//m.getgobooth.com/ 必威体育下载 daily 15 2024-10-24 17:40:07 apsoffice@iphy.ac.cn apsoffice@iphy.ac.cn 2024-10-24 17:40:07 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 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1003 Author(s): HU NING, ZHANG DE-HAI, DING HAO-GANG <br/><p>According to the general theory of relativity, The force is not an covariant quantity under general coordinate transformations. Different coordinate conditions will lead to different damping forces. It will be convenent to find out the physical coordinate system in which the calculated value of the damping effect is the same as or nearest to that observed on earth. We expect that this physical coordinate system should be free from spurious non-transverse gravitational waves at infinity. In this coordinates the change of orbital period P due to emission of gravitational waves is given by P=-6.5×10-12(m1m2)/M⊙2((m1+m2)/m⊙)-1/3.</p> <br/>Acta Physica Sinica. 1981 30(8): 1003-1010. Published 1981-04-05 Author(s): HU NING, ZHANG DE-HAI, DING HAO-GANG <br/><p>According to the general theory of relativity, The force is not an covariant quantity under general coordinate transformations. Different coordinate conditions will lead to different damping forces. It will be convenent to find out the physical coordinate system in which the calculated value of the damping effect is the same as or nearest to that observed on earth. We expect that this physical coordinate system should be free from spurious non-transverse gravitational waves at infinity. In this coordinates the change of orbital period P due to emission of gravitational waves is given by P=-6.5×10-12(m1m2)/M⊙2((m1+m2)/m⊙)-1/3.</p> <br/>Acta Physica Sinica. 1981 30(8): 1003-1010. Published 1981-04-05 THE RADIATION DAMPING ON BIBARY STARS DUE TO EMISSION OF GRAVITATIONAL WAVES HU NING, ZHANG DE-HAI, DING HAO-GANG 1981-04-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(8): 1003-1010. article doi:10.7498/aps.30.1003 10.7498/aps.30.1003 Acta Physica Sinica 30 8 1981-04-05 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1003 1003-1010 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1011 Author(s): CHEN REN-SHU, XIMEN JI-YE <br/><p>The second order ion trajectories in crossed toroidal electric and inhomogeneous magnetic fields are derived by means of the Fermat's principle and expressed in energy deviation. The ion trajectory formulae may be transferred into velocity or momentum deviation. The transfer formulae between different deviations are given in detail.</p> <br/>Acta Physica Sinica. 1981 30(8): 1011-1019. Published 1981-04-05 Author(s): CHEN REN-SHU, XIMEN JI-YE <br/><p>The second order ion trajectories in crossed toroidal electric and inhomogeneous magnetic fields are derived by means of the Fermat's principle and expressed in energy deviation. The ion trajectory formulae may be transferred into velocity or momentum deviation. The transfer formulae between different deviations are given in detail.</p> <br/>Acta Physica Sinica. 1981 30(8): 1011-1019. Published 1981-04-05 THE SECOND ORDER TRAJECTORIES AND TRANSFER FORMULAE IN CROSSED TOROIDAL ELECTRIC AND INHOMOGENEOUS MAGNETIC FIELDS CHEN REN-SHU, XIMEN JI-YE 1981-04-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(8): 1011-1019. article doi:10.7498/aps.30.1011 10.7498/aps.30.1011 Acta Physica Sinica 30 8 1981-04-05 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1011 1011-1019 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1020 Author(s): ZHANG YANG-ZHONG <br/><p>A renormalization procedure for the perturbative manipulation of Vlasov-Poisson equation has been proposed in this paper. By the graphical expansion method the theory is shown to be renormalizable to any order, and the renormalized propagator is given. The physical meaning of the coherent terms and the absolute incoherent terms is analyzed. The correct expression for the renormalized dielectric function is given and its significances are discussed. By comparison with previous renormalization theory, it is pointed out that this procedure is a true complete renormalization.</p> <br/>Acta Physica Sinica. 1981 30(8): 1020-1029. Published 1981-04-05 Author(s): ZHANG YANG-ZHONG <br/><p>A renormalization procedure for the perturbative manipulation of Vlasov-Poisson equation has been proposed in this paper. By the graphical expansion method the theory is shown to be renormalizable to any order, and the renormalized propagator is given. The physical meaning of the coherent terms and the absolute incoherent terms is analyzed. The correct expression for the renormalized dielectric function is given and its significances are discussed. By comparison with previous renormalization theory, it is pointed out that this procedure is a true complete renormalization.