Acta Physica Sinica //www.getgobooth.com/ 必威体育下载 daily 15 2024-08-20 10:33:38 apsoffice@iphy.ac.cn apsoffice@iphy.ac.cn 2024-08-20 10:33:38 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 <![CDATA[INVESTIGATION ON NEUTRON EMISSION FROM LASER-PLASMAS]]> //www.getgobooth.com/en/article/doi/10.7498/aps.33.1 Author(s): PAN CHENG-MING, ZHANG SHU-GAN, ZHU DA-QING <br/><p>The characteristics of neutron emissions from leser-plasmas have been studied. Targets in the form of plane and spherical pellet were made of thermonuclear material containing deuterium, and irradiated by single beam laser system with pulse duration of the order of ns and six-beam laser systems with pulse duration of the order of ns and sns respectively.</p> <br/>Acta Physica Sinica. 1984 33(1): 1-8. Published 2005-07-20 Author(s): PAN CHENG-MING, ZHANG SHU-GAN, ZHU DA-QING <br/><p>The characteristics of neutron emissions from leser-plasmas have been studied. Targets in the form of plane and spherical pellet were made of thermonuclear material containing deuterium, and irradiated by single beam laser system with pulse duration of the order of ns and six-beam laser systems with pulse duration of the order of ns and sns respectively.</p> <br/>Acta Physica Sinica. 1984 33(1): 1-8. Published 2005-07-20 INVESTIGATION ON NEUTRON EMISSION FROM LASER-PLASMAS PAN CHENG-MING, ZHANG SHU-GAN, ZHU DA-QING 2005-07-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1984 33(1): 1-8. article doi:10.7498/aps.33.1 10.7498/aps.33.1 Acta Physica Sinica 33 1 2005-07-20 //www.getgobooth.com/en/article/doi/10.7498/aps.33.1 1-8 <![CDATA[IN-DEPTH OXYGEN CONTAMINATION PRODUCED IN CW CO2 LASER ANNEALED Si]]> //www.getgobooth.com/en/article/doi/10.7498/aps.33.9 Author(s): XU ZHEN-JIA, CHEN WEI-DE <br/><p>Siwafers annealed by CW-CO2 laser have been studied using Nomarski technique, electron absorption image, IR spectrum, AES and ESCA, with particular emphasis on the study of in-depth oxygen contamination. Electron absorption image shows that the effect of CW-CO2 laser annealing is not very uniform in our case. And it has also shown that CW-CO2 laser annealing in air would decrease the carbon contamination on the Si surface, but produce oxygen contamination. This oxygen contamination consists of two parts: SiOx on the surface and free oxygen atom underneath, its thickness is less than~250?.</p> <br/>Acta Physica Sinica. 1984 33(1): 9-15. Published 2005-07-20 Author(s): XU ZHEN-JIA, CHEN WEI-DE <br/><p>Siwafers annealed by CW-CO2 laser have been studied using Nomarski technique, electron absorption image, IR spectrum, AES and ESCA, with particular emphasis on the study of in-depth oxygen contamination. Electron absorption image shows that the effect of CW-CO2 laser annealing is not very uniform in our case. And it has also shown that CW-CO2 laser annealing in air would decrease the carbon contamination on the Si surface, but produce oxygen contamination. This oxygen contamination consists of two parts: SiOx on the surface and free oxygen atom underneath, its thickness is less than~250?.</p> <br/>Acta Physica Sinica. 1984 33(1): 9-15. Published 2005-07-20 IN-DEPTH OXYGEN CONTAMINATION PRODUCED IN CW CO2 LASER ANNEALED Si XU ZHEN-JIA, CHEN WEI-DE 2005-07-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1984 33(1): 9-15. article doi:10.7498/aps.33.9 10.7498/aps.33.9 Acta Physica Sinica 33 1 2005-07-20 //www.getgobooth.com/en/article/doi/10.7498/aps.33.9 9-15 <![CDATA[STUDY OF TWO-PHOTON OPTICAL BISTABILITY]]> //www.getgobooth.com/en/article/doi/10.7498/aps.33.16 Author(s): ZHU SHI-YAO <br/><p>By using quantum method and decorrelation approximation, the twophoton bistability equation in three level atom medium is obtained. The conclusions are consistent with experiment results. The shortcomings in treating this problem by using two-photon vecter model are pointed out.</p> <br/>Acta Physica Sinica. 1984 33(1): 16-24. Published 2005-07-20 Author(s): ZHU SHI-YAO <br/><p>By using quantum method and decorrelation approximation, the twophoton bistability equation in three level atom medium is obtained. The conclusions are consistent with experiment results. The shortcomings in treating this problem by using two-photon vecter model are pointed out.</p> <br/>Acta Physica Sinica. 