//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 //www.getgobooth.com/en/article/doi/10.7498/aps.37.353 Author(s): ZHANG JIN-XIU, LUO LAI-ZHONG <br/><p>The Martensitic (MP) and incommensurate/commensurate (I/C) phase transformations during the athermal process of NiTi alloy were studied by the measurements of internal friction, elastic modulus and electric resistance simultaneously. The IF behaviour in the processes of MP and I/C phase transformations are nearly the same and is associated with the motion of phase interface under the action of phase transformation driving force. Starting with the interface dynamics model, the interface dynamic behaviour of MP and I/C transformations were . studied. An explicit functional relationship of the interface dynamics in the process of marten-sitic transformation was obtained as V = V* exp(-△G*/△G - △GR) and the expression for IF during the process of phase transformation as Q-1 = (n2/2)×(μ△G*/(△G-△GR)2) dF/dT·T/ω. The transformation resistance froce △GR is the order of 10 cal/mol. The "soft mode effect" during the transformation process was discussed, and it was shown that the softfening of pho-non mode and the modulus defect associated with interface motion coexist in the processes of martensitic and I/G phase transformations.</p> <br/>Acta Physica Sinica. 1988 37(3): 353-362. Published 2005-07-05 Author(s): ZHANG JIN-XIU, LUO LAI-ZHONG <br/><p>The Martensitic (MP) and incommensurate/commensurate (I/C) phase transformations during the athermal process of NiTi alloy were studied by the measurements of internal friction, elastic modulus and electric resistance simultaneously. The IF behaviour in the processes of MP and I/C phase transformations are nearly the same and is associated with the motion of phase interface under the action of phase transformation driving force. Starting with the interface dynamics model, the interface dynamic behaviour of MP and I/C transformations were . studied. An explicit functional relationship of the interface dynamics in the process of marten-sitic transformation was obtained as V = V* exp(-△G*/△G - △GR) and the expression for IF during the process of phase transformation as Q-1 = (n2/2)×(μ△G*/(△G-△GR)2) dF/dT·T/ω. The transformation resistance froce △GR is the order of 10 cal/mol. The "soft mode effect" during the transformation process was discussed, and it was shown that the softfening of pho-non mode and the modulus defect associated with interface motion coexist in the processes of martensitic and I/G phase transformations.</p> <br/>Acta Physica Sinica. 1988 37(3): 353-362. Published 2005-07-05 AN INTERNAL FRICTION STUDY OF INTERFACE DYNAMICS IN THE PROCESS OF PHASE TRANSFORMATIONS OF NiTi ALLOY ZHANG JIN-XIU, LUO LAI-ZHONG 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 353-362. article doi:10.7498/aps.37.353 10.7498/aps.37.353 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.353 353-362 //www.getgobooth.com/en/article/doi/10.7498/aps.37.363 Author(s): ZHANG JIN-XIU, LI JIANG-HONG <br/><p>The internal friction (IF) Q-1, modulus f2, electrical resistance R and stress s of superelastic Ni51Ti49 alloy in the process of stress induced incommensurate/commensurate (I/C) transition was measured as a function of strain e by a middle torsion pendulum on a tensile testing machihe modified with a four-terminal potential equipment.The effects of number of stress cycles and strain rate e (in the range of 7×10-7/s to 1×10-4/s) were studied. An IF peak and a minimum of modulus were observed respectively in the Q-1-εand f2-εcurves. The IF peak height Qp-1 and modulus defect △M/M increase with an increasing of ε/ω, where ω is angular frequency of measuring. By utilizing an expression obtained from phase interface dynamics and experimental data of Qp-1 (as a function of ε/ω and amount of phase transition F), an explicit functional relationship of average I/C phase interface velocity V and effective phase transition driving force △G′= △G - △GR (where △GR is resistance) was derived as V =V*(△G - △CR)m, where V* and m are dynamic parameters an △GR is a resistance force exerting on the moving interface, which has the order of 1 cal/mol for stress-induced I/C transition of superelastisity NiTi alloy. The relationship between Q-1 and modulus defect △M/M and soft modulus effect are disussed.</p> <br/>Acta Physica Sinica. 1988 37(3): 363-372. Published 2005-07-05 Author(s): ZHANG JIN-XIU, LI JIANG-HONG <br/><p>The internal friction (IF) Q-1, modulus f2, electrical resistance R and stress s of superelastic Ni51Ti49 alloy in the process of stress induced incommensurate/commensurate (I/C) transition was measured as a function of strain e by a middle torsion pendulum on a tensile testing machihe modified with a four-terminal potential equipment.The effects of number of stress cycles and strain rate e (in the range of 7×10-7/s to 1×10-4/s) were studied. An IF peak and a minimum of modulus were observed respectively in the Q-1-εand f2-εcurves. The IF peak height Qp-1 and modulus defect △M/M increase with an increasing of ε/ω, where ω is angular frequency of measuring. By utilizing an expression obtained from phase interface dynamics and experimental data of Qp-1 (as a function of ε/ω and amount of phase transition F), an explicit functional relationship of average I/C phase interface velocity V and effective phase transition driving force △G′= △G - △GR (where △GR is resistance) was derived as V =V*(△G - △CR)m, where V* and m are dynamic parameters an △GR is a resistance force exerting on the moving interface, which has the order of 1 cal/mol for stress-induced I/C transition of superelastisity NiTi alloy. The relationship between Q-1 and modulus defect △M/M and soft modulus effect are disussed.