//www.getgobooth.com/ 必威体育下载 daily 15 2024-08-20 10:33:36 apsoffice@iphy.ac.cn apsoffice@iphy.ac.cn 2024-08-20 10:33:36 zh Copyright ©Acta Physica Sinica All Rights Reserved. 京ICP备05002789号-1 Address: PostCode：100190 Phone: 010-82649829，82649241,82649863 Email: apsoffice@iphy.ac.cn Copyright ©Acta Physica Sinica All Rights Reserved apsoffice@iphy.ac.cn 1000-3290 //www.getgobooth.com/en/article/doi/10.7498/aps.49.1 Author(s): Cheng Yuan－Fa, Cao Wan－Qiang <br/><p>Using vibrator model of the two－component soliton　 we investigate the motion of a kink pair consisting of kinks in different sublattices in the presence of exte rnal force and damping in hydrogen bonded molecular systems. The influence on th e mobility of the kink pair due to the motion of heavy ion and the nucleation ra te of the kink pair are discussed. We give the mobility and mean nucleation rate of a kink pair.</p> <br/>Acta Physica Sinica. 2000 49(1): 1-4. Published 2000-01-20 Author(s): Cheng Yuan－Fa, Cao Wan－Qiang <br/><p>Using vibrator model of the two－component soliton　 we investigate the motion of a kink pair consisting of kinks in different sublattices in the presence of exte rnal force and damping in hydrogen bonded molecular systems. The influence on th e mobility of the kink pair due to the motion of heavy ion and the nucleation ra te of the kink pair are discussed. We give the mobility and mean nucleation rate of a kink pair.</p> <br/>Acta Physica Sinica. 2000 49(1): 1-4. Published 2000-01-20 Properties of the Kink Pair in the Presence of External Force and Dam ping in Hydrogen Bonded Molecular Systems Cheng Yuan－Fa, Cao Wan－Qiang 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 1-4. article doi:10.7498/aps.49.1 10.7498/aps.49.1 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.1 1-4 //www.getgobooth.com/en/article/doi/10.7498/aps.49.5 Author(s): Chen Yong－qing <br/><p>Using inhomogeneous boson－ferimon realization the indecomposable and irreducibl e representations of the SPL(2　1) are studied on subspace and quotient spaces of the universal enveloping algebra of Heisenberg－weyl superalgebra.All the finit e dimensional irreducible representations of the SPL(2　1) are given.</p> <br/>Acta Physica Sinica. 2000 49(1): 5-10. Published 2000-01-20 Author(s): Chen Yong－qing <br/><p>Using inhomogeneous boson－ferimon realization the indecomposable and irreducibl e representations of the SPL(2　1) are studied on subspace and quotient spaces of the universal enveloping algebra of Heisenberg－weyl superalgebra.All the finit e dimensional irreducible representations of the SPL(2　1) are given.</p> <br/>Acta Physica Sinica. 2000 49(1): 5-10. Published 2000-01-20 Indecomposable and Irreducible Representations of the SPL(2,1) Superal gebra Chen Yong－qing 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 5-10. article doi:10.7498/aps.49.5 10.7498/aps.49.5 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.5 5-10 //www.getgobooth.com/en/article/doi/10.7498/aps.49.11 Author(s): Li Zhi－jian, Cheng Jian－gang, Liang Jiu－qing <br/><p>In this paper　we investigate the time evolution of a time－dependent oscillator in finite－dimensional Hilbert space. By performing appropriate time－dependent gauge transformation　closed formulas for the time evolution of quantum states an d Berry phases are obtained. Finally we discuss the influence of the driving te rm in the Hamiltonian on the squeezed feature of coherent states.</p> <br/>Acta Physica Sinica. 2000 49(1): 11-16. Published 2000-01-20 Author(s): Li Zhi－jian, Cheng Jian－gang, Liang Jiu－qing <br/><p>In this paper　we investigate the time evolution of a time－dependent oscillator in finite－dimensional Hilbert space. By performing appropriate time－dependent gauge transformation　closed formulas for the time evolution of quantum states an d Berry phases are obtained. Finally we discuss the influence of the driving te rm in the Hamiltonian on the squeezed feature of coherent states.</p> <br/>Acta Physica Sinica. 2000 49(1): 11-16. Published 2000-01-20 Time Evolution and Berry Phases of a Time－Dependent Oscillator in Fin ite－Dimensional Hilbert Space Li Zhi－jian, Cheng Jian－gang, Liang Jiu－qing 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 11-16. article doi:10.7498/aps.49.11 10.7498/aps.49.11 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.11 11-16 //www.getgobooth.com/en/article/doi/10.7498/aps.49.17 Author(s): Xu Xiu－wei, Zhao Ji－de, Ren Ting－Qi <br/><p>Utilizing the normal and antinomal product representative of exponential quadrat ic operator　in multi－dimensional phase space we give the exact expressions of matrix element for arbitrary exponential quadratic operator. Thus we derive the partition function and wave function of the system of quadratic Hamiltonian with out the knowledge of energy spectrum and eigenfunctions.</p> <br/>Acta Physica Sinica. 2000 49(1): 17-19. Published 2000-01-20 Author(s): Xu Xiu－wei, Zhao Ji－de, Ren Ting－Qi <br/><p>Utilizing the normal and antinomal product representative of exponential quadrat ic operator　in multi－dimensional phase space we give the exact expressions of matrix element for arbitrary exponential quadratic operator. Thus we derive the partition function and wave function of the system of quadratic Hamiltonian with out the knowledge of energy spectrum and eigenfunctions.</p> <br/>Acta Physica Sinica. 2000 49(1): 17-19. Published 2000-01-20 Matrix Elements of Arbitrary Exponential Quadratic Operator in Multi－ Dimensional Phase Space Xu Xiu－wei, Zhao Ji－de, Ren Ting－Qi 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 17-19. article doi:10.7498/aps.49.17 10.7498/aps.49.17 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.17 17-19 //www.getgobooth.com/en/article/doi/10.7498/aps.49.20 Author(s): Liu Jian－bo, Ye Chun－fei, Zhang Shu－jing <br/><p>In this paper a new method of synchronization of strange nonchaotic systems is proposed. Strange nonchaotic attractors are obtained from a chaotic system.driven by another chao tic system. Because the Lyapunov exponent of the strange nonchaotic attractor is negative it can sup presses the sensitive dependence on initial conditions of the chaotic system. In order to synchronize the strange nonchaotic system-contraction map is used to synchronize the chaotic driving system. Simul ations indicate that this method can synchronize fast　be robust to nose-easily be implemented and c an be used in the field of chaotic secure communication. </p> <br/>Acta Physica Sinica. 