1984 33(1): 16-24. Published 2005-07-20 STUDY OF TWO-PHOTON OPTICAL BISTABILITY ZHU SHI-YAO 2005-07-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1984 33(1): 16-24. article doi:10.7498/aps.33.16 10.7498/aps.33.16 Acta Physica Sinica 33 1 2005-07-20 //www.getgobooth.com/en/article/doi/10.7498/aps.33.16 16-24 <![CDATA[RENORMALIZED QUASI-LINEAR THEORY OF TURBULENCE IN NON-UNIFORM PLASMA——GENERALIZATION OF MISGUICH-BALESCU THEORY]]> //www.getgobooth.com/en/article/doi/10.7498/aps.33.25 Author(s): QIN YUN-WEN <br/><p>The re-normalized quasi-linear theory of turbulence in uniform plasma, given by Mis-guich and Balescu, is generalized to the case of non-uniform plasma. In the weak-coupling and the weak non-uniformity approximation, the explicit expressions for the propagator and the average turbulent collision operator are obtained. Non-uniformity not only modifies the diffusion contribution, resonance broadening or frequency shift, Dupree damping and velocity-space slope effect of the average distribution function in these operators, but also producesnew differentio-exponential operators——the velocity differential operator in the propagatordue to non-uniformity of the time-space correlation function, and the space differential operator in the average turbulent collision operator due to non-uniformity of the average distribution function. Non-uniformity of the average distribution function prevents two free-stream propagators that are inverse to each other in the expression for the average turbulent collision operator in terms of the propagators from compensating for each other, and as a result the non-Markovian contribution in the propagator acted immediately on the average distribution function appears.</p> <br/>Acta Physica Sinica. 1984 33(1): 25-36. Published 2005-07-20 Author(s): QIN YUN-WEN <br/><p>The re-normalized quasi-linear theory of turbulence in uniform plasma, given by Mis-guich and Balescu, is generalized to the case of non-uniform plasma. In the weak-coupling and the weak non-uniformity approximation, the explicit expressions for the propagator and the average turbulent collision operator are obtained. Non-uniformity not only modifies the diffusion contribution, resonance broadening or frequency shift, Dupree damping and velocity-space slope effect of the average distribution function in these operators, but also producesnew differentio-exponential operators——the velocity differential operator in the propagatordue to non-uniformity of the time-space correlation function, and the space differential operator in the average turbulent collision operator due to non-uniformity of the average distribution function. Non-uniformity of the average distribution function prevents two free-stream propagators that are inverse to each other in the expression for the average turbulent collision operator in terms of the propagators from compensating for each other, and as a result the non-Markovian contribution in the propagator acted immediately on the average distribution function appears.</p> <br/>Acta Physica Sinica. 1984 33(1): 25-36. Published 2005-07-20 RENORMALIZED QUASI-LINEAR THEORY OF TURBULENCE IN NON-UNIFORM PLASMA——GENERALIZATION OF MISGUICH-BALESCU THEORY QIN YUN-WEN 2005-07-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1984 33(1): 25-36. article doi:10.7498/aps.33.25 10.7498/aps.33.25 Acta Physica Sinica 33 1 2005-07-20 //www.getgobooth.com/en/article/doi/10.7498/aps.33.25 25-36 <![CDATA[ABSOLUTE PARAMETRIC INSTABILITIES WITH TWO LINEAR TURNING POINTS]]> //www.getgobooth.com/en/article/doi/10.7498/aps.33.37 Author(s): ZHOU YU-MEI, ZHANG CHUN-YUAN, SHEN JIE-WU, CAI SHI-DONG, CHEN LIU <br/><p>We show that, in weakly inhomogeneous plasmas, there exist absolute parametric instabilities if each of the two decay waves has a linear turning point and the two turning points are of the same sign. Corresponding expressions for the threshold condition and growth rate are also obstained in analytical form, they agree very well with numerical results.</p> <br/>Acta Physica Sinica. 1984 33(1): 37-46. Published 2005-07-20 Author(s): ZHOU YU-MEI, ZHANG CHUN-YUAN, SHEN JIE-WU, CAI SHI-DONG, CHEN LIU <br/><p>We show that, in weakly inhomogeneous plasmas, there exist absolute parametric instabilities if each of the two decay waves has a linear turning point and the two turning points are of the same sign. Corresponding expressions for the threshold condition and growth rate are also obstained in analytical form, they agree very well with numerical results.</p> <br/>Acta Physica Sinica. 1984 33(1): 37-46. Published 2005-07-20 ABSOLUTE PARAMETRIC INSTABILITIES WITH TWO LINEAR TURNING POINTS ZHOU YU-MEI, ZHANG CHUN-YUAN, SHEN JIE-WU, CAI SHI-DONG, CHEN LIU 2005-07-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1984 33(1): 37-46. article doi:10.7498/aps.33.37 10.7498/aps.33.37 Acta Physica Sinica 33 1 2005-07-20 //www.getgobooth.com/en/article/doi/10.7498/aps.33.37 37-46 <![CDATA[MEASURING ELECTRON CYCLOTRON RADIATION FROM PLASMAS BY MEANS OF CONFOCAL RESONANTOR]]> //www.getgobooth.com/en/article/doi/10.7498/aps.33.47 Author(s): WANG ZHAO-SHEN, WANG YA-MIN <br/><p>A method of measuring the electron cyclotron radiation from plasmas by using confocal resonant cavity and sweep frequency receiver is proposed. A radiation spectrum expression for a uniform plasma slab in the confocal resonant cavity has been derived. The analysis shows this method can independently measure TOKAMAK's electron temperature and its radial distribution. Furthermore, as a quasi-optical receiving system, it possesses high spatial resolution power.