</p> <br/>Acta Physica Sinica. 1988 37(3): 363-372. Published 2005-07-05 THE STUDIES OF STRESS-INDUCED I/C TRANSITION AND INTERFACE DYNAMICS IN NiTi ALLOY ZHANG JIN-XIU, LI JIANG-HONG 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 363-372. article doi:10.7498/aps.37.363 10.7498/aps.37.363 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.363 363-372 //www.getgobooth.com/en/article/doi/10.7498/aps.37.373 Author(s): WU NAI-JUAN, XIE KAN, HU JIAN-FANG, HONG MING-YUAN, LI HUI-NAN <br/><p>ESCA analysis identifies that the different functional groups of nitrogen compounds have been conbined on the PET surfaces, when modified by the air plasma and the argon plasma. In particular, the double N15 peaks occur on the PET surface after 5 minutes treatment by the low temperature argon plasma. The second peak-N15 is considered as the contribution of nitrogen oxides. The double peaks PET-N15 structure does not result by bombardment with low energy nitrogen ions and argon ions, which indicates that the effect can not be attributed to the action of low energy ion alone.</p> <br/>Acta Physica Sinica. 1988 37(3): 373-378. Published 2005-07-05 Author(s): WU NAI-JUAN, XIE KAN, HU JIAN-FANG, HONG MING-YUAN, LI HUI-NAN <br/><p>ESCA analysis identifies that the different functional groups of nitrogen compounds have been conbined on the PET surfaces, when modified by the air plasma and the argon plasma. In particular, the double N15 peaks occur on the PET surface after 5 minutes treatment by the low temperature argon plasma. The second peak-N15 is considered as the contribution of nitrogen oxides. The double peaks PET-N15 structure does not result by bombardment with low energy nitrogen ions and argon ions, which indicates that the effect can not be attributed to the action of low energy ion alone.</p> <br/>Acta Physica Sinica. 1988 37(3): 373-378. Published 2005-07-05 XPS STUDY OF SURFACE NITROGEN ON PET ACTED BY LOW TEMPERATURE PLASMA AND LOW ENERGY IONS WU NAI-JUAN, XIE KAN, HU JIAN-FANG, HONG MING-YUAN, LI HUI-NAN 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 373-378. article doi:10.7498/aps.37.373 10.7498/aps.37.373 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.373 373-378 //www.getgobooth.com/en/article/doi/10.7498/aps.37.379 Author(s): WANG ZUO-QING, WANG CHENG-HAO, ZHOU SU-HUA <br/><p>In this paper, the Bragg diffraction of SAW on acoustic grating is investigated by incorporating the anisotropy of the substrates. In the analysis, the difference between the incident wave, the fundamental wave and spatial harmonic wave in grating region and the diffraction waves in transmission region is phenomenologically described by using their different corresponding velocities. The experimental results for the diffraction of SAW on acoustic grating which is fabricated on Y-cut LiNbO3 are presented. The comparison of the experimental results with the analyzed results obtained on isotropy approximation shows that the discrepancy is significant. The "extraordinary Bragg diffraction" equations are obtained by using the coupled-waves method which takes the anisotropy of the substrates into consideration. It is shown that the calculated results based on "extraordinary Bragg diffraction" equations are coincident with the experimental results fairly well.</p> <br/>Acta Physica Sinica. 1988 37(3): 379-387. Published 2005-07-05 Author(s): WANG ZUO-QING, WANG CHENG-HAO, ZHOU SU-HUA <br/><p>In this paper, the Bragg diffraction of SAW on acoustic grating is investigated by incorporating the anisotropy of the substrates. In the analysis, the difference between the incident wave, the fundamental wave and spatial harmonic wave in grating region and the diffraction waves in transmission region is phenomenologically described by using their different corresponding velocities. The experimental results for the diffraction of SAW on acoustic grating which is fabricated on Y-cut LiNbO3 are presented. The comparison of the experimental results with the analyzed results obtained on isotropy approximation shows that the discrepancy is significant. The "extraordinary Bragg diffraction" equations are obtained by using the coupled-waves method which takes the anisotropy of the substrates into consideration. It is shown that the calculated results based on "extraordinary Bragg diffraction" equations are coincident with the experimental results fairly well.</p> <br/>Acta Physica Sinica. 1988 37(3): 379-387. Published 2005-07-05 EXTRAORDINARY BRAGG DIFFRACTION OF SURFACE ACOUSTIC WAVE ON ACOUSTIC GRATING WANG ZUO-QING, WANG CHENG-HAO, ZHOU SU-HUA 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 379-387. article doi:10.7498/aps.37.379 10.7498/aps.37.379 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.379 379-387 //www.getgobooth.com/en/article/doi/10.7498/aps.37.388 Author(s): WANG ZUO-QING <br/><p>The acoustic field distribution of the deflected wave beam in transmission region from a chirped acoustic grating is described by using Fresnel-Kirchhoff diffraction integral expression. The transmission function of the SAW beam which is diffracted by a linearly chirped grating in Bragg regime is obtained by using quasi-periodicity approximation and this function is considered as the field distribution function in the aperture of the exit plane. It is shown from the analysis that in Fresnel region there is a Fraunhofer plane where the field distribution is the Fourier transformation of the field along the aperture. It is demonstrated that the role played by the grating is two fold i.e. a deflector and a lens. The most important point we found is that the focusing axis of the focused wave beam will translate parallelly when the frequency of the input signal is changed. This scanning configuration is quite different from the traditional deflection scanning. The theoretical predictions are verified by experimental observations and measurements.