</p> <br/>Acta Physica Sinica. 1981 30(8): 1020-1029. Published 1981-04-05 THE COHERENT RENORMALIZATION THEORY OF COLLISIONLESS PLASMA ZHANG YANG-ZHONG 1981-04-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(8): 1020-1029. article doi:10.7498/aps.30.1020 10.7498/aps.30.1020 Acta Physica Sinica 30 8 1981-04-05 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1020 1020-1029 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1030 Author(s): PENG HUAN-WU <br/><p>The four-dimensional space-time of special relativity is augmented with a fifth dimension to take into account the gauge transformation of the electromagnetic potentials. And in doing this, a new field is introduced purely from dimensional consideration. It will be shown in this paper that this field plays an especially important role inside the electron. It gives rise naturally to the Poincare stress needed for maintaining dynamical equilibrium within an extensive electron, it also reflects the dielectric constant and permeability of the medium within. It thus appears feasible to adopt a fluid structure for the extensive electron, and stable solution for the motion of the fluid particiea has been obtained in general. The electrodynamics within the electron has also been obtained, and no physical solution with spherical symmetry exists. Axially symmetrical solution probably exists, which will be discussed in a subsequent paper.</p> <br/>Acta Physica Sinica. 1981 30(8): 1030-1040. Published 1981-04-05 Author(s): PENG HUAN-WU <br/><p>The four-dimensional space-time of special relativity is augmented with a fifth dimension to take into account the gauge transformation of the electromagnetic potentials. And in doing this, a new field is introduced purely from dimensional consideration. It will be shown in this paper that this field plays an especially important role inside the electron. It gives rise naturally to the Poincare stress needed for maintaining dynamical equilibrium within an extensive electron, it also reflects the dielectric constant and permeability of the medium within. It thus appears feasible to adopt a fluid structure for the extensive electron, and stable solution for the motion of the fluid particiea has been obtained in general. The electrodynamics within the electron has also been obtained, and no physical solution with spherical symmetry exists. Axially symmetrical solution probably exists, which will be discussed in a subsequent paper.</p> <br/>Acta Physica Sinica. 1981 30(8): 1030-1040. Published 1981-04-05 AN ATTEMPT AT A FLUID STRUCTURE OF THE ELECTRON IN SPACE WITH FIVE DIMENSIONS PENG HUAN-WU 1981-04-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(8): 1030-1040. article doi:10.7498/aps.30.1030 10.7498/aps.30.1030 Acta Physica Sinica 30 8 1981-04-05 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1030 1030-1040 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1041 Author(s): GAN ZI-ZHAO, YANG GUO-ZHEN <br/><p>This paper is the second part of a theory of the coherent propagation of light wave in semiconductors. After considering the interaction between electrons, the problem of a semiconductor interacting with light is discussed and the equation of exciton polarization wave excited by light wave is obtained. We point out that the equation can be approximated by a set of linear ones and the exciton polarization wave can be regarded as a Bose field only in the limit of low excitation. In this paper, the problem of coherent excitation of discrete exciton level is also discussed specifically. It is shown that the discrete exciton level system excited coherently is approximately equivalent to a two-level atom system excited by light wave in which the difference of energy level is dependent on the degree of excitation and the density of equivalent "two-level atoms" is determined by features of the exciton state wave function.</p> <br/>Acta Physica Sinica. 