2000 49(1): 20-23. Published 2000-01-20 Author(s): Liu Jian－bo, Ye Chun－fei, Zhang Shu－jing <br/><p>In this paper a new method of synchronization of strange nonchaotic systems is proposed. Strange nonchaotic attractors are obtained from a chaotic system.driven by another chao tic system. Because the Lyapunov exponent of the strange nonchaotic attractor is negative it can sup presses the sensitive dependence on initial conditions of the chaotic system. In order to synchronize the strange nonchaotic system-contraction map is used to synchronize the chaotic driving system. Simul ations indicate that this method can synchronize fast　be robust to nose-easily be implemented and c an be used in the field of chaotic secure communication. </p> <br/>Acta Physica Sinica. 2000 49(1): 20-23. Published 2000-01-20 The Synchronization of Strange Nonchaotic Systems Based on Contraction Maps Liu Jian－bo, Ye Chun－fei, Zhang Shu－jing 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 20-23. article doi:10.7498/aps.49.20 10.7498/aps.49.20 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.20 20-23 //www.getgobooth.com/en/article/doi/10.7498/aps.49.24 Author(s): Shi Peng－liang, Hu Gang, Xu Li－mei <br/><p>Based on the investigation of the largest Lyapunov exponent of coupled map latti ce systems　 it is found that in the parameter region of chaos　 if the system is large enough and the coupling coefficient is neither too small nor too large　 th e largest Lyapunov exponent of the system has a plateau which does not vary wit h the size and the coupling coefficient. The physical meaning of this flat pla teau is discussed.</p> <br/>Acta Physica Sinica. 2000 49(1): 24-29. Published 2000-01-20 Author(s): Shi Peng－liang, Hu Gang, Xu Li－mei <br/><p>Based on the investigation of the largest Lyapunov exponent of coupled map latti ce systems　 it is found that in the parameter region of chaos　 if the system is large enough and the coupling coefficient is neither too small nor too large　 th e largest Lyapunov exponent of the system has a plateau which does not vary wit h the size and the coupling coefficient. The physical meaning of this flat pla teau is discussed.</p> <br/>Acta Physica Sinica. 2000 49(1): 24-29. Published 2000-01-20 The Largest Lyapunov Exponent of Coupled Map Lattice Systems 　  Shi Peng－liang, Hu Gang, Xu Li－mei 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 24-29. article doi:10.7498/aps.49.24 10.7498/aps.49.24 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.24 24-29 //www.getgobooth.com/en/article/doi/10.7498/aps.49.30 Author(s): Tang Guo－ning, Luo Xiao－shu, Kon g Ling－jiang <br/><p>This paper investigates the methods for controlling chaos in the Lorenz system with nonlinear feedback functions. Feedback functions and results of controlling-chaos are presented through theoretical analysis. The results of theory and num erical calculations indicate that the trajectories of a chaotic system can be co ntrolled to approach the target periodic orbits or points by feedback functions.</p> <br/>Acta Physica Sinica. 2000 49(1): 30-32. Published 2000-01-20 Author(s): Tang Guo－ning, Luo Xiao－shu, Kon g Ling－jiang <br/><p>This paper investigates the methods for controlling chaos in the Lorenz system with nonlinear feedback functions. Feedback functions and results of controlling-chaos are presented through theoretical analysis. The results of theory and num erical calculations indicate that the trajectories of a chaotic system can be co ntrolled to approach the target periodic orbits or points by feedback functions.</p> <br/>Acta Physica Sinica. 2000 49(1): 30-32. Published 2000-01-20 Control of Chaotic Lorenz System to Approach any Desired Targets With Feedback Functions Tang Guo－ning, Luo Xiao－shu, Kon g Ling－jiang 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 30-32. article doi:10.7498/aps.49.30 10.7498/aps.49.30 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.30 30-32 //www.getgobooth.com/en/article/doi/10.7498/aps.49.33 Author(s): Yang Lin－bao, Yang Tao <br/><p>In this paper-the practical stability of impulsive synchronization between two-nonautonomous chaotic systems is studied. This practical stability is equivalent to that of the origin of the synchronization error system. We present the crite ria for the practical stability of the origin of the synchronization error syste m based on the theory of impulsive differential equation. We also provide the theoretical results on the range of synchronization errors. Numerical experimental-results are given to compare with theoretical results.</p> <br/>Acta Physica Sinica. 2000 49(1): 33-37. Published 2000-01-20 Author(s): Yang Lin－bao, Yang Tao <br/><p>In this paper-the practical stability of impulsive synchronization between two-nonautonomous chaotic systems is studied. This practical stability is equivalent to that of the origin of the synchronization error system. We present the crite ria for the practical stability of the origin of the synchronization error syste m based on the theory of impulsive differential equation. We also provide the theoretical results on the range of synchronization errors. Numerical experimental-results are given to compare with theoretical results.</p> <br/>Acta Physica Sinica. 