</p> <br/>Acta Physica Sinica. 1988 37(3): 388-395. Published 2005-07-05 Author(s): WANG ZUO-QING <br/><p>The acoustic field distribution of the deflected wave beam in transmission region from a chirped acoustic grating is described by using Fresnel-Kirchhoff diffraction integral expression. The transmission function of the SAW beam which is diffracted by a linearly chirped grating in Bragg regime is obtained by using quasi-periodicity approximation and this function is considered as the field distribution function in the aperture of the exit plane. It is shown from the analysis that in Fresnel region there is a Fraunhofer plane where the field distribution is the Fourier transformation of the field along the aperture. It is demonstrated that the role played by the grating is two fold i.e. a deflector and a lens. The most important point we found is that the focusing axis of the focused wave beam will translate parallelly when the frequency of the input signal is changed. This scanning configuration is quite different from the traditional deflection scanning. The theoretical predictions are verified by experimental observations and measurements.</p> <br/>Acta Physica Sinica. 1988 37(3): 388-395. Published 2005-07-05 FOCUSING BEHAVIOURS OF THE DIFFRACTED BEAM OF SURFACE ACOUSTIC WAVE ON CHIRPED GRATING IN BRAGG REGIME WANG ZUO-QING 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 388-395. article doi:10.7498/aps.37.388 10.7498/aps.37.388 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.388 388-395 //www.getgobooth.com/en/article/doi/10.7498/aps.37.396 Author(s): TAN WEI-HAN, LI YU-FANG, ZHANG WEI-PING <br/><p>In this paper, the formal solutions for Fokker-Planck equation with zero or negative diffusion coefficients in quantum optics are given. Their applications to the generation of squeezed states via degenerate parametric amplification or degenerate four wave mixing and other problems are discussed.</p> <br/>Acta Physica Sinica. 1988 37(3): 396-407. Published 2005-07-05 Author(s): TAN WEI-HAN, LI YU-FANG, ZHANG WEI-PING <br/><p>In this paper, the formal solutions for Fokker-Planck equation with zero or negative diffusion coefficients in quantum optics are given. Their applications to the generation of squeezed states via degenerate parametric amplification or degenerate four wave mixing and other problems are discussed.</p> <br/>Acta Physica Sinica. 1988 37(3): 396-407. Published 2005-07-05 THE FORMAL SOLUTIONS FOR FOKKER-PLANCK EQUATION WITH ZERO OR NEGATIVE DIFFUSION COEFFICIENTS AND THEIR APPLICATIONS TO QUANTUM OPTICS TAN WEI-HAN, LI YU-FANG, ZHANG WEI-PING 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 396-407. article doi:10.7498/aps.37.396 10.7498/aps.37.396 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.396 396-407 //www.getgobooth.com/en/article/doi/10.7498/aps.37.408 Author(s): DING HONG-YU, WU BAI-SHI, YIN DA-JUN, LI JIN-QUAN <br/><p>Degenerate four wave mixing is treated using the quantum theory of fradiation. Starting from the energy conservation and momentum conservation laws and using the transition rate-formula for quantum states, the equation of motion for photon number densities of four beams is derived and exact solutions are obtained. With these solutions, change of nonlinear reflectivity with the pump waves and the probe wave, and saturation, and parameter oscillation arc-described. Besides, comparisons are made between our theory and classical theory as well as Bloom's large signal experiment. It is shown that our theory is more accurate and reasonable.</p> <br/>Acta Physica Sinica. 1988 37(3): 408-415. Published 2005-07-05 Author(s): DING HONG-YU, WU BAI-SHI, YIN DA-JUN, LI JIN-QUAN <br/><p>Degenerate four wave mixing is treated using the quantum theory of fradiation. Starting from the energy conservation and momentum conservation laws and using the transition rate-formula for quantum states, the equation of motion for photon number densities of four beams is derived and exact solutions are obtained. With these solutions, change of nonlinear reflectivity with the pump waves and the probe wave, and saturation, and parameter oscillation arc-described. Besides, comparisons are made between our theory and classical theory as well as Bloom's large signal experiment. It is shown that our theory is more accurate and reasonable.</p> <br/>Acta Physica Sinica. 1988 37(3): 408-415. Published 2005-07-05 RATE EQUATION THEORY OF DEGENERATE FOUR WAVE MIXING DING HONG-YU, WU BAI-SHI, YIN DA-JUN, LI JIN-QUAN 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 408-415. article doi:10.7498/aps.37.408 10.7498/aps.37.408 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.408 408-415 //www.getgobooth.com/en/article/doi/10.7498/aps.37.416 Author(s): YE BI-QING, MA ZHONG-LIN, WANG MING-QI <br/><p>We have developed a several-millisecond pulsewidth pulsed Nd:YAG laser with output power of 200 watts in average and 5000 watts in peak. The performance of the long-pulse-width pulsed Nd:YAG laser is investigated. The theoretical analysis agrees with the experiments quite will.</p> <br/>Acta Physica Sinica. 1988 37(3): 416-423. Published 2005-07-05 Author(s): YE BI-QING, MA ZHONG-LIN, WANG MING-QI <br/><p>We have developed a several-millisecond pulsewidth pulsed Nd:YAG laser with output power of 200 watts in average and 5000 watts in peak. The performance of the long-pulse-width pulsed Nd:YAG laser is investigated. The theoretical analysis agrees with the experiments quite will.