1981 30(8): 1041-1055. Published 1981-04-05 Author(s): GAN ZI-ZHAO, YANG GUO-ZHEN <br/><p>This paper is the second part of a theory of the coherent propagation of light wave in semiconductors. After considering the interaction between electrons, the problem of a semiconductor interacting with light is discussed and the equation of exciton polarization wave excited by light wave is obtained. We point out that the equation can be approximated by a set of linear ones and the exciton polarization wave can be regarded as a Bose field only in the limit of low excitation. In this paper, the problem of coherent excitation of discrete exciton level is also discussed specifically. It is shown that the discrete exciton level system excited coherently is approximately equivalent to a two-level atom system excited by light wave in which the difference of energy level is dependent on the degree of excitation and the density of equivalent "two-level atoms" is determined by features of the exciton state wave function.</p> <br/>Acta Physica Sinica. 1981 30(8): 1041-1055. Published 1981-04-05 A THEORY OF COHERENT PROPAGATION OF LIGHT WAVE IN SEMICONDUCTORS (Ⅱ) GAN ZI-ZHAO, YANG GUO-ZHEN 1981-04-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(8): 1041-1055. article doi:10.7498/aps.30.1041 10.7498/aps.30.1041 Acta Physica Sinica 30 8 1981-04-05 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1041 1041-1055 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1056 Author(s): GAN ZI-ZHAO, YANG GUO-ZHEN <br/><p>This paper is the third part of a theory of the coherent propagation of light in semiconductors. Based on the previous papers (Ⅰ) and (Ⅱ), the Maxwell-Bloch equation describing the coherent propagation of light in semiconductors is derived; the equation is then used to discuss a number of possible effects of coherent propagation in both interband transitions and exciton transitions. In particular, the phenomena of self-induced transparency are analysed, and it is shown that the phenomena may occur in the above two transitions.</p> <br/>Acta Physica Sinica. 1981 30(8): 1056-1066. Published 1981-04-05 Author(s): GAN ZI-ZHAO, YANG GUO-ZHEN <br/><p>This paper is the third part of a theory of the coherent propagation of light in semiconductors. Based on the previous papers (Ⅰ) and (Ⅱ), the Maxwell-Bloch equation describing the coherent propagation of light in semiconductors is derived; the equation is then used to discuss a number of possible effects of coherent propagation in both interband transitions and exciton transitions. In particular, the phenomena of self-induced transparency are analysed, and it is shown that the phenomena may occur in the above two transitions.</p> <br/>Acta Physica Sinica. 1981 30(8): 1056-1066. Published 1981-04-05 A THEORY OF COHERENT PROPAGATION OF LIGHT WAVE IN SEMICONDUCTORS (Ⅲ) GAN ZI-ZHAO, YANG GUO-ZHEN 1981-04-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(8): 1056-1066. article doi:10.7498/aps.30.1056 10.7498/aps.30.1056 Acta Physica Sinica 30 8 1981-04-05 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1056 1056-1066 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1067 Author(s): PAN SHAO-HUA <br/><p>The semiclassical laser theory proposed by Lamb for two-level system is extended to the case of dye lasers. Mode coupling equations are deduced, and a discussion is given.</p> <br/>Acta Physica Sinica. 1981 30(8): 1067-1076. Published 1981-04-05 Author(s): PAN SHAO-HUA <br/><p>The semiclassical laser theory proposed by Lamb for two-level system is extended to the case of dye lasers. Mode coupling equations are deduced, and a discussion is given.</p> <br/>Acta Physica Sinica. 1981 30(8): 1067-1076. Published 1981-04-05 A SEMICLASSICAL THEORY OF MODE COUPLING IN DYE LASERS PAN SHAO-HUA 1981-04-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(8): 1067-1076. article doi:10.7498/aps.30.1067 10.7498/aps.30.1067 Acta Physica Sinica 30 8 1981-04-05 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1067 1067-1076 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1075 Author(s): SHEN HONG-YUAN <br/><p>The thermal effects arising from the lasing process in orthorhombic YAP crystals have been discussed theoretically in this paper. Mathematical expressions have been given for the thermal distribution, stress-strain distribution, birefringence and thermal lens effect of the YAP crystals as well as the isogyre pattern of a YAP rod placed between crossed polarizers. It is shown that calculated results agree qualitatively with the observed thermal effects.</p> <br/>Acta Physica Sinica. 1981 30(8): 1075-1099. Published 1981-04-05 Author(s): SHEN HONG-YUAN <br/><p>The thermal effects arising from the lasing process in orthorhombic YAP crystals have been discussed theoretically in this paper. Mathematical expressions have been given for the thermal distribution, stress-strain distribution, birefringence and thermal lens effect of the YAP crystals as well as the isogyre pattern of a YAP rod placed between crossed polarizers. It is shown that calculated results agree qualitatively with the observed thermal effects.