</p> <br/>Acta Physica Sinica. 1984 33(1): 47-52. Published 2005-07-20 Author(s): WANG ZHAO-SHEN, WANG YA-MIN <br/><p>A method of measuring the electron cyclotron radiation from plasmas by using confocal resonant cavity and sweep frequency receiver is proposed. A radiation spectrum expression for a uniform plasma slab in the confocal resonant cavity has been derived. The analysis shows this method can independently measure TOKAMAK's electron temperature and its radial distribution. Furthermore, as a quasi-optical receiving system, it possesses high spatial resolution power.</p> <br/>Acta Physica Sinica. 1984 33(1): 47-52. Published 2005-07-20 MEASURING ELECTRON CYCLOTRON RADIATION FROM PLASMAS BY MEANS OF CONFOCAL RESONANTOR WANG ZHAO-SHEN, WANG YA-MIN 2005-07-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1984 33(1): 47-52. article doi:10.7498/aps.33.47 10.7498/aps.33.47 Acta Physica Sinica 33 1 2005-07-20 //www.getgobooth.com/en/article/doi/10.7498/aps.33.47 47-52 <![CDATA[15N NUCLEAR RESONANCE REACTION AND HYDROGEN PROFILE IN PALLADIUM]]> //www.getgobooth.com/en/article/doi/10.7498/aps.33.53 Author(s): WANG GUANG-HOU <br/><p>The 15N+ 1H→12C+4He+4.43MeV(γ-ray) nuclear resonance reaction has been used to study the H concentration versus depth in Pd. It is a precise method because. (1) it has a high depth resolution (~50?); (2) γ-ray can be detected easily after penetrating low temperature and vacuum systems; (3)the isolated resonance has an energy of 6.385 -MeV with very narrow width (6-keV); (4) it has reaction cross section of 0.46 barn and high sensitivity. In this paper, the principle of the method, the experimental set-ups as well as hydrogen distribution in the superconducting Pd (H) prepared at different conditions are discussed. In comparison with the observations on the presure charged sample, some new ideas about the hydrogen behavior in this kind of superconductor are given.</p> <br/>Acta Physica Sinica. 1984 33(1): 53-57. Published 2005-07-20 Author(s): WANG GUANG-HOU <br/><p>The 15N+ 1H→12C+4He+4.43MeV(γ-ray) nuclear resonance reaction has been used to study the H concentration versus depth in Pd. It is a precise method because. (1) it has a high depth resolution (~50?); (2) γ-ray can be detected easily after penetrating low temperature and vacuum systems; (3)the isolated resonance has an energy of 6.385 -MeV with very narrow width (6-keV); (4) it has reaction cross section of 0.46 barn and high sensitivity. In this paper, the principle of the method, the experimental set-ups as well as hydrogen distribution in the superconducting Pd (H) prepared at different conditions are discussed. In comparison with the observations on the presure charged sample, some new ideas about the hydrogen behavior in this kind of superconductor are given.</p> <br/>Acta Physica Sinica. 1984 33(1): 53-57. Published 2005-07-20 15N NUCLEAR RESONANCE REACTION AND HYDROGEN PROFILE IN PALLADIUM WANG GUANG-HOU 2005-07-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1984 33(1): 53-57. article doi:10.7498/aps.33.53 10.7498/aps.33.53 Acta Physica Sinica 33 1 2005-07-20 //www.getgobooth.com/en/article/doi/10.7498/aps.33.53 53-57 <![CDATA[THE STEP STRUCTURE EFFECT OF DC JOSEPHSON CURRENT WITHIN ONE FLUX QUANTUM PERIOD (Ⅰ)——SQUID CONSISTING OF TWO JUNCTIONS]]> //www.getgobooth.com/en/article/doi/10.7498/aps.33.58 Author(s): ZHANG YU-HENG, LI YU-ZHI, ZHENG JIE-FEI <br/><p>If a SQUID consisting of two junctions is placed in a cavity with sufficiently high Q-value, when the Josephson frequency of the junction ω=2eV0/h equals to one of the ei-gen frequencies ωr of the cavity, then the oscillating electromagnetic field in the form of standing wave excited by the junction current would react on the junctions and produce a series of steps of dc Josephson current within one flux quantum period Φ0. The theory also predicts that a series of new superconducting quantum interference phe-nomenons would be produced by Josephson currents of two junctions in the feed back field. The step height of the Josephson current will be inreased when both junctions are placed separately at the peak of the standing wave. The phase of the interference trace of SQUID will change by π/2 when one of the junctions is placed at the peak and the other is placed at the trough. The I-H trace of SQUID will degenerate to that of signle junction when one of the junctions is placed at the pack and the other is placed at the node. The step will not occur except that with n=0 yhen both junctions are placed separately at nodes.</p> <br/>Acta Physica Sinica. 