</p> <br/>Acta Physica Sinica. 1988 37(3): 416-423. Published 2005-07-05 RESEARCH ON PERFORMANCE OF LONG-PULSEWIDTH PULSED Nd:YAG LASER YE BI-QING, MA ZHONG-LIN, WANG MING-QI 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 416-423. article doi:10.7498/aps.37.416 10.7498/aps.37.416 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.416 416-423 //www.getgobooth.com/en/article/doi/10.7498/aps.37.424 Author(s): ZHU WEN-SEN, B. K. DEKA, J. R. IZATT <br/><p>A tunable far-infrared Raman transition NH3 laser with output energies up to 4 mJ (～80kW) is reported. The tuning range covered more than 70% of the emission spectrum from 90 to 93 μm, and the continuous tuning range associated with individual K-level transitions is about 30 GHz. Typical experimental results are described and discussed.</p> <br/>Acta Physica Sinica. 1988 37(3): 424-429. Published 2005-07-05 Author(s): ZHU WEN-SEN, B. K. DEKA, J. R. IZATT <br/><p>A tunable far-infrared Raman transition NH3 laser with output energies up to 4 mJ (～80kW) is reported. The tuning range covered more than 70% of the emission spectrum from 90 to 93 μm, and the continuous tuning range associated with individual K-level transitions is about 30 GHz. Typical experimental results are described and discussed.</p> <br/>Acta Physica Sinica. 1988 37(3): 424-429. Published 2005-07-05 HIGH POWER CONTINUOUSLY TUNABLE FAR INFRARED RAMAN NH3 LASER PUMPED USING A HIGH PRESSURE TE CO2 LASER ZHU WEN-SEN, B. K. DEKA, J. R. IZATT 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 424-429. article doi:10.7498/aps.37.424 10.7498/aps.37.424 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.424 424-429 //www.getgobooth.com/en/article/doi/10.7498/aps.37.430 Author(s): CUI WAN-QIU, ZHOU JING <br/><p>Microstructures of the noncrystalline copper ionic conductors with the network former of P2O5 were studied by means of transverse EXAFS, IR and Raman spectra. From the results, it is derived that in these noncrystalline network structure, there are skeleton structure elements such as [PO4]3-, [CuO4]-6, [CuO3I]5-, [PO31]2- etc., and there are two different distributions for Cu+ ions in voids of the network. The second-order phase transition of the materials at about 50℃ and conduction properties of Cu+ ions are discussed.</p> <br/>Acta Physica Sinica. 1988 37(3): 430-438. Published 2005-07-05 Author(s): CUI WAN-QIU, ZHOU JING <br/><p>Microstructures of the noncrystalline copper ionic conductors with the network former of P2O5 were studied by means of transverse EXAFS, IR and Raman spectra. From the results, it is derived that in these noncrystalline network structure, there are skeleton structure elements such as [PO4]3-, [CuO4]-6, [CuO3I]5-, [PO31]2- etc., and there are two different distributions for Cu+ ions in voids of the network. The second-order phase transition of the materials at about 50℃ and conduction properties of Cu+ ions are discussed.</p> <br/>Acta Physica Sinica. 1988 37(3): 430-438. Published 2005-07-05 EXAFS, IR AND RAMAN SPECTRA STUDIES ON THE NONCRYSTALLINE COPPER IONIC CONDUCTORS IN P2O5-CuI-CuCl SYSTEM CUI WAN-QIU, ZHOU JING 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 430-438. article doi:10.7498/aps.37.430 10.7498/aps.37.430 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.430 430-438 //www.getgobooth.com/en/article/doi/10.7498/aps.37.439 Author(s): GU GUO-QING, TAO RUI-BAO <br/><p>A first-principle approach to the calculation of dc conductivities of the porous medium and composite is developed. In this paper, the case of the porous medium with periodic structure is discussed in detail. The effective conductivities for many two dimensional porous systems are calculated by polynomial approximation, Fourier expansion using elimination procedure and iterative approach of Fourier expansion Critical exponents for the dc conductivity of Sierpinski carpets are also calculated by an improved iterative approach. All the theoretical results agree fairly with recent experimental measurements.</p> <br/>Acta Physica Sinica. 1988 37(3): 439-446. Published 2005-07-05 Author(s): GU GUO-QING, TAO RUI-BAO <br/><p>A first-principle approach to the calculation of dc conductivities of the porous medium and composite is developed. In this paper, the case of the porous medium with periodic structure is discussed in detail. The effective conductivities for many two dimensional porous systems are calculated by polynomial approximation, Fourier expansion using elimination procedure and iterative approach of Fourier expansion Critical exponents for the dc conductivity of Sierpinski carpets are also calculated by an improved iterative approach. All the theoretical results agree fairly with recent experimental measurements.</p> <br/>Acta Physica Sinica. 1988 37(3): 439-446. Published 2005-07-05 A METHOD FOR CALCULATING DC CONDUCTIVITIES OF THE POROUS MEDIUM AND COMPOSITE (Ⅰ)——AN APPROACH TO THE POROUS MEDIUM WITH PERIODIC STRUTURE GU GUO-QING, TAO RUI-BAO 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 439-446. article doi:10.7498/aps.37.439 10.7498/aps.37.439 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.439 439-446 //www.getgobooth.com/en/article/doi/10.7498/aps.37.447 Author(s): LI WEI-QIANG, QI XIA-ZHI, WANG LONG <br/><p>Experimental measurements of electron thermal condouctivity coefficient on the CT-6B device are reported here. With the help of MHD internal disruption, which specifies the temperature sawtooth perturbation, analysing the amplitudes, cycles and phases of the perturbation signals of soft x-ray detectors, we have calculated the average electron thermal coefficients in different radiuses. Experiment results are an order of magnitude larger than that predicted by neoclassical theory, showing that electron heat conductivity in the CT-6B plasma is an anomalous one. It is shown that MHD internal disruption can make the energy transport increases obviously. Electron heat conductivity increases with the amplitude of MHD perturbo-tion.