</p> <br/>Acta Physica Sinica. 1981 30(8): 1075-1099. Published 1981-04-05 THERMAL EFFECTS IN ORTHORHOMBIC YAP CRYSTALS SHEN HONG-YUAN 1981-04-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(8): 1075-1099. article doi:10.7498/aps.30.1075 10.7498/aps.30.1075 Acta Physica Sinica 30 8 1981-04-05 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1075 1075-1099 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1077 Author(s): XU ZHI-ZHAN, LI AN-MING, CHEN SHI-SHEN, LIN LI-HUANG, LIANG XIANG-CHUN, OUYANG BIN, BI WU-JI, HOU SHING-FA, YIN GUANG-YU, ZHANG SHU-GAN, PAN CHENG-MING <br/><p>We have studied the interaction between the 1010 W Nd glass laser pulses with a leading edge of about 1ns and several planar targets made of deuterium-contained materials. In our experiments, the neutron yields, electron temperature and various characteristics (such as reflectivity, temporal, spatial and spectral structure) of the backward-reflected laser light from the plasmas have been mainly measured.</p> <br/>Acta Physica Sinica. 1981 30(8): 1077-1084. Published 1981-04-05 Author(s): XU ZHI-ZHAN, LI AN-MING, CHEN SHI-SHEN, LIN LI-HUANG, LIANG XIANG-CHUN, OUYANG BIN, BI WU-JI, HOU SHING-FA, YIN GUANG-YU, ZHANG SHU-GAN, PAN CHENG-MING <br/><p>We have studied the interaction between the 1010 W Nd glass laser pulses with a leading edge of about 1ns and several planar targets made of deuterium-contained materials. In our experiments, the neutron yields, electron temperature and various characteristics (such as reflectivity, temporal, spatial and spectral structure) of the backward-reflected laser light from the plasmas have been mainly measured.</p> <br/>Acta Physica Sinica. 1981 30(8): 1077-1084. Published 1981-04-05 INVESTIGATION OF LASER HEATING OF PLASMAS XU ZHI-ZHAN, LI AN-MING, CHEN SHI-SHEN, LIN LI-HUANG, LIANG XIANG-CHUN, OUYANG BIN, BI WU-JI, HOU SHING-FA, YIN GUANG-YU, ZHANG SHU-GAN, PAN CHENG-MING 1981-04-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(8): 1077-1084. article doi:10.7498/aps.30.1077 10.7498/aps.30.1077 Acta Physica Sinica 30 8 1981-04-05 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1077 1077-1084 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1100 Author(s): SHI ZHONG-JIAN, YING CHONG-FU <br/><p>The object of this article is to present the experimental facts about the spiral crystals. The spiral crystal is just like a straight crystal bar with definite orientation coiled on a cylindrical surface. It is not formed spontaneously, but is formed under control. Some problems on spiral crystal are discussed.</p> <br/>Acta Physica Sinica. 1981 30(8): 1100-1105. Published 1981-04-05 Author(s): SHI ZHONG-JIAN, YING CHONG-FU <br/><p>The object of this article is to present the experimental facts about the spiral crystals. The spiral crystal is just like a straight crystal bar with definite orientation coiled on a cylindrical surface. It is not formed spontaneously, but is formed under control. Some problems on spiral crystal are discussed.</p> <br/>Acta Physica Sinica. 1981 30(8): 1100-1105. Published 1981-04-05 SPIRAL CRYSTALS SHI ZHONG-JIAN, YING CHONG-FU 1981-04-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(8): 1100-1105. article doi:10.7498/aps.30.1100 10.7498/aps.30.1100 Acta Physica Sinica 30 8 1981-04-05 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1100 1100-1105 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1106 Author(s): MAI ZHEN-HONG, GE PEI-WEN, CUI SHU-FAN, WU LAN-SHENG <br/><p>The grown-in defects in a synthetic quartz crystal grown from a 2-cut seed plate have been surveyed by X-ray topography and ion probe method. Besides usual dislocations, it has also been found some rare fault surfaces which have not been reported so far. The configuration, fault vector and formation of the fault surfaces are discussed.</p> <br/>Acta Physica Sinica. 1981 30(8): 1106-1110. Published 1981-04-05 Author(s): MAI ZHEN-HONG, GE PEI-WEN, CUI SHU-FAN, WU LAN-SHENG <br/><p>The grown-in defects in a synthetic quartz crystal grown from a 2-cut seed plate have been surveyed by X-ray topography and ion probe method. Besides usual dislocations, it has also been found some rare fault surfaces which have not been reported so far. The configuration, fault vector and formation of the fault surfaces are discussed.</p> <br/>Acta Physica Sinica. 