2000 49(1): 33-37. Published 2000-01-20 Impulsive Synchronization of Nonautonomous Chaotic Systems　 Yang Lin－bao, Yang Tao 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 33-37. article doi:10.7498/aps.49.33 10.7498/aps.49.33 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.33 33-37 //www.getgobooth.com/en/article/doi/10.7498/aps.49.38 Author(s): Han Bing, Yang Guo－chen <br/><p>The liquid cell theory can be successfully applied to cholesteric liquid crystals. Using the statistical methods and defining an order parameter tensor　 we ded uce the distribution function and the Helmholtz free energy　 which is the functi on of the order parameter tensor and its derivatives. The expression of the free e nergy we obtain has the same form with of the Landau theory. In a local coordina te system　the long－range orientational parameter Sand the phase－induced biaxiality order parameter are defined. By minimizing the Hemholtz free energy　 we numerically calculate the temperature dependence of Sand .The r esults agree with the experiment.</p> <br/>Acta Physica Sinica. 2000 49(1): 38-44. Published 2000-01-20 Author(s): Han Bing, Yang Guo－chen <br/><p>The liquid cell theory can be successfully applied to cholesteric liquid crystals. Using the statistical methods and defining an order parameter tensor　 we ded uce the distribution function and the Helmholtz free energy　 which is the functi on of the order parameter tensor and its derivatives. The expression of the free e nergy we obtain has the same form with of the Landau theory. In a local coordina te system　the long－range orientational parameter Sand the phase－induced biaxiality order parameter are defined. By minimizing the Hemholtz free energy　 we numerically calculate the temperature dependence of Sand .The r esults agree with the experiment.</p> <br/>Acta Physica Sinica. 2000 49(1): 38-44. Published 2000-01-20 Phase－Induced Biaxiality in Cholesteric Liquid Crystals Han Bing, Yang Guo－chen 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 38-44. article doi:10.7498/aps.49.38 10.7498/aps.49.38 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.38 38-44 //www.getgobooth.com/en/article/doi/10.7498/aps.49.45 Author(s): Wang Li, Li Hui, Bian Xiu－fang, Sun Min－hua, Liu Xiang－fa, Liu Hong－bo, Chen Kui－ying <br/><p>The molecular dynamics simulations have been performed on microstructure and tra n sfer mechanism of liquid Al. The pair distributed function has been attained at different temperatures and cooling rates by means of tight－binding potential. T he proportions of small atom groups of different types have been analyzed by ado pting bond pair index method. The result indicates that if the cooling rate is l ow　 crystals will be formed　otherwise　amorphism will occur under relatively hi gh cooling rate. When the liquid Al forms crystal　the bond pairs 1421　1422 play an important role　 while the pairs 1551　1541 have the close connection with the formation of amorphism.</p> <br/>Acta Physica Sinica. 2000 49(1): 45-48. Published 2000-01-20 Author(s): Wang Li, Li Hui, Bian Xiu－fang, Sun Min－hua, Liu Xiang－fa, Liu Hong－bo, Chen Kui－ying <br/><p>The molecular dynamics simulations have been performed on microstructure and tra n sfer mechanism of liquid Al. The pair distributed function has been attained at different temperatures and cooling rates by means of tight－binding potential. T he proportions of small atom groups of different types have been analyzed by ado pting bond pair index method. The result indicates that if the cooling rate is l ow　 crystals will be formed　otherwise　amorphism will occur under relatively hi gh cooling rate. When the liquid Al forms crystal　the bond pairs 1421　1422 play an important role　 while the pairs 1551　1541 have the close connection with the formation of amorphism.</p> <br/>Acta Physica Sinica. 2000 49(1): 45-48. Published 2000-01-20 Study on Microstructure Evolution and Liquid－Solid Correlation of Pur e Aluminum Melts　 Wang Li, Li Hui, Bian Xiu－fang, Sun Min－hua, Liu Xiang－fa, Liu Hong－bo, Chen Kui－ying 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 45-48. article doi:10.7498/aps.49.45 10.7498/aps.49.45 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.45 45-48 //www.getgobooth.com/en/article/doi/10.7498/aps.49.49 Author(s): Xiong Jun－jiang, Gao Zhen－tong, Liu Xian－bin, Sun Xun－fang <br/><p>By virtue of the stochastic bifurcation theory　the transition of the atom moveme nt at a crack tip in fatigue damage system is investigated.Using the singular po int theory of one－dimensional diffusion process and the stochastic averaging ap proach of energy envelope　a micro－model to describe the atom movement at the cr ack tip in homoclinic bifurcation fatigue damage system　which is in the presence of stochastic perturbation　is established.After the study on the characteristic of the diffusion exponent　the drift exponent and the character exponent of the fatigue damage diffusion process on singular boundary　the bifurcation behavior o f a homoclinic bifurcation fatigue damage system　which is in the presence of par ametric white noise　is examined.</p> <br/>Acta Physica Sinica. 2000 49(1): 49-53. Published 2000-01-20 Author(s): Xiong Jun－jiang, Gao Zhen－tong, Liu Xian－bin, Sun Xun－fang <br/><p>By virtue of the stochastic bifurcation theory　the transition of the atom moveme nt at a crack tip in fatigue damage system is investigated.Using the singular po int theory of one－dimensional diffusion process and the stochastic averaging ap proach of energy envelope　a micro－model to describe the atom movement at the cr ack tip in homoclinic bifurcation fatigue damage system　which is in the presence of stochastic perturbation　is established.After the study on the characteristic of the diffusion exponent　the drift exponent and the character exponent of the fatigue damage diffusion process on singular boundary　the bifurcation behavior o f a homoclinic bifurcation fatigue damage system　which is in the presence of par ametric white noise　is examined.</p> <br/>Acta Physica Sinica. 