</p> <br/>Acta Physica Sinica. 1988 37(3): 447-451. Published 2005-07-05 Author(s): LI WEI-QIANG, QI XIA-ZHI, WANG LONG <br/><p>Experimental measurements of electron thermal condouctivity coefficient on the CT-6B device are reported here. With the help of MHD internal disruption, which specifies the temperature sawtooth perturbation, analysing the amplitudes, cycles and phases of the perturbation signals of soft x-ray detectors, we have calculated the average electron thermal coefficients in different radiuses. Experiment results are an order of magnitude larger than that predicted by neoclassical theory, showing that electron heat conductivity in the CT-6B plasma is an anomalous one. It is shown that MHD internal disruption can make the energy transport increases obviously. Electron heat conductivity increases with the amplitude of MHD perturbo-tion.</p> <br/>Acta Physica Sinica. 1988 37(3): 447-451. Published 2005-07-05 EXPERIMENTAL MEASUREMENTS OF ELECTRON ANOMALOUS HEAT CONDUCTIVITY ON CT-6B TOKAMAK LI WEI-QIANG, QI XIA-ZHI, WANG LONG 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 447-451. article doi:10.7498/aps.37.447 10.7498/aps.37.447 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.447 447-451 //www.getgobooth.com/en/article/doi/10.7498/aps.37.452 Author(s): WU CHENG, A. KNIGHT, I. R. JONES <br/><p>An experiment in which a rotating magnetic field was used to generate and maintain a FRC is described. The FRC life time appeared to be limited by the duration of the rotating field pulse (40 ms), there was no evidence of gross instabities.</p> <br/>Acta Physica Sinica. 1988 37(3): 452-459. Published 2005-07-05 Author(s): WU CHENG, A. KNIGHT, I. R. JONES <br/><p>An experiment in which a rotating magnetic field was used to generate and maintain a FRC is described. The FRC life time appeared to be limited by the duration of the rotating field pulse (40 ms), there was no evidence of gross instabities.</p> <br/>Acta Physica Sinica. 1988 37(3): 452-459. Published 2005-07-05 THE EXPERIMENT OF GENERATION AND MAINTAINANCE OF A FRC BY MEANS OF A ROTATING MAGNETIC FIELD WU CHENG, A. KNIGHT, I. R. JONES 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 452-459. article doi:10.7498/aps.37.452 10.7498/aps.37.452 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.452 452-459 //www.getgobooth.com/en/article/doi/10.7498/aps.37.460 Author(s): CHENG LU <br/><p>This paper gives an "equivalent circle" model which modifies the bow-shaped area model in papers [1] and [2] .</p> <br/>Acta Physica Sinica. 1988 37(3): 460-462. Published 2005-07-05 Author(s): CHENG LU <br/><p>This paper gives an "equivalent circle" model which modifies the bow-shaped area model in papers [1] and [2] .</p> <br/>Acta Physica Sinica. 1988 37(3): 460-462. Published 2005-07-05 SCATTERING OF LASER BEAM BY DIFFUSING SURFACES (Ⅲ) CHENG LU 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 460-462. article doi:10.7498/aps.37.460 10.7498/aps.37.460 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.460 460-462 //www.getgobooth.com/en/article/doi/10.7498/aps.37.463 Author(s): YAO DE-MIN, GUO GUANG-CAN <br/><p>A general criterion for non-classical state of light is given, by which two kinds of non-classical single-mode states (antibunching and squeezing) are discussed in detail.</p> <br/>Acta Physica Sinica. 1988 37(3): 463-469. Published 2005-07-05 Author(s): YAO DE-MIN, GUO GUANG-CAN <br/><p>A general criterion for non-classical state of light is given, by which two kinds of non-classical single-mode states (antibunching and squeezing) are discussed in detail.</p> <br/>Acta Physica Sinica. 1988 37(3): 463-469. Published 2005-07-05 A CRITERION FOR NON-CLASSICAL STATE OF LIGHT YAO DE-MIN, GUO GUANG-CAN 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 463-469. article doi:10.7498/aps.37.463 10.7498/aps.37.463 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.463 463-469 //www.getgobooth.com/en/article/doi/10.7498/aps.37.470 Author(s): LIU HOU-XIANG, LI ZHAO-LIN, LI SHU-TAO, HAN JING-CHENG, WU CUN-KAI <br/><p>The parent ions (H2CO+) and the descendent ions (CO+) from higher energy dissociation channel, generated by 2+1 and 2+2 photon resonant excited processes respectively, have been found in the multiphoton ionization investigation on formaldehyde with XeCl excimer laser. No HCO+ ions from lower energy dissociation channel (which are dominant in both electron impact and single-photon ionization mass spectra) appear as a result of state-selective excitation.</p> <br/>Acta Physica Sinica. 1988 37(3): 470-474. Published 2005-07-05 Author(s): LIU HOU-XIANG, LI ZHAO-LIN, LI SHU-TAO, HAN JING-CHENG, WU CUN-KAI <br/><p>The parent ions (H2CO+) and the descendent ions (CO+) from higher energy dissociation channel, generated by 2+1 and 2+2 photon resonant excited processes respectively, have been found in the multiphoton ionization investigation on formaldehyde with XeCl excimer laser. No HCO+ ions from lower energy dissociation channel (which are dominant in both electron impact and single-photon ionization mass spectra) appear as a result of state-selective excitation.</p> <br/>Acta Physica Sinica. 