1984 33(1): 58-68. Published 2005-07-20 Author(s): ZHANG YU-HENG, LI YU-ZHI, ZHENG JIE-FEI <br/><p>If a SQUID consisting of two junctions is placed in a cavity with sufficiently high Q-value, when the Josephson frequency of the junction ω=2eV0/h equals to one of the ei-gen frequencies ωr of the cavity, then the oscillating electromagnetic field in the form of standing wave excited by the junction current would react on the junctions and produce a series of steps of dc Josephson current within one flux quantum period Φ0. The theory also predicts that a series of new superconducting quantum interference phe-nomenons would be produced by Josephson currents of two junctions in the feed back field. The step height of the Josephson current will be inreased when both junctions are placed separately at the peak of the standing wave. The phase of the interference trace of SQUID will change by π/2 when one of the junctions is placed at the peak and the other is placed at the trough. The I-H trace of SQUID will degenerate to that of signle junction when one of the junctions is placed at the pack and the other is placed at the node. The step will not occur except that with n=0 yhen both junctions are placed separately at nodes.</p> <br/>Acta Physica Sinica. 1984 33(1): 58-68. Published 2005-07-20 THE STEP STRUCTURE EFFECT OF DC JOSEPHSON CURRENT WITHIN ONE FLUX QUANTUM PERIOD (Ⅰ)——SQUID CONSISTING OF TWO JUNCTIONS ZHANG YU-HENG, LI YU-ZHI, ZHENG JIE-FEI 2005-07-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1984 33(1): 58-68. article doi:10.7498/aps.33.58 10.7498/aps.33.58 Acta Physica Sinica 33 1 2005-07-20 //www.getgobooth.com/en/article/doi/10.7498/aps.33.58 58-68 <![CDATA[FURTHER STUDIES ON THE PHASE TRANSITION OF LITHIUM IODATE (LiIO3) POLYMORPHISM]]> //www.getgobooth.com/en/article/doi/10.7498/aps.33.69 Author(s): LIANG JING-KUI, ZHANG YU-MING <br/><p>Further studies on the phase transition mechanism of LiIO3 at normal pressure have been made by means of DTA, heat-treatment, and powder X-ray diffraction. There are three phases of LiIO3, β,η,δ, existing relatively stably at high temperatures and they can directly melt respectively. Their melting points are as follows: phase β, 432℃; phase η, 421℃; phase δ, 416℃. The melting points, thermal processes and the exiting temperature ranges ail show that the order of their thermodynamical stability is: β&lt;η&lt;δ. In dry air and at room temperature, the phase ζ of LiIO3, which changes to phase β when it is heated to 335℃ at 10℃/min, stands long periods of time without any change as well as phase α and β . In the existing temperature range of α -LiIO3, phase ζ does not transform into phase α although it is heat-treated for a long time. The temperature of phase transition of ζ to β is higher than that of α to β. The existence of phase β in the phase ζ has a promotive effect on the phase transition of ζ to β just as the case of α to β. The existence of phase ζ in the phase α has also a promotive effect on α to β . The phase θ, like the phase γ. is also an intermediate metastable phase in the phase transition processes of LiIO3.</p> <br/>Acta Physica Sinica. 1984 33(1): 69-75. Published 2005-07-20 Author(s): LIANG JING-KUI, ZHANG YU-MING <br/><p>Further studies on the phase transition mechanism of LiIO3 at normal pressure have been made by means of DTA, heat-treatment, and powder X-ray diffraction. There are three phases of LiIO3, β,η,δ, existing relatively stably at high temperatures and they can directly melt respectively. Their melting points are as follows: phase β, 432℃; phase η, 421℃; phase δ, 416℃. The melting points, thermal processes and the exiting temperature ranges ail show that the order of their thermodynamical stability is: β&lt;η&lt;δ. In dry air and at room temperature, the phase ζ of LiIO3, which changes to phase β when it is heated to 335℃ at 10℃/min, stands long periods of time without any change as well as phase α and β . In the existing temperature range of α -LiIO3, phase ζ does not transform into phase α although it is heat-treated for a long time. The temperature of phase transition of ζ to β is higher than that of α to β. The existence of phase β in the phase ζ has a promotive effect on the phase transition of ζ to β just as the case of α to β. The existence of phase ζ in the phase α has also a promotive effect on α to β . The phase θ, like the phase γ. is also an intermediate metastable phase in the phase transition processes of LiIO3.</p> <br/>Acta Physica Sinica. 