2000 49(1): 49-53. Published 2000-01-20 On Stochastic Bifurcation Behavior of the Atom Movement at the Tip of a Crack in Fatigue Damage System Xiong Jun－jiang, Gao Zhen－tong, Liu Xian－bin, Sun Xun－fang 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 49-53. article doi:10.7498/aps.49.49 10.7498/aps.49.49 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.49 49-53 //www.getgobooth.com/en/article/doi/10.7498/aps.49.54 Author(s): Luo Cheng－lin, Zhou Yan－huai, Zhang Yi <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 54-56. Published 2000-01-20 Author(s): Luo Cheng－lin, Zhou Yan－huai, Zhang Yi <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 54-56. Published 2000-01-20 Structure Simulation of Nickel Clusters by Transferable Tight－Binding Potential Luo Cheng－lin, Zhou Yan－huai, Zhang Yi 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 54-56. article doi:10.7498/aps.49.54 10.7498/aps.49.54 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.54 54-56 //www.getgobooth.com/en/article/doi/10.7498/aps.49.57 Author(s): Han Yi－ping, Wu Zhen－sen <br/><p>Theoretical expression of the boundary condition for electromagnetic scattering by spheroidal particles is given by virtue of the method presented by Shoji Asan o and Giichi Yamamoto.The incorrect coefficients of expansions given by Shojis has been corrected.</p> <br/>Acta Physica Sinica. 2000 49(1): 57-60. Published 2000-01-20 Author(s): Han Yi－ping, Wu Zhen－sen <br/><p>Theoretical expression of the boundary condition for electromagnetic scattering by spheroidal particles is given by virtue of the method presented by Shoji Asan o and Giichi Yamamoto.The incorrect coefficients of expansions given by Shojis has been corrected.</p> <br/>Acta Physica Sinica. 2000 49(1): 57-60. Published 2000-01-20 Discussion of the Boundary Condition For Electromagnetic Scattering b y Spheroidal Particles Han Yi－ping, Wu Zhen－sen 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 57-60. article doi:10.7498/aps.49.57 10.7498/aps.49.57 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.57 57-60 //www.getgobooth.com/en/article/doi/10.7498/aps.49.61 Author(s): Cao Nian－wen, Liu Wen－qing, Zhang Yu－jun <br/><p>The relation between the polarization technique and the enhance for the image contrast and the imaging range has been reported in this paper.The equati on expressing the image contrast and the imaging range is calculated and the exp erimental data is acquired.The experimental data agree with the calculated resu lt.It is shown quantitatively that the polarization technique improves the image contrast and imaging range greatly.</p> <br/>Acta Physica Sinica. 2000 49(1): 61-66. Published 2000-01-20 Author(s): Cao Nian－wen, Liu Wen－qing, Zhang Yu－jun <br/><p>The relation between the polarization technique and the enhance for the image contrast and the imaging range has been reported in this paper.The equati on expressing the image contrast and the imaging range is calculated and the exp erimental data is acquired.The experimental data agree with the calculated resu lt.It is shown quantitatively that the polarization technique improves the image contrast and imaging range greatly.</p> <br/>Acta Physica Sinica. 2000 49(1): 61-66. Published 2000-01-20 Quantitative Study of Improvements of the Imaging Contrast and Imaging Range by the Polarization Technique Cao Nian－wen, Liu Wen－qing, Zhang Yu－jun 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 61-66. article doi:10.7498/aps.49.61 10.7498/aps.49.61 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.61 61-66 //www.getgobooth.com/en/article/doi/10.7498/aps.49.67 Author(s): Tian Yong－hong, Peng Jin－sheng <br/><p>The dynamic behavior of atoms and nonclassical properties of the two－mode field in the system of nondegenerate two－photon interacting of SU(2) coherents tates with two atoms are studied. Influences of the total photon number　the par tition parameter and the dipole－dipole interaction on the atomic dynamic behav ior and the quantum statistics properties of the two－mode field are discussed.</p> <br/>Acta Physica Sinica. 2000 49(1): 67-73. Published 2000-01-20 Author(s): Tian Yong－hong, Peng Jin－sheng <br/><p>The dynamic behavior of atoms and nonclassical properties of the two－mode field in the system of nondegenerate two－photon interacting of SU(2) coherents tates with two atoms are studied. Influences of the total photon number　the par tition parameter and the dipole－dipole interaction on the atomic dynamic behav ior and the quantum statistics properties of the two－mode field are discussed.</p> <br/>Acta Physica Sinica. 2000 49(1): 67-73. Published 2000-01-20 Dynamics of Two－Mode SU(2) Coherent States Interacting With Two C onpled Atoms Tian Yong－hong, Peng Jin－sheng 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 67-73. article doi:10.7498/aps.49.67 10.7498/aps.49.67 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.67 67-73 //www.getgobooth.com/en/article/doi/10.7498/aps.49.74 Author(s): Sun Zhi－hu, Fan Hong－yi <br/><p>We introduce the states D(z)a\+\{+\+m\}S(r)|0〉 and examine their properties . Such states are checked to be complete vectors via the IWOP (Integration W ithin an Ordered Product of operators) technique. We find larger－scale macrosco pic oscillations of photon distribution after the squeezed vacuum states being e xcited and displaced. On contrary to the bunching photons of the squeezed vacuum states　 as the displacing parameter |z| and the excitation number m are both small　 photons coherence can exhibit antibunching effect. The quasi－proba bility distribution functions (Husimi Q( 　醆+*) function and Wigner W(q　 p) function) are derived and their dependences on the three parameters (z　m　 r) are discussed. The Wigner function obviously displays their nonclassical fe ature.</p> <br/>Acta Physica Sinica. 