1988 37(3): 470-474. Published 2005-07-05 A STUDY OF STATE-SELECTED MULTIPHOTON IONIZATION OF FORMALDEHYDE LIU HOU-XIANG, LI ZHAO-LIN, LI SHU-TAO, HAN JING-CHENG, WU CUN-KAI 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 470-474. article doi:10.7498/aps.37.470 10.7498/aps.37.470 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.470 470-474 //www.getgobooth.com/en/article/doi/10.7498/aps.37.475 Author(s): CHEN GUO-MING, CHEN GUO-LIANG, YANG JIE, ZOU SHI-CHANG <br/><p>It was well known that the interaction of solid surface with low energy ion beam results in the phenomena of sputtering and implantation. The characteristics of thin film Si3N6 formed by implanting ions N2+ at energy 1350 eV into single crystal Si are studied in this paper.We consider that it is necessary to introduce the concept of effective dose for ion beam which depends on the thickness of damage layer and the etching rate of as-implanted silicon nitrides.</p> <br/>Acta Physica Sinica. 1988 37(3): 475-480. Published 2005-07-05 Author(s): CHEN GUO-MING, CHEN GUO-LIANG, YANG JIE, ZOU SHI-CHANG <br/><p>It was well known that the interaction of solid surface with low energy ion beam results in the phenomena of sputtering and implantation. The characteristics of thin film Si3N6 formed by implanting ions N2+ at energy 1350 eV into single crystal Si are studied in this paper.We consider that it is necessary to introduce the concept of effective dose for ion beam which depends on the thickness of damage layer and the etching rate of as-implanted silicon nitrides.</p> <br/>Acta Physica Sinica. 1988 37(3): 475-480. Published 2005-07-05 INVESTIGATION OF THIN FILM Si3N4 FORMED BY LOW ENERGY ION IMPLANTATION CHEN GUO-MING, CHEN GUO-LIANG, YANG JIE, ZOU SHI-CHANG 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 475-480. article doi:10.7498/aps.37.475 10.7498/aps.37.475 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.475 475-480 //www.getgobooth.com/en/article/doi/10.7498/aps.37.481 Author(s): CHENG XING-KUI, ZHAO WEN-JIN, DAI GUO-CAI <br/><p>The high conductivity a-Si:H:Y alloy films prepared by rf sputtering have been obtained. The room temperature d.c. conductivity is about 2×101 Ω-1·cm-1 as Y doping concentration reaches 20 at %. Measurements showed that the alloy films are of n-type. The plots of In a versus 1/T over temperature range investigated can be fitted by two straight lines with a kink occurring at a temperature which is ～70℃, ～75℃ and ～90℃, respectively, for samples deposited at substrate temperature T2 = 260℃, 290℃ and 330℃. Present results may be explained on the assumption that there are two parallel transport paths, one above kink temperature takes place in the conduction band and another below kink temperature in the Y-rela-ted donor impurity band, Moreover, we estimated that the center of the impurity band lies about 0.06-0.07 eV below the conduction band EC.</p> <br/>Acta Physica Sinica. 1988 37(3): 481-484. Published 2005-07-05 Author(s): CHENG XING-KUI, ZHAO WEN-JIN, DAI GUO-CAI <br/><p>The high conductivity a-Si:H:Y alloy films prepared by rf sputtering have been obtained. The room temperature d.c. conductivity is about 2×101 Ω-1·cm-1 as Y doping concentration reaches 20 at %. Measurements showed that the alloy films are of n-type. The plots of In a versus 1/T over temperature range investigated can be fitted by two straight lines with a kink occurring at a temperature which is ～70℃, ～75℃ and ～90℃, respectively, for samples deposited at substrate temperature T2 = 260℃, 290℃ and 330℃. Present results may be explained on the assumption that there are two parallel transport paths, one above kink temperature takes place in the conduction band and another below kink temperature in the Y-rela-ted donor impurity band, Moreover, we estimated that the center of the impurity band lies about 0.06-0.07 eV below the conduction band EC.</p> <br/>Acta Physica Sinica. 1988 37(3): 481-484. Published 2005-07-05 ELECTRONIC TRANSPORT PROPERTIES OF HIGH CONDUCTIVITY a-Si:H:Y ALLOY CHENG XING-KUI, ZHAO WEN-JIN, DAI GUO-CAI 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 481-484. article doi:10.7498/aps.37.481 10.7498/aps.37.481 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.481 481-484 //www.getgobooth.com/en/article/doi/10.7498/aps.37.485 Author(s): FU CHUN-YIN, LU YONG-LING, ZENG SHU-RONG <br/><p>We have discussed the kinetics of the capturing of freemajority tail by deep centres in semeconductors. We pointout that, the DLTS' signal is dicrectly proportional to the pulse width, if the DLTS' response region is restricted in the end of free-carrier tail vegion.This phenomenon may be used to measure the majority carrier capture cross section, in which the net shallow impurity concentration and the majority carrier capture cross section are both relatively wigh.</p> <br/>Acta Physica Sinica. 1988 37(3): 485-489. Published 2005-07-05 Author(s): FU CHUN-YIN, LU YONG-LING, ZENG SHU-RONG <br/><p>We have discussed the kinetics of the capturing of freemajority tail by deep centres in semeconductors. We pointout that, the DLTS' signal is dicrectly proportional to the pulse width, if the DLTS' response region is restricted in the end of free-carrier tail vegion.This phenomenon may be used to measure the majority carrier capture cross section, in which the net shallow impurity concentration and the majority carrier capture cross section are both relatively wigh.</p> <br/>Acta Physica Sinica. 1988 37(3): 485-489. Published 2005-07-05 KINETICS OF THE CAPTURING FROM THE FREE MAJORITY CARRIER TAIL REGION AND MEASUREMENT OF THE MAJORITY CARRIER CAPTURE CROSS SECTION FU CHUN-YIN, LU YONG-LING, ZENG SHU-RONG 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 485-489. article doi:10.7498/aps.37.485 10.7498/aps.37.485 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.485 485-489 //www.getgobooth.com/en/article/doi/10.7498/aps.37.490 Author(s): ZHAO BAO-HUA, ZHENG ZHAO-BO <br/><p>New methods for obtaining the scattering wave functions of an aperiodic potential are developed. The analysis of amplitude and phase of scattering wave functions demonstrates the efficiency of these methods.