1984 33(1): 69-75. Published 2005-07-20 FURTHER STUDIES ON THE PHASE TRANSITION OF LITHIUM IODATE (LiIO3) POLYMORPHISM LIANG JING-KUI, ZHANG YU-MING 2005-07-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1984 33(1): 69-75. article doi:10.7498/aps.33.69 10.7498/aps.33.69 Acta Physica Sinica 33 1 2005-07-20 //www.getgobooth.com/en/article/doi/10.7498/aps.33.69 69-75 <![CDATA[PHASE EQUILIBRIUM RELATION OF BaB2O4-Li2B2O4 AND BaB2O4-Li2O SECTIONS IN THE TERNARY SYSTEM BaO-Li2O-B2O3]]> //www.getgobooth.com/en/article/doi/10.7498/aps.33.76 Author(s): HUANG QING-ZHEN, WANG GUO-FU, LIANG JING-KUI <br/><p>The pseudo-binary systems BaB2O4-Li2B2O4 and BaB2O4-Li2O in ternay system BaO-Li2O-B2O3 have been studied by means of X-ray diffraction and thermal -analysis. A new compound 4BaB2O4 ·Li2B2O4 which is formed by peritectic reaction at 930 ± 3℃ has been discovered in the BaB2O4-Li2B2O4 system. There is a eutectic horizontal from 4BaB2O4 ·Li2B2O4 to Li2B2O4 at 797±3℃ with a eutectic point component of 79 mol% Li2B2O4. In BaB2O4-Li2O system, there also exists a compound of 4BaB2O4 ·Li2B2O4, formed by peritectic reaction. But its peritectic reaction temperature dropped to 908±3℃ with increasing amount of Li2O. Another new compound 2BaB2O4 ·3Li2O is formed by peritectic reaction at 630±3℃ and eutectic reaction occur from 2BaB2O4 ·3Li2O to Li2O at 400±3℃ and from 2BaB2O4 ·3Li2O to Li2CO3 at 612±3℃. No solid solution is observed in BaB2O4-Li2B2O4 and BaB2O4-Li2O systems.The X-ray powder diffraction pattens of 4BaB2O4 ·Li2B2O4 and 2BaB2O4 ·3Li2O have been indexed by computed programme. It is shown that the space group of 4BaB2O4·Li2B2O4 is Pmma with lattice parameters α = 13.033?, b=14.630?, c = 4.247?. There are two formula units per unit cell. The space group of 2BaB2O4 ·3Li2O is Pmmm. Lattice parameters are α = 4.814?, b = 9.897?, c=11.523?. There are two formula units per unit cell.</p> <br/>Acta Physica Sinica. 1984 33(1): 76-85. Published 2005-07-20 Author(s): HUANG QING-ZHEN, WANG GUO-FU, LIANG JING-KUI <br/><p>The pseudo-binary systems BaB2O4-Li2B2O4 and BaB2O4-Li2O in ternay system BaO-Li2O-B2O3 have been studied by means of X-ray diffraction and thermal -analysis. A new compound 4BaB2O4 ·Li2B2O4 which is formed by peritectic reaction at 930 ± 3℃ has been discovered in the BaB2O4-Li2B2O4 system. There is a eutectic horizontal from 4BaB2O4 ·Li2B2O4 to Li2B2O4 at 797±3℃ with a eutectic point component of 79 mol% Li2B2O4. In BaB2O4-Li2O system, there also exists a compound of 4BaB2O4 ·Li2B2O4, formed by peritectic reaction. But its peritectic reaction temperature dropped to 908±3℃ with increasing amount of Li2O. Another new compound 2BaB2O4 ·3Li2O is formed by peritectic reaction at 630±3℃ and eutectic reaction occur from 2BaB2O4 ·3Li2O to Li2O at 400±3℃ and from 2BaB2O4 ·3Li2O to Li2CO3 at 612±3℃. No solid solution is observed in BaB2O4-Li2B2O4 and BaB2O4-Li2O systems.The X-ray powder diffraction pattens of 4BaB2O4 ·Li2B2O4 and 2BaB2O4 ·3Li2O have been indexed by computed programme. It is shown that the space group of 4BaB2O4·Li2B2O4 is Pmma with lattice parameters α = 13.033?, b=14.630?, c = 4.247?. There are two formula units per unit cell. The space group of 2BaB2O4 ·3Li2O is Pmmm. Lattice parameters are α = 4.814?, b = 9.897?, c=11.523?. There are two formula units per unit cell.</p> <br/>Acta Physica Sinica. 1984 33(1): 76-85. Published 2005-07-20 PHASE EQUILIBRIUM RELATION OF BaB2O4-Li2B2O4 AND BaB2O4-Li2O SECTIONS IN THE TERNARY SYSTEM BaO-Li2O-B2O3 HUANG QING-ZHEN, WANG GUO-FU, LIANG JING-KUI 2005-07-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1984 33(1): 76-85. article doi:10.7498/aps.33.76 10.7498/aps.33.76 Acta Physica Sinica 33 1 2005-07-20 //www.getgobooth.com/en/article/doi/10.7498/aps.33.76 76-85 <![CDATA[YOUNG TABLEAUX FORMS OF FN CONFIGURATION WAVE FUNCTION]]> //www.getgobooth.com/en/article/doi/10.7498/aps.33.86 Author(s): ZHANG SI-YUAN <br/><p>By using the Young tableaux, a systematic method of expressing the wave function of fN configuration spectral term, in particular, the wave function of degenerate spectral term, are given. The wave functions obtained are in accordance with the Racah group chain.</p> <br/>Acta Physica Sinica. 1984 33(1): 86-92. Published 2005-07-20 Author(s): ZHANG SI-YUAN <br/><p>By using the Young tableaux, a systematic method of expressing the wave function of fN configuration spectral term, in particular, the wave function of degenerate spectral term, are given. The wave functions obtained are in accordance with the Racah group chain.</p> <br/>Acta Physica Sinica. 1984 33(1): 86-92. Published 2005-07-20 YOUNG TABLEAUX FORMS OF FN CONFIGURATION WAVE FUNCTION ZHANG SI-YUAN 2005-07-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1984 33(1): 86-92. article doi:10.7498/aps.33.86 10.7498/aps.33.86 Acta Physica Sinica 33 1 2005-07-20 //www.getgobooth.com/en/article/doi/10.7498/aps.33.86 86-92 <![CDATA[STATISTICAL THEORY OF DEFECTS AND INPURITIES IN AMORPHOUS SEMICONDUCTORS]]> //www.getgobooth.com/en/article/doi/10.7498/aps.33.93 Author(s): CHEN GUANG-HUA, LIU HUI-CHUN <br/><p>This article discusses doping effects in amorphous semiconductors, especially the properties at low temperatures, using the method of statistical physics. With approximation of single dangling bond, the positions of Fermi level and the electron densities have been calculated for two groups of amorphous semiconductors.</p> <br/>Acta Physica Sinica. 