2000 49(1): 74-79. Published 2000-01-20 Author(s): Sun Zhi－hu, Fan Hong－yi <br/><p>We introduce the states D(z)a\+\{+\+m\}S(r)|0〉 and examine their properties . Such states are checked to be complete vectors via the IWOP (Integration W ithin an Ordered Product of operators) technique. We find larger－scale macrosco pic oscillations of photon distribution after the squeezed vacuum states being e xcited and displaced. On contrary to the bunching photons of the squeezed vacuum states　 as the displacing parameter |z| and the excitation number m are both small　 photons coherence can exhibit antibunching effect. The quasi－proba bility distribution functions (Husimi Q( 　醆+*) function and Wigner W(q　 p) function) are derived and their dependences on the three parameters (z　m　 r) are discussed. The Wigner function obviously displays their nonclassical fe ature.</p> <br/>Acta Physica Sinica. 2000 49(1): 74-79. Published 2000-01-20 Displaced Excited Squeezed Vacuum States and Their Propertities Sun Zhi－hu, Fan Hong－yi 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 74-79. article doi:10.7498/aps.49.74 10.7498/aps.49.74 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.74 74-79 //www.getgobooth.com/en/article/doi/10.7498/aps.49.80 Author(s): Zhang Kuan－shou, Zhang Jing, Xie Chang－de, Peng Kun－chi <br/><p>Considering the noise characteristics of the pump source　the noise spectra of ou tput harmonic field from the singly resonant frequency doubler is derived by mea ns of the motion equations for SHG.The intensity noise squeezing of 20% has been measured from the stable SH wave output.(It is in accordence with the squeezing of 30% if the efficiency of detection system is taken into account).The maximum squeezing measured experimentally is in agreement with the theoretical predicti ons.</p> <br/>Acta Physica Sinica. 2000 49(1): 80-84. Published 2000-01-20 Author(s): Zhang Kuan－shou, Zhang Jing, Xie Chang－de, Peng Kun－chi <br/><p>Considering the noise characteristics of the pump source　the noise spectra of ou tput harmonic field from the singly resonant frequency doubler is derived by mea ns of the motion equations for SHG.The intensity noise squeezing of 20% has been measured from the stable SH wave output.(It is in accordence with the squeezing of 30% if the efficiency of detection system is taken into account).The maximum squeezing measured experimentally is in agreement with the theoretical predicti ons.</p> <br/>Acta Physica Sinica. 2000 49(1): 80-84. Published 2000-01-20 Experimental Research on Generation of Intensity Squeezed Light at 532 ?nm by SHG Zhang Kuan－shou, Zhang Jing, Xie Chang－de, Peng Kun－chi 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 80-84. article doi:10.7498/aps.49.80 10.7498/aps.49.80 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.80 80-84 //www.getgobooth.com/en/article/doi/10.7498/aps.49.85 Author(s): Wang Xiao－hui, Chen Xu－zong, Hou Ji－dong, Yang Dong－hai, Wang Yi－qiu <br/><p>The high power semiconductor lasers were side－mode injection locked with freque ncy difference 1300?GHz with respect to its free working frequency using inject ion locking technique.The transfer of coherent characteristic between the master laser and slave laser was studied experimentally in detail by using saturated a bsorption spectra and optical heterodyne technique.The relation of locking bandw idth versus the ratio of injection power and the mode building process of inject ion locking were measured　and the experimental locking bandwidth agreed with the side－mode locking bandwidth obtained by multi－mode rate equation followed by injection term.The threshold injection light power for realizing side－mode inje ction locking was calculated theortically and tested by experiment.</p> <br/>Acta Physica Sinica. 2000 49(1): 85-93. Published 2000-01-20 Author(s): Wang Xiao－hui, Chen Xu－zong, Hou Ji－dong, Yang Dong－hai, Wang Yi－qiu <br/><p>The high power semiconductor lasers were side－mode injection locked with freque ncy difference 1300?GHz with respect to its free working frequency using inject ion locking technique.The transfer of coherent characteristic between the master laser and slave laser was studied experimentally in detail by using saturated a bsorption spectra and optical heterodyne technique.The relation of locking bandw idth versus the ratio of injection power and the mode building process of inject ion locking were measured　and the experimental locking bandwidth agreed with the side－mode locking bandwidth obtained by multi－mode rate equation followed by injection term.The threshold injection light power for realizing side－mode inje ction locking was calculated theortically and tested by experiment.</p> <br/>Acta Physica Sinica. 2000 49(1): 85-93. Published 2000-01-20 Theoretic and Experimental Study on Large－Frequency－Difference Side －Mode Injection Locking of High Power Semiconductor Lasers for Laser Cooling　 Wang Xiao－hui, Chen Xu－zong, Hou Ji－dong, Yang Dong－hai, Wang Yi－qiu 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 85-93. article doi:10.7498/aps.49.85 10.7498/aps.49.85 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.85 85-93 //www.getgobooth.com/en/article/doi/10.7498/aps.49.94 Author(s): Jiang Shao－en, Zheng Zhi－jian, Li Wen－hong, Ding Yao－nan, Sun Ke－xu, Liu Yong－gang, Jiang Xiao－hua <br/><p>CH foam material is filled in the cavities in order to improve planar degree of shock wave driven by X－ray radiation.Wedge－shaped aluminum samples are used to measure time－space streaking images of optical signals from the shock wave.And then the velocity and pressure of the shock wave is obtained.The radiation temp erature is obtained by using the scaled relations between veloctiy of shock wave and radiation temperature.</p> <br/>Acta Physica Sinica. 2000 49(1): 94-97. Published 2000-01-20 Author(s): Jiang Shao－en, Zheng Zhi－jian, Li Wen－hong, Ding Yao－nan, Sun Ke－xu, Liu Yong－gang, Jiang Xiao－hua <br/><p>CH foam material is filled in the cavities in order to improve planar degree of shock wave driven by X－ray radiation.Wedge－shaped aluminum samples are used to measure time－space streaking images of optical signals from the shock wave.And then the velocity and pressure of the shock wave is obtained.The radiation temp erature is obtained by using the scaled relations between veloctiy of shock wave and radiation temperature.