1981 30(8): 1106-1110. Published 1981-04-05 THE OBSERVATION OF DEFECTS IN SYNTHETIC QUARTZ BY X-RAY TOPOGRAPHY MAI ZHEN-HONG, GE PEI-WEN, CUI SHU-FAN, WU LAN-SHENG 1981-04-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(8): 1106-1110. article doi:10.7498/aps.30.1106 10.7498/aps.30.1106 Acta Physica Sinica 30 8 1981-04-05 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1106 1106-1110 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1111 Author(s): ZHANG PENG-XIANG, MO YU-JUN <br/><p>We propose a possible origin of FME linewidth anisotropy shown in mechanically polished YIG and BCVIG single crystals. The stresses left on the surface of the spheres of these crystals couple with the magnetization through the magnetostriction effect, and thus give rise to an additional linewidth, which is anisotropic due to the anisotropic magnetostrictive constant. Supposing that the damaged layer is mainly composed of high density dislocations, a relation between the FME linewidth anisotropy and the magnetostriction constants is deduced based on micromagnetism theory and the two-magnon scattering process. From the measured linewidth anisotropy of YIG, we evaluated the dislocation density of the surface layer to be 5.4×1010/cm2.This relaxation process shows that in order to further reduce the linewidth of an ultra-low linewidth polycrystalline material, suppressing the magnetostriction constant may play an important role.</p> <br/>Acta Physica Sinica. 1981 30(8): 1111-1116. Published 1981-04-05 Author(s): ZHANG PENG-XIANG, MO YU-JUN <br/><p>We propose a possible origin of FME linewidth anisotropy shown in mechanically polished YIG and BCVIG single crystals. The stresses left on the surface of the spheres of these crystals couple with the magnetization through the magnetostriction effect, and thus give rise to an additional linewidth, which is anisotropic due to the anisotropic magnetostrictive constant. Supposing that the damaged layer is mainly composed of high density dislocations, a relation between the FME linewidth anisotropy and the magnetostriction constants is deduced based on micromagnetism theory and the two-magnon scattering process. From the measured linewidth anisotropy of YIG, we evaluated the dislocation density of the surface layer to be 5.4×1010/cm2.This relaxation process shows that in order to further reduce the linewidth of an ultra-low linewidth polycrystalline material, suppressing the magnetostriction constant may play an important role.</p> <br/>Acta Physica Sinica. 1981 30(8): 1111-1116. Published 1981-04-05 POSSIBLE ORIGIN OF THE FMR LINEWIDTH ANISOTROPIES IN YIG AND BCVIG SINGLE CRYSTALS ZHANG PENG-XIANG, MO YU-JUN 1981-04-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(8): 1111-1116. article doi:10.7498/aps.30.1111 10.7498/aps.30.1111 Acta Physica Sinica 30 8 1981-04-05 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1111 1111-1116 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1117 Author(s): ZHANG KAI-MING, YE LING <br/><p>There are twe problems involved in the C1 chemisorption on the GaAs (110) surface, one is whether Cl adsorbs on the relaxed surface or on the unrelaxed one, while the other is whether Cl bonded with the surface anion or with the cation. The present work indicates that the Cl atom adsorbs on the relaxed GaAs (110) surface and is bonded with the surface As. The density of states calculated from this configuration seems to agree well with existing experimental results.</p> <br/>Acta Physica Sinica. 1981 30(8): 1117-1121. Published 1981-04-05 Author(s): ZHANG KAI-MING, YE LING <br/><p>There are twe problems involved in the C1 chemisorption on the GaAs (110) surface, one is whether Cl adsorbs on the relaxed surface or on the unrelaxed one, while the other is whether Cl bonded with the surface anion or with the cation. The present work indicates that the Cl atom adsorbs on the relaxed GaAs (110) surface and is bonded with the surface As. The density of states calculated from this configuration seems to agree well with existing experimental results.</p> <br/>Acta Physica Sinica. 1981 30(8): 1117-1121. Published 1981-04-05 THE CHEMISORPTION OF CI ON THE GaAs(110) SURFACE ZHANG KAI-MING, YE LING 1981-04-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(8): 1117-1121. article doi:10.7498/aps.30.1117 10.7498/aps.30.1117 Acta Physica Sinica 30 8 1981-04-05 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1117 1117-1121 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1122 Author(s): ZHANG LI-YUAN <br/><p>In this paper, a Scalar Eelativiatic Green's Function method ( SRA-KKR) neglecting spin-orbit coupling effect has been proposed for the energy band calculation. With this method, only a few modifications to the Non-Relativistic Green's Function method would be needed in order to obtain the relativiatic effect on the electronic band structure of solid.