1984 33(1): 93-98. Published 2005-07-20 Author(s): CHEN GUANG-HUA, LIU HUI-CHUN <br/><p>This article discusses doping effects in amorphous semiconductors, especially the properties at low temperatures, using the method of statistical physics. With approximation of single dangling bond, the positions of Fermi level and the electron densities have been calculated for two groups of amorphous semiconductors.</p> <br/>Acta Physica Sinica. 1984 33(1): 93-98. Published 2005-07-20 STATISTICAL THEORY OF DEFECTS AND INPURITIES IN AMORPHOUS SEMICONDUCTORS CHEN GUANG-HUA, LIU HUI-CHUN 2005-07-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1984 33(1): 93-98. article doi:10.7498/aps.33.93 10.7498/aps.33.93 Acta Physica Sinica 33 1 2005-07-20 //www.getgobooth.com/en/article/doi/10.7498/aps.33.93 93-98 <![CDATA[CALCULATION OF THE ELECTRON-PHONON COUPLING S FACTOR INDUCED BY RARE-EARTH IMPURITIES IN CRYSTALS]]> //www.getgobooth.com/en/article/doi/10.7498/aps.33.99 Author(s): GU ZONG-QUAN, WANG YONG-LIAN <br/><p>A formula is given for calculating minimum electron-phonon coupling S factor in mul-tiphonon transitions, this formula has the advantage of being independent of lattice vibration modes. The S factors have been evaluated for the multiphonon transitions among the multiplets 5F1,5F4,5F5,5G4,5G5 of Ho3+ ion in the LaF3 crystal. The values obtained for the S factor are around 0.05, which is in agreement with experimental results.</p> <br/>Acta Physica Sinica. 1984 33(1): 99-104. Published 2005-07-20 Author(s): GU ZONG-QUAN, WANG YONG-LIAN <br/><p>A formula is given for calculating minimum electron-phonon coupling S factor in mul-tiphonon transitions, this formula has the advantage of being independent of lattice vibration modes. The S factors have been evaluated for the multiphonon transitions among the multiplets 5F1,5F4,5F5,5G4,5G5 of Ho3+ ion in the LaF3 crystal. The values obtained for the S factor are around 0.05, which is in agreement with experimental results.</p> <br/>Acta Physica Sinica. 1984 33(1): 99-104. Published 2005-07-20 CALCULATION OF THE ELECTRON-PHONON COUPLING S FACTOR INDUCED BY RARE-EARTH IMPURITIES IN CRYSTALS GU ZONG-QUAN, WANG YONG-LIAN 2005-07-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1984 33(1): 99-104. article doi:10.7498/aps.33.99 10.7498/aps.33.99 Acta Physica Sinica 33 1 2005-07-20 //www.getgobooth.com/en/article/doi/10.7498/aps.33.99 99-104 <![CDATA[THE INFLUENCE OF PHOTO-INDUCED REFRACTIVE INDEX CHANGE ON RAMAN SPECTRA OF LiNbO3: Fe CRYSTALS]]> //www.getgobooth.com/en/article/doi/10.7498/aps.33.105 Author(s): LIU SI-MIN, ZHANG GUANG-YIN, WU ZHONG-KANG, LI GUAN-GAO, FENG SHANG-TING, ZHANG JIA-MIN, ZHAO JIA-NAI, XU LIANG-YING <br/><p>Obvious anomalous phenomenon in Raman spectrum of LiNbO3:Fe crystals for some scattering geometry has been observed. The phenomenon is associated with the anomalous light scattering process occured after photo-induced refractive index change in crystals.</p> <br/>Acta Physica Sinica. 1984 33(1): 105-109. Published 2005-07-20 Author(s): LIU SI-MIN, ZHANG GUANG-YIN, WU ZHONG-KANG, LI GUAN-GAO, FENG SHANG-TING, ZHANG JIA-MIN, ZHAO JIA-NAI, XU LIANG-YING <br/><p>Obvious anomalous phenomenon in Raman spectrum of LiNbO3:Fe crystals for some scattering geometry has been observed. The phenomenon is associated with the anomalous light scattering process occured after photo-induced refractive index change in crystals.</p> <br/>Acta Physica Sinica. 1984 33(1): 105-109. Published 2005-07-20 THE INFLUENCE OF PHOTO-INDUCED REFRACTIVE INDEX CHANGE ON RAMAN SPECTRA OF LiNbO3: Fe CRYSTALS LIU SI-MIN, ZHANG GUANG-YIN, WU ZHONG-KANG, LI GUAN-GAO, FENG SHANG-TING, ZHANG JIA-MIN, ZHAO JIA-NAI, XU LIANG-YING 2005-07-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1984 33(1): 105-109. article doi:10.7498/aps.33.105 10.7498/aps.33.105 Acta Physica Sinica 33 1 2005-07-20 //www.getgobooth.com/en/article/doi/10.7498/aps.33.105 105-109 <![CDATA[CALCULATION OF ZERO FIELD SPLITTING PARAMETERS OF 3d5 IONS IN LOW SYMMETRY CRYSTAL FIELD]]> //www.getgobooth.com/en/article/doi/10.7498/aps.33.110 Author(s): YANG GUI-LIN, DUAN MING-QIAN, XU YOU, ZHAI HONG-RU <br/><p>As a natural extension of work [4], in this paper the calculation of zero field splitting parameter D of 3d5 ions in low symmetry ( C4v or D4h,C3v or D3h ) crystal field is discussed. The expressions of parameter D in terms of Racah parameters, crystal field parameters and spin-orbit coupling constant ξ are obtained. Applying to Fe3+ in α -Al2O3 crystal, the calculated result agrees fairly well with the experimental value.</p> <br/>Acta Physica Sinica. 1984 33(1): 110-115. Published 2005-07-20 Author(s): YANG GUI-LIN, DUAN MING-QIAN, XU YOU, ZHAI HONG-RU <br/><p>As a natural extension of work [4], in this paper the calculation of zero field splitting parameter D of 3d5 ions in low symmetry ( C4v or D4h,C3v or D3h ) crystal field is discussed. The expressions of parameter D in terms of Racah parameters, crystal field parameters and spin-orbit coupling constant ξ are obtained. Applying to Fe3+ in α -Al2O3 crystal, the calculated result agrees fairly well with the experimental value.