</p> <br/>Acta Physica Sinica. 1988 37(3): 490-496. Published 2005-07-05 Author(s): ZHAO BAO-HUA, ZHENG ZHAO-BO <br/><p>New methods for obtaining the scattering wave functions of an aperiodic potential are developed. The analysis of amplitude and phase of scattering wave functions demonstrates the efficiency of these methods.</p> <br/>Acta Physica Sinica. 1988 37(3): 490-496. Published 2005-07-05 SCATTERING WAVE FUNCTION ANALYSIS METHODS IN APERIODIC POTENTIAL ZHAO BAO-HUA, ZHENG ZHAO-BO 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 490-496. article doi:10.7498/aps.37.490 10.7498/aps.37.490 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.490 490-496 //www.getgobooth.com/en/article/doi/10.7498/aps.37.497 Author(s): CAO XIAO-WEN <br/><p>The correlation between the superconducting Tc and the atom mass (M) for amorphous superconductors has been studied. It is found that the superconducting Tc is inversely proportional to the cubic root of the atom mass, i.e. Tc∞1/M1/3 for the elements of the same group in which they have the same number of valence electrons. The Tc of crystalline superconductors are discussed too, including the superionductivity of high Tc oxide superconductors.</p> <br/>Acta Physica Sinica. 1988 37(3): 497-501. Published 2005-07-05 Author(s): CAO XIAO-WEN <br/><p>The correlation between the superconducting Tc and the atom mass (M) for amorphous superconductors has been studied. It is found that the superconducting Tc is inversely proportional to the cubic root of the atom mass, i.e. Tc∞1/M1/3 for the elements of the same group in which they have the same number of valence electrons. The Tc of crystalline superconductors are discussed too, including the superionductivity of high Tc oxide superconductors.</p> <br/>Acta Physica Sinica. 1988 37(3): 497-501. Published 2005-07-05 DEPENDENCE OF THE SUPERCONDUCTING Tc UPON THE ATOM MASS IN AMORPHOUS SUPERCONDUCTORS CAO XIAO-WEN 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 497-501. article doi:10.7498/aps.37.497 10.7498/aps.37.497 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.497 497-501 //www.getgobooth.com/en/article/doi/10.7498/aps.37.502 Author(s): XING BIAO, SUN XIN <br/><p>The lattice vibrations of polaron in one-dimensional electronlattice coupled system are investigated. Two new localized vibrational modes g6 and g′6 are found, they can exist in some ranges of coupling constant λ. Furthermore, the dependences of frequencies and configurations of various localized modes on λ have been figured out.</p> <br/>Acta Physica Sinica. 1988 37(3): 502-506. Published 2005-07-05 Author(s): XING BIAO, SUN XIN <br/><p>The lattice vibrations of polaron in one-dimensional electronlattice coupled system are investigated. Two new localized vibrational modes g6 and g′6 are found, they can exist in some ranges of coupling constant λ. Furthermore, the dependences of frequencies and configurations of various localized modes on λ have been figured out.</p> <br/>Acta Physica Sinica. 1988 37(3): 502-506. Published 2005-07-05 THE LOCALIZED VIBRATIONAL MODES OF ONE-DIMENSIONAL POLARON XING BIAO, SUN XIN 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 502-506. article doi:10.7498/aps.37.502 10.7498/aps.37.502 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.502 502-506 //www.getgobooth.com/en/article/doi/10.7498/aps.37.507 Author(s): XING BIAO, SUN XIN <br/><p>We have studied the energy spectra of polaron in SSH model by using a selfconsistent ap-proach. Four new localized electronic state are discovered. They form four discrete levels outside the conduction and valence bands: one locates near the battom of the conduction band and one near the top of conduction bunt, another two are symmetrically near the valence band. Those at the bottom of conduction band and top of valence band only exist in the limited range of coupling constant λ.</p> <br/>Acta Physica Sinica. 1988 37(3): 507-510. Published 2005-07-05 Author(s): XING BIAO, SUN XIN <br/><p>We have studied the energy spectra of polaron in SSH model by using a selfconsistent ap-proach. Four new localized electronic state are discovered. They form four discrete levels outside the conduction and valence bands: one locates near the battom of the conduction band and one near the top of conduction bunt, another two are symmetrically near the valence band. Those at the bottom of conduction band and top of valence band only exist in the limited range of coupling constant λ.</p> <br/>Acta Physica Sinica. 1988 37(3): 507-510. Published 2005-07-05 NEW LOCALIZED ELECTRONIC STATE OF POLARON IN POLYACETYLENE XING BIAO, SUN XIN 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 507-510. article doi:10.7498/aps.37.507 10.7498/aps.37.507 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.507 507-510 //www.getgobooth.com/en/article/doi/10.7498/aps.37.511 Author(s): XIONG XIAO-MING, ZHOU SHI-XUN <br/><p>The charge density of the local charge neutrality two dimensional electron system has been obtained for 1/3 Landan filling factor by the self consistent iteration method. We find a characteristic density distribution for the downward cusps of the ground state energies.</p> <br/>Acta Physica Sinica. 