</p> <br/>Acta Physica Sinica. 2000 49(1): 94-97. Published 2000-01-20 Measurement and Analysis on Shock Wave Driven by X－ray Radiation Jiang Shao－en, Zheng Zhi－jian, Li Wen－hong, Ding Yao－nan, Sun Ke－xu, Liu Yong－gang, Jiang Xiao－hua 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 94-97. article doi:10.7498/aps.49.94 10.7498/aps.49.94 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.94 94-97 //www.getgobooth.com/en/article/doi/10.7498/aps.49.98 Author(s): Sun Ke－xu, Jiang Shao－en, Huang Tian－xuan, Yi Rong－ qing, Cui Yan－li, Wang Hong－bin, Chen Jiu－sen, Yu Rui－zhen, Ding Yao－nan, Ding Yong－kun, Tang Dao－yuan, Wen Shu－huai <br/><p>The method of filter difference　which is used to measure X－ray spectrum radiate d from laser－produced plasma　has been studied in this paper.The basic principle of the method of filter difference is introduced and the calculated and measure d results of filter difference pair are given.The absolute soft X－ray spectra f rom laser plasma have been measured.Finally　the errors of measured spectrum inte nsity are analysed and estimated.</p> <br/>Acta Physica Sinica. 2000 49(1): 98-101. Published 2000-01-20 Author(s): Sun Ke－xu, Jiang Shao－en, Huang Tian－xuan, Yi Rong－ qing, Cui Yan－li, Wang Hong－bin, Chen Jiu－sen, Yu Rui－zhen, Ding Yao－nan, Ding Yong－kun, Tang Dao－yuan, Wen Shu－huai <br/><p>The method of filter difference　which is used to measure X－ray spectrum radiate d from laser－produced plasma　has been studied in this paper.The basic principle of the method of filter difference is introduced and the calculated and measure d results of filter difference pair are given.The absolute soft X－ray spectra f rom laser plasma have been measured.Finally　the errors of measured spectrum inte nsity are analysed and estimated.</p> <br/>Acta Physica Sinica. 2000 49(1): 98-101. Published 2000-01-20 Measurment of Soft X－ray Spectrum by Filter Difference Method Sun Ke－xu, Jiang Shao－en, Huang Tian－xuan, Yi Rong－ qing, Cui Yan－li, Wang Hong－bin, Chen Jiu－sen, Yu Rui－zhen, Ding Yao－nan, Ding Yong－kun, Tang Dao－yuan, Wen Shu－huai 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 98-101. article doi:10.7498/aps.49.98 10.7498/aps.49.98 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.98 98-101 //www.getgobooth.com/en/article/doi/10.7498/aps.49.102 Author(s): Hu Xi－d uo, Lin De－ming, Lin Guang－ming, Zheng Guo－zhen <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 102-105. Published 2000-01-20 Author(s): Hu Xi－d uo, Lin De－ming, Lin Guang－ming, Zheng Guo－zhen <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 102-105. Published 2000-01-20 Structural Relaxation of Grain－Boundary Amorphous Layers on Nanocryst alline FeS iNbCuB Alloy and the Oscillating Behavior of Young's Modulus　 Hu Xi－d uo, Lin De－ming, Lin Guang－ming, Zheng Guo－zhen 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 102-105. article doi:10.7498/aps.49.102 10.7498/aps.49.102 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.102 102-105 //www.getgobooth.com/en/article/doi/10.7498/aps.49.106 Author(s): Liu Jian－ke, Zhang Hai－ning, Ma Yi <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 106-109. Published 2000-01-20 Author(s): Liu Jian－ke, Zhang Hai－ning, Ma Yi <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 106-109. Published 2000-01-20 Research on the Detection of Weak Signals in Strong Noise Liu Jian－ke, Zhang Hai－ning, Ma Yi 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 106-109. article doi:10.7498/aps.49.106 10.7498/aps.49.106 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.106 106-109 //www.getgobooth.com/en/article/doi/10.7498/aps.49.110 Author(s): Kong Xiang－gui, Xu Wu, Chen Bao－jiu, Huang Shi－hua, Fan Xi－wu <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 110-113. Published 2000-01-20 Author(s): Kong Xiang－gui, Xu Wu, Chen Bao－jiu, Huang Shi－hua, Fan Xi－wu <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 110-113. Published 2000-01-20 Interactions Between Tungstate Microcrystal in Glass Ceramics of Red Light Upconversion and Water Kong Xiang－gui, Xu Wu, Chen Bao－jiu, Huang Shi－hua, Fan Xi－wu 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 110-113. article doi:10.7498/aps.49.110 10.7498/aps.49.110 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.110 110-113 //www.getgobooth.com/en/article/doi/10.7498/aps.49.114 Author(s): Wang Fan－ hou, Yang Chuan－lu, Li Xi－jun, Jing Fu－qian <br/><p>Because of the fundamental nature of condensed rare gases　their potentials and e quations of state have been studied extensively in recent years.In the present w ork　based on ab initio calculations on many－body interactions　the MSVⅢ potenti al proposed by Parson et al.for argon system has been modified　and the molec ula r dynamics method is employed to calculate the Hugoniot curve for liquid argon s ystem.Comparisons are performed between theoretical Hugoniot curve and the exper imental measurements.This demonstrates that the coincidence degree between the t heoretical and the experimental results is significantly improved.</p> <br/>Acta Physica Sinica. 2000 49(1): 114-118. Published 2000-01-20 Author(s): Wang Fan－ hou, Yang Chuan－lu, Li Xi－jun, Jing Fu－qian <br/><p>Because of the fundamental nature of condensed rare gases　their potentials and e quations of state have been studied extensively in recent years.In the present w ork　based on ab initio calculations on many－body interactions　the MSVⅢ potenti al proposed by Parson et al.for argon system has been modified　and the molec ula r dynamics method is employed to calculate the Hugoniot curve for liquid argon s ystem.Comparisons are performed between theoretical Hugoniot curve and the exper imental measurements.This demonstrates that the coincidence degree between the t heoretical and the experimental results is significantly improved.</p> <br/>Acta Physica Sinica. 