</p> <br/>Acta Physica Sinica. 1984 33(1): 110-115. Published 2005-07-20 CALCULATION OF ZERO FIELD SPLITTING PARAMETERS OF 3d5 IONS IN LOW SYMMETRY CRYSTAL FIELD YANG GUI-LIN, DUAN MING-QIAN, XU YOU, ZHAI HONG-RU 2005-07-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1984 33(1): 110-115. article doi:10.7498/aps.33.110 10.7498/aps.33.110 Acta Physica Sinica 33 1 2005-07-20 //www.getgobooth.com/en/article/doi/10.7498/aps.33.110 110-115 <![CDATA[OPTICAL PUMPING OF 87Rb ATOMS USING 85Rb LAMP]]> //www.getgobooth.com/en/article/doi/10.7498/aps.33.116 Author(s): YANG FENG, LIU SHU-QIN, DONG TAI-QIAN <br/><p>An optical pumping device, consisting of only 85Rb lamp and 87Rb absorption bulb, is used. The 0-0 transition resonance signal of 87Rb ground state is found to be greater than that in the conventional optical pumping device, in which the 87Rb lamp, 85Rb filter and 87Rb absorption bulb are used. In a definite temperature range, a negative resonance signal is observed. Up to now, it has not been explained yet. The line-width and optical frequency shift are measured. The possibility of applying this device in 87Rb atomic frequency standard is discussed.</p> <br/>Acta Physica Sinica. 1984 33(1): 116-120. Published 2005-07-20 Author(s): YANG FENG, LIU SHU-QIN, DONG TAI-QIAN <br/><p>An optical pumping device, consisting of only 85Rb lamp and 87Rb absorption bulb, is used. The 0-0 transition resonance signal of 87Rb ground state is found to be greater than that in the conventional optical pumping device, in which the 87Rb lamp, 85Rb filter and 87Rb absorption bulb are used. In a definite temperature range, a negative resonance signal is observed. Up to now, it has not been explained yet. The line-width and optical frequency shift are measured. The possibility of applying this device in 87Rb atomic frequency standard is discussed.</p> <br/>Acta Physica Sinica. 1984 33(1): 116-120. Published 2005-07-20 OPTICAL PUMPING OF 87Rb ATOMS USING 85Rb LAMP YANG FENG, LIU SHU-QIN, DONG TAI-QIAN 2005-07-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1984 33(1): 116-120. article doi:10.7498/aps.33.116 10.7498/aps.33.116 Acta Physica Sinica 33 1 2005-07-20 //www.getgobooth.com/en/article/doi/10.7498/aps.33.116 116-120 <![CDATA[A COMMENT ON THE REASONS FOR THE FAILURE OF MULTAN]]> //www.getgobooth.com/en/article/doi/10.7498/aps.33.121 Author(s): YAO JIA-XING <br/><p>MULTAN-multisolution tangent formula procedure is based on the probability distribution of three phase invariants. Based on this distribution, we analyzed how a small starting set, the main weakness of MULTAN, effects the process of phase development and refinement by the tangent formula. The reason of MULTAN failure and the approach to overcome the disadvantage of small starting set are discussed here. The principle and advantage of RANTAN-random MULTAN is elucidated briefly and compared with MULTAN in fourexamples.</p> <br/>Acta Physica Sinica. 1984 33(1): 121-125. Published 2005-07-20 Author(s): YAO JIA-XING <br/><p>MULTAN-multisolution tangent formula procedure is based on the probability distribution of three phase invariants. Based on this distribution, we analyzed how a small starting set, the main weakness of MULTAN, effects the process of phase development and refinement by the tangent formula. The reason of MULTAN failure and the approach to overcome the disadvantage of small starting set are discussed here. The principle and advantage of RANTAN-random MULTAN is elucidated briefly and compared with MULTAN in fourexamples.</p> <br/>Acta Physica Sinica. 1984 33(1): 121-125. Published 2005-07-20 A COMMENT ON THE REASONS FOR THE FAILURE OF MULTAN YAO JIA-XING 2005-07-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1984 33(1): 121-125. article doi:10.7498/aps.33.121 10.7498/aps.33.121 Acta Physica Sinica 33 1 2005-07-20 //www.getgobooth.com/en/article/doi/10.7498/aps.33.121 121-125 <![CDATA[CALCULATION OF RELATIVISTIC ENERGY LEVELS OF HYDROGEN ATOM BY SPINOR METHOD]]> //www.getgobooth.com/en/article/doi/10.7498/aps.33.126 Author(s): XU DIAN-YAN <br/><p>In this paper, the relativistic wave equation of hydrogen atom is studied in spinor formalism. The energy formula derived is the same as that derived by Γ -matrix method, but the commutation relation is not explicitly used in the calculation.</p> <br/>Acta Physica Sinica. 1984 33(1): 126-131. Published 2005-07-20 Author(s): XU DIAN-YAN <br/><p>In this paper, the relativistic wave equation of hydrogen atom is studied in spinor formalism. The energy formula derived is the same as that derived by Γ -matrix method, but the commutation relation is not explicitly used in the calculation.</p> <br/>Acta Physica Sinica. 