1988 37(3): 511-514. Published 2005-07-05 Author(s): XIONG XIAO-MING, ZHOU SHI-XUN <br/><p>The charge density of the local charge neutrality two dimensional electron system has been obtained for 1/3 Landan filling factor by the self consistent iteration method. We find a characteristic density distribution for the downward cusps of the ground state energies.</p> <br/>Acta Physica Sinica. 1988 37(3): 511-514. Published 2005-07-05 THE CHARGE DENSITY OF FRACTIONAL QUANTIZED HALL REGIME XIONG XIAO-MING, ZHOU SHI-XUN 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 511-514. article doi:10.7498/aps.37.511 10.7498/aps.37.511 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.511 511-514 //www.getgobooth.com/en/article/doi/10.7498/aps.37.515 Author(s): TANG KUN-FA, HU JIA-ZHEN <br/><p>Application of exact renormalisation transformation, to Ising model via equiscale transformation in the same universality class, yields a four-branch critical surface and four fixed points. In the case of the ferromagnetic and antiferromagnetic phase transitions, the results are in agreement with the known exact and the best approximate ones very satifatorily. For the supperantiferromagnetic phase transition, we propose the critical surface equation as follows —ch(h) = sh(2Kx)sh(2Ky).</p> <br/>Acta Physica Sinica. 1988 37(3): 515-519. Published 2005-07-05 Author(s): TANG KUN-FA, HU JIA-ZHEN <br/><p>Application of exact renormalisation transformation, to Ising model via equiscale transformation in the same universality class, yields a four-branch critical surface and four fixed points. In the case of the ferromagnetic and antiferromagnetic phase transitions, the results are in agreement with the known exact and the best approximate ones very satifatorily. For the supperantiferromagnetic phase transition, we propose the critical surface equation as follows —ch(h) = sh(2Kx)sh(2Ky).</p> <br/>Acta Physica Sinica. 1988 37(3): 515-519. Published 2005-07-05 POUR-BRANCH CRITICAL SURFACE AND CORRESPONDING CRITICAL BEHAVIOUR FOR ISING MODEL TANG KUN-FA, HU JIA-ZHEN 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 515-519. article doi:10.7498/aps.37.515 10.7498/aps.37.515 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.515 515-519 //www.getgobooth.com/en/article/doi/10.7498/aps.37.520 Author(s): YING HE-PING, DONG SHAO-JING <br/><p>Through changing lattice action, the Monte Carlo "observation window" is shifted into g24 lattice. The scaling behaviour and M= (3.9±1.0)σ1/2 are found in this region.</p> <br/>Acta Physica Sinica. 1988 37(3): 520-523. Published 2005-07-05 Author(s): YING HE-PING, DONG SHAO-JING <br/><p>Through changing lattice action, the Monte Carlo "observation window" is shifted into g24 lattice. The scaling behaviour and M= (3.9±1.0)σ1/2 are found in this region.</p> <br/>Acta Physica Sinica. 1988 37(3): 520-523. Published 2005-07-05 THE BETA-FUNCTION AND MASS GAP IN SU(2) LATTICE GAUGE THEORY FOR COUPLING LESS THAN ONE YING HE-PING, DONG SHAO-JING 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 520-523. article doi:10.7498/aps.37.520 10.7498/aps.37.520 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.520 520-523 //www.getgobooth.com/en/article/doi/10.7498/aps.37.524 Author(s): LIU LIAO, JIANG YUAN-FANG, HUANG CHAO-GUANG, QIAO ZHEN-HUA <br/><p>The success of the Big Bang model strongly suggests that the universe may be created, but whether the universe is created from nothing or from vacuum is a problem of controversy. In this paper, we put forth a possible proposal for the creation of universe from vacuum fluctuation. We note that the primordial inflationary universe-primordial de Sitter Universe, could be created from the vacuum fluctuation in one-loop approximation, wherce the SO11, SU14 or E8×E8 symmetry hold. By way of the asymptotic freedom of the gauge coupling g and Higgs self coupling λ, the primordial GUT breaks down and the latent heat releases during the first order phase transition. The released heat will heat the 'cold' universe to Planck temperature, so the created inflationary universe will pass into the standard model dominated by radiation. Thereafter, for example, the SU5 GUT holds and the well known second inflation will appear at 10-35 seconds after the creation.</p> <br/>Acta Physica Sinica. 1988 37(3): 524-528. Published 2005-07-05 Author(s): LIU LIAO, JIANG YUAN-FANG, HUANG CHAO-GUANG, QIAO ZHEN-HUA <br/><p>The success of the Big Bang model strongly suggests that the universe may be created, but whether the universe is created from nothing or from vacuum is a problem of controversy. In this paper, we put forth a possible proposal for the creation of universe from vacuum fluctuation. We note that the primordial inflationary universe-primordial de Sitter Universe, could be created from the vacuum fluctuation in one-loop approximation, wherce the SO11, SU14 or E8×E8 symmetry hold. By way of the asymptotic freedom of the gauge coupling g and Higgs self coupling λ, the primordial GUT breaks down and the latent heat releases during the first order phase transition. The released heat will heat the 'cold' universe to Planck temperature, so the created inflationary universe will pass into the standard model dominated by radiation. Thereafter, for example, the SU5 GUT holds and the well known second inflation will appear at 10-35 seconds after the creation.</p> <br/>Acta Physica Sinica. 1988 37(3): 524-528. Published 2005-07-05 A POSSIBLE PROPOSAL FOR THE CREATION OF UNIVERSE FROM VACUUM FLUCTUATION LIU LIAO, JIANG YUAN-FANG, HUANG CHAO-GUANG, QIAO ZHEN-HUA 2005-07-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1988 37(3): 524-528. article doi:10.7498/aps.37.524 10.7498/aps.37.524 Acta Physica Sinica 37 3 2005-07-05 //www.getgobooth.com/en/article/doi/10.7498/aps.37.524 524-528

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