2000 49(1): 114-118. Published 2000-01-20 Studies on Many－Body Interactions and Molecular Dynamics Simulations for the Hugoniot Curves of Liquid Argon Wang Fan－ hou, Yang Chuan－lu, Li Xi－jun, Jing Fu－qian 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 114-118. article doi:10.7498/aps.49.114 10.7498/aps.49.114 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.114 114-118 //www.getgobooth.com/en/article/doi/10.7498/aps.49.119 Author(s): Ding Guo－qing <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 119-123. Published 2000-01-20 Author(s): Ding Guo－qing <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 119-123. Published 2000-01-20 The Test Determination for the Most Narrow Band－GaP of InGaAsP/InGaA s/InP Heterostructure Bulk Materials Ding Guo－qing 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 119-123. article doi:10.7498/aps.49.119 10.7498/aps.49.119 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.119 119-123 //www.getgobooth.com/en/article/doi/10.7498/aps.49.124 Author(s): Li Guang, Jiang Yong, Sun Xia, Tang Pang, Huang Zhen, Wang Sheng, Yuan Song－liu <br/><p>The time dependence of resistance under certain magnetic fields in liquid－heliu m temperature regime for single－phase polycrystalline La2/3Ca1/3Mn1-xCuxO-3(x=0.15) have been experimentally studied.It was found that the behavior does not observe the logarithm lawR∝ln t but p resents an exponent－decaying dependence instead.A possible origin for this expo nent－decaying resistance relaxation was discussed in the paper.It was pointed out that the behavior is related to magnetic impurities that are introduced into the system by Cu－doping on Mn sites.</p> <br/>Acta Physica Sinica. 2000 49(1): 124-127. Published 2000-01-20 Author(s): Li Guang, Jiang Yong, Sun Xia, Tang Pang, Huang Zhen, Wang Sheng, Yuan Song－liu <br/><p>The time dependence of resistance under certain magnetic fields in liquid－heliu m temperature regime for single－phase polycrystalline La2/3Ca1/3Mn1-xCuxO-3(x=0.15) have been experimentally studied.It was found that the behavior does not observe the logarithm lawR∝ln t but p resents an exponent－decaying dependence instead.A possible origin for this expo nent－decaying resistance relaxation was discussed in the paper.It was pointed out that the behavior is related to magnetic impurities that are introduced into the system by Cu－doping on Mn sites.</p> <br/>Acta Physica Sinica. 2000 49(1): 124-127. Published 2000-01-20 Magnetoresistance Relaxation Effect for La2/3Ca1/3Mn1- xCuxO3(x=0.15) System in Liquid－Helium Temperature Regime Li Guang, Jiang Yong, Sun Xia, Tang Pang, Huang Zhen, Wang Sheng, Yuan Song－liu 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 124-127. article doi:10.7498/aps.49.124 10.7498/aps.49.124 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.124 124-127 //www.getgobooth.com/en/article/doi/10.7498/aps.49.128 Author(s): Xu Qing－yu, Ni Gang, Gu Kun－ming, Sang Hai, Chen Hao, Lu Jun, Du You－wei <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 128-131. Published 2000-01-20 Author(s): Xu Qing－yu, Ni Gang, Gu Kun－ming, Sang Hai, Chen Hao, Lu Jun, Du You－wei <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 128-131. Published 2000-01-20 Giant Magnetoresistance of Co－SiO2 Nano－Granular Films　　 　　　　 Xu Qing－yu, Ni Gang, Gu Kun－ming, Sang Hai, Chen Hao, Lu Jun, Du You－wei 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 128-131. article doi:10.7498/aps.49.128 10.7498/aps.49.128 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.128 128-131 //www.getgobooth.com/en/article/doi/10.7498/aps.49.132 Author(s): Li Yi, Yi Xin－jian, Cai Li－ping <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 132-136. Published 2000-01-20 Author(s): Li Yi, Yi Xin－jian, Cai Li－ping <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 132-136. Published 2000-01-20 Study on the Oxidative Characterization of Lpe HgCdTe Film Surface by XPS　 Li Yi, Yi Xin－jian, Cai Li－ping 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 132-136. article doi:10.7498/aps.49.132 10.7498/aps.49.132 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.132 132-136 //www.getgobooth.com/en/article/doi/10.7498/aps.49.137 Author(s): Li Dan－zhi <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 137-141. Published 2000-01-20 Author(s): Li Dan－zhi <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 137-141. Published 2000-01-20 Universal Equation of Photovoltage and Transverse Photovoltage Effect Li Dan－zhi 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 137-141. article doi:10.7498/aps.49.137 10.7498/aps.49.137 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.137 137-141 //www.getgobooth.com/en/article/doi/10.7498/aps.49.142 Author(s): Zhang Fa－pei, Guo Hong－zhi, Xu Peng－shou, Zhu Chuan－gang, Lu Er－dong, Zhang Xin－yi, Liang Ren－you <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 142-145. Published 2000-01-20 Author(s): Zhang Fa－pei, Guo Hong－zhi, Xu Peng－shou, Zhu Chuan－gang, Lu Er－dong, Zhang Xin－yi, Liang Ren－you <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 142-145. Published 2000-01-20 Interface Formation Between Co With S－Passivated GaAs(100)　　 　　　　 Zhang Fa－pei, Guo Hong－zhi, Xu Peng－shou, Zhu Chuan－gang, Lu Er－dong, Zhang Xin－yi, Liang Ren－you 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 142-145. article doi:10.7498/aps.49.142 10.7498/aps.49.142 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.142 142-145 //www.getgobooth.com/en/article/doi/10.7498/aps.49.146 Author(s): Feng Yong, Zhou Lian, Yang Wan－min, Zhang Cui－ping, Wang Jing－rong, Yu Ze－ming, Wu Xiao－zu <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 146-152. Published 2000-01-20 Author(s): Feng Yong, Zhou Lian, Yang Wan－min, Zhang Cui－ping, Wang Jing－rong, Yu Ze－ming, Wu Xiao－zu <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 146-152. Published 2000-01-20 Flux Pinning in PMP Y－Gd－Ba－Cu－O Superconductors Feng Yong, Zhou Lian, Yang Wan－min, Zhang Cui－ping, Wang Jing－rong, Yu Ze－ming, Wu Xiao－zu 