1984 33(1): 126-131. Published 2005-07-20 CALCULATION OF RELATIVISTIC ENERGY LEVELS OF HYDROGEN ATOM BY SPINOR METHOD XU DIAN-YAN 2005-07-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1984 33(1): 126-131. article doi:10.7498/aps.33.126 10.7498/aps.33.126 Acta Physica Sinica 33 1 2005-07-20 //www.getgobooth.com/en/article/doi/10.7498/aps.33.126 126-131 <![CDATA[A MOSSBAUER INVESTIGATION OF THE IRON-SODIUM-SILICATE GLASS SYSTEMS]]> //www.getgobooth.com/en/article/doi/10.7498/aps.33.132 Author(s): XIA YUAN-FU, LIU RONG-CHUAN, WANG SHU-XIN, XU CHAO, PAN SHU-YING, CHENG YI-BING <br/><p>Mossbauer absorption measurements have been made at room temperature on 57Fe in Na2O-Fe2O3-SiO2 and Na2O-Fe2O3-SiO2-B2O3 systems. The states of the ferrous and ferric ions have been studied on the basis of Mossbauer parameters. A basic model of the iron in these glass systems is then proposed.</p> <br/>Acta Physica Sinica. 1984 33(1): 132-136. Published 2005-07-20 Author(s): XIA YUAN-FU, LIU RONG-CHUAN, WANG SHU-XIN, XU CHAO, PAN SHU-YING, CHENG YI-BING <br/><p>Mossbauer absorption measurements have been made at room temperature on 57Fe in Na2O-Fe2O3-SiO2 and Na2O-Fe2O3-SiO2-B2O3 systems. The states of the ferrous and ferric ions have been studied on the basis of Mossbauer parameters. A basic model of the iron in these glass systems is then proposed.</p> <br/>Acta Physica Sinica. 1984 33(1): 132-136. Published 2005-07-20 A MOSSBAUER INVESTIGATION OF THE IRON-SODIUM-SILICATE GLASS SYSTEMS XIA YUAN-FU, LIU RONG-CHUAN, WANG SHU-XIN, XU CHAO, PAN SHU-YING, CHENG YI-BING 2005-07-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1984 33(1): 132-136. article doi:10.7498/aps.33.132 10.7498/aps.33.132 Acta Physica Sinica 33 1 2005-07-20 //www.getgobooth.com/en/article/doi/10.7498/aps.33.132 132-136 <![CDATA[REPORT ON A NONSYMMETRICAL DOUBLE-CORE EVENT]]> //www.getgobooth.com/en/article/doi/10.7498/aps.33.137 Author(s): REN JING-RU, LU SUI-LING, KUANG HAO-HUAI, SU SHI, WANG YUN-XIN, WANG DIAN-CHEN, XUE YONG-GUI, WANG CHENG-RUI, CAO PEI-YUAN, LI JIN-YU, LI GUANG-JU, LIU JIAN-GUO, GENG QING-XI <br/><p>A double core event with ∑Er≈1000 TeV, observed in MEC, is reported. The distributions of particles in the two cores are quite dissimilar from each other. The event is briefly discussed.</p> <br/>Acta Physica Sinica. 1984 33(1): 137-139. Published 2005-07-20 Author(s): REN JING-RU, LU SUI-LING, KUANG HAO-HUAI, SU SHI, WANG YUN-XIN, WANG DIAN-CHEN, XUE YONG-GUI, WANG CHENG-RUI, CAO PEI-YUAN, LI JIN-YU, LI GUANG-JU, LIU JIAN-GUO, GENG QING-XI <br/><p>A double core event with ∑Er≈1000 TeV, observed in MEC, is reported. The distributions of particles in the two cores are quite dissimilar from each other. The event is briefly discussed.</p> <br/>Acta Physica Sinica. 1984 33(1): 137-139. Published 2005-07-20 REPORT ON A NONSYMMETRICAL DOUBLE-CORE EVENT REN JING-RU, LU SUI-LING, KUANG HAO-HUAI, SU SHI, WANG YUN-XIN, WANG DIAN-CHEN, XUE YONG-GUI, WANG CHENG-RUI, CAO PEI-YUAN, LI JIN-YU, LI GUANG-JU, LIU JIAN-GUO, GENG QING-XI 2005-07-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1984 33(1): 137-139. article doi:10.7498/aps.33.137 10.7498/aps.33.137 Acta Physica Sinica 33 1 2005-07-20 //www.getgobooth.com/en/article/doi/10.7498/aps.33.137 137-139 <![CDATA[REPORT ON A SUPERHIGH ENERGY HADRONIC EVENT WITH SEVERAL HIGH PT COMPONENTS]]> //www.getgobooth.com/en/article/doi/10.7498/aps.33.140 Author(s): REN JING-RU, KUANG HAO-HUAI, HUO AN-XIAN, LU SUI-JING, SU SHI, WANG DIAN-CHN, HU WEN-JUN, FAN HAI-KUEN, WANG CHENG-RUI, CAO PEI-YUAN, LI JIN-YU, LI GUANG-JU <br/><p>An analysis of the gamma-ray family(∑Er≈1300 TeV) obtained with emulsion chambers at Mt. Kambala was made. The event is produced by one nuclear interaction occurred at an altitude less than ~150 m above the chamber. The central region of the event is composed of 5 clusters. The characteristics of the event is discussed.</p> <br/>Acta Physica Sinica. 1984 33(1): 140-142. Published 2005-07-20 Author(s): REN JING-RU, KUANG HAO-HUAI, HUO AN-XIAN, LU SUI-JING, SU SHI, WANG DIAN-CHN, HU WEN-JUN, FAN HAI-KUEN, WANG CHENG-RUI, CAO PEI-YUAN, LI JIN-YU, LI GUANG-JU <br/><p>An analysis of the gamma-ray family(∑Er≈1300 TeV) obtained with emulsion chambers at Mt. Kambala was made. The event is produced by one nuclear interaction occurred at an altitude less than ~150 m above the chamber. The central region of the event is composed of 5 clusters. The characteristics of the event is discussed.</p> <br/>Acta Physica Sinica. 1984 33(1): 140-142. Published 2005-07-20 REPORT ON A SUPERHIGH ENERGY HADRONIC EVENT WITH SEVERAL HIGH PT COMPONENTS REN JING-RU, KUANG HAO-HUAI, HUO AN-XIAN, LU SUI-JING, SU SHI, WANG DIAN-CHN, HU WEN-JUN, FAN HAI-KUEN, WANG CHENG-RUI, CAO PEI-YUAN, LI JIN-YU, LI GUANG-JU 2005-07-20 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1984 33(1): 140-142. article doi:10.7498/aps.33.140 10.7498/aps.33.140 Acta Physica Sinica 33 1 2005-07-20 //www.getgobooth.com/en/article/doi/10.7498/aps.33.140 140-142
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