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 146-152. article doi:10.7498/aps.49.146 10.7498/aps.49.146 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.146 146-152 //www.getgobooth.com/en/article/doi/10.7498/aps.49.152 Author(s): Feng Quan－yuan, Ren Lang <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 152-154. Published 2000-01-20 Author(s): Feng Quan－yuan, Ren Lang <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 152-154. Published 2000-01-20 Magnetocrystalline Anisotropy of BaZn_2(GeMn)_(0-2)Fe_(15-6)O-(27) Hexaferrites Feng Quan－yuan, Ren Lang 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 152-154. article doi:10.7498/aps.49.152 10.7498/aps.49.152 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.152 152-154 //www.getgobooth.com/en/article/doi/10.7498/aps.49.155 Author(s): Li Bai－qin, Nie Chu <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 155-159. Published 2000-01-20 Author(s): Li Bai－qin, Nie Chu <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 155-159. Published 2000-01-20 27Al Nuclear Magnetic Resonance Analysis of Mechanical Alloy ing Process in Cu－Al Mixed Powders Li Bai－qin, Nie Chu 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 155-159. article doi:10.7498/aps.49.155 10.7498/aps.49.155 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.155 155-159 //www.getgobooth.com/en/article/doi/10.7498/aps.49.160 Author(s): Li Jing－de, Li Zhi－ qiang, Lu Xia－lian, Shen Han <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 160-163. Published 2000-01-20 Author(s): Li Jing－de, Li Zhi－ qiang, Lu Xia－lian, Shen Han <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 160-163. Published 2000-01-20 The Shielding Theory of Ferroelectricity Li Jing－de, Li Zhi－ qiang, Lu Xia－lian, Shen Han 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 160-163. article doi:10.7498/aps.49.160 10.7498/aps.49.160 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.160 160-163 //www.getgobooth.com/en/article/doi/10.7498/aps.49.164 Author(s): Liu Bo, Jiang Lei, Zhou Zhu－ying, He Mian－hong, Zhao Guo－qing, Zong Xiang－fu <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 164-169. Published 2000-01-20 Author(s): Liu Bo, Jiang Lei, Zhou Zhu－ying, He Mian－hong, Zhao Guo－qing, Zong Xiang－fu <br/><p></p> <br/>Acta Physica Sinica. 2000 49(1): 164-169. Published 2000-01-20 In Situ Analysis of High Energetic Ion RBS Combined with Low Energetic Ion Sputtering for Thin Films Liu Bo, Jiang Lei, Zhou Zhu－ying, He Mian－hong, Zhao Guo－qing, Zong Xiang－fu 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 164-169. article doi:10.7498/aps.49.164 10.7498/aps.49.164 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.164 164-169 //www.getgobooth.com/en/article/doi/10.7498/aps.49.170 Author(s): Yu Li－juan, Zhu Chang－chun <br/><p>This article uses the model of BP neural networks　proposes the forecasting model of neural networks in combination with the characteristics of field emission co ld cathode　and applies the data of threshold electric field of diamond thin film to test.The results show that the relative error of the model is within 6\^6% a nd the model possesses good forecast characteristics through simulation and imi tation.</p> <br/>Acta Physica Sinica. 2000 49(1): 170-173. Published 2000-01-20 Author(s): Yu Li－juan, Zhu Chang－chun <br/><p>This article uses the model of BP neural networks　proposes the forecasting model of neural networks in combination with the characteristics of field emission co ld cathode　and applies the data of threshold electric field of diamond thin film to test.The results show that the relative error of the model is within 6\^6% a nd the model possesses good forecast characteristics through simulation and imi tation.</p> <br/>Acta Physica Sinica. 2000 49(1): 170-173. Published 2000-01-20 Neural Networks Models on Threshold Electric Field of Field Emission Yu Li－juan, Zhu Chang－chun 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 170-173. article doi:10.7498/aps.49.170 10.7498/aps.49.170 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.170 170-173 //www.getgobooth.com/en/article/doi/10.7498/aps.49.173 Author(s): Xiao Xing－cheng, Jiang Wei－hui, Tian Jing－fen, Song Li－xing, Hu Xing－fang <br/><p>The amorphous carbon nitride films were prepared by dc magnetron sputtering first　and then were heat－treated at high temperature.DTA　XRD　Auger spectroscopy wer e used to study the difference of composition　structure before and after heat－t reatment.The results showed that crystallization occurred at 1186℃.Heat－treatm ent can induce the crystallization of carbon nitride and the diffraction peaks a ppeared in the XRD pattern.The results of Auger spectroscopy also showed that th ere existed SiCN－riched area and the content of N decreased.</p> <br/>Acta Physica Sinica. 2000 49(1): 173-176. Published 2000-01-20 Author(s): Xiao Xing－cheng, Jiang Wei－hui, Tian Jing－fen, Song Li－xing, Hu Xing－fang <br/><p>The amorphous carbon nitride films were prepared by dc magnetron sputtering first　and then were heat－treated at high temperature.DTA　XRD　Auger spectroscopy wer e used to study the difference of composition　structure before and after heat－t reatment.The results showed that crystallization occurred at 1186℃.Heat－treatm ent can induce the crystallization of carbon nitride and the diffraction peaks a ppeared in the XRD pattern.The results of Auger spectroscopy also showed that th ere existed SiCN－riched area and the content of N decreased.</p> <br/>Acta Physica Sinica. 2000 49(1): 173-176. Published 2000-01-20 Effect of High－Temperature Treatment on the Crystallization of CNx Thin Films Xiao Xing－cheng, Jiang Wei－hui, Tian Jing－fen, Song Li－xing, Hu Xing－fang 2000-01-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 2000 49(1): 173-176. article doi:10.7498/aps.49.173 10.7498/aps.49.173 Acta Physica Sinica 49 1 2000-01-20 //www.getgobooth.com/en/article/doi/10.7498/aps.49.173 173-176

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