</p> <br/>Acta Physica Sinica. 1981 30(8): 1122-1126. Published 1981-04-05 Author(s): ZHANG LI-YUAN <br/><p>In this paper, a Scalar Eelativiatic Green's Function method ( SRA-KKR) neglecting spin-orbit coupling effect has been proposed for the energy band calculation. With this method, only a few modifications to the Non-Relativistic Green's Function method would be needed in order to obtain the relativiatic effect on the electronic band structure of solid.</p> <br/>Acta Physica Sinica. 1981 30(8): 1122-1126. Published 1981-04-05 GREEN'S FUNCTION METHOD FOR ENERGY BAND CALCULATIONS IN THE SCALAR RELATIVISTIC APPROXIMATION (SRA-KKR) ZHANG LI-YUAN 1981-04-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(8): 1122-1126. article doi:10.7498/aps.30.1122 10.7498/aps.30.1122 Acta Physica Sinica 30 8 1981-04-05 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1122 1122-1126 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1127 Author(s): LEI XIAO-LIN <br/><p>On the basis of a recent discussion on the analytical properties of the first order equation for Tc, we show, by concrete examples, that the radius of convergence of the series for superconducting critical temperature is so sensitive to the high-frequency behaviors of the phonon spectral function, that it is inadequate for it to serve as a critical quantity in the criterion for dividing superconductors into type A and type B.</p> <br/>Acta Physica Sinica. 1981 30(8): 1127-1131. Published 1981-04-05 Author(s): LEI XIAO-LIN <br/><p>On the basis of a recent discussion on the analytical properties of the first order equation for Tc, we show, by concrete examples, that the radius of convergence of the series for superconducting critical temperature is so sensitive to the high-frequency behaviors of the phonon spectral function, that it is inadequate for it to serve as a critical quantity in the criterion for dividing superconductors into type A and type B.</p> <br/>Acta Physica Sinica. 1981 30(8): 1127-1131. Published 1981-04-05 SENSITIVITY OF THE RADIUS OF CONVENGENCE OF THE SERIES FOR SUPERCONDUCTING Tc TO THE HIGH-FREQUENCY BEHAVIORS OF PHONON SPECTRAL FUNCTION LEI XIAO-LIN 1981-04-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(8): 1127-1131. article doi:10.7498/aps.30.1127 10.7498/aps.30.1127 Acta Physica Sinica 30 8 1981-04-05 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1127 1127-1131 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1132 Author(s): WU HANG-SHENG, GU YI-MING <br/><p>The analysis of the present paper shows that in the case of |zph|c series solution, although does not converge outside the convergence circle determined by the singular point zph, is an asymptotic power series so long as 1/λ is less than [0.63+3μ+(1/Λ1)] 1/Λ1, where 1/Λ1=min(|z|,1);μ+(x)=(1-2μ*x)μ*.</p> <br/>Acta Physica Sinica. 1981 30(8): 1132-1136. Published 1981-04-05 Author(s): WU HANG-SHENG, GU YI-MING <br/><p>The analysis of the present paper shows that in the case of |zph|c series solution, although does not converge outside the convergence circle determined by the singular point zph, is an asymptotic power series so long as 1/λ is less than [0.63+3μ+(1/Λ1)] 1/Λ1, where 1/Λ1=min(|z|,1);μ+(x)=(1-2μ*x)μ*.</p> <br/>Acta Physica Sinica. 1981 30(8): 1132-1136. Published 1981-04-05 NOTE ON THE CONVERGENCE PROPERTIES OF THE Tc SERIES SOLUTION WU HANG-SHENG, GU YI-MING 1981-04-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(8): 1132-1136. article doi:10.7498/aps.30.1132 10.7498/aps.30.1132 Acta Physica Sinica 30 8 1981-04-05 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1132 1132-1136 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1137 Author(s): WU HANG-SHENG, GU YI-MING, MAO DE-QIANG <br/><p>In the present paper, the theory and the Tc formula which were presented in the previous paper of this series, are extended to the case of μ*≠0. The result obtained by the authors is as follows Tc=(2γ)/πωlog·(ωlog/ωc)(μ*/(λ-μ*))·exp{-(1+λ)/(λ-μ*)}. Inγ =C = 0.5772 is Euler constant.</p> <br/>Acta Physica Sinica. 1981 30(8): 1137-1140. Published 1981-04-05 Author(s): WU HANG-SHENG, GU YI-MING, MAO DE-QIANG <br/><p>In the present paper, the theory and the Tc formula which were presented in the previous paper of this series, are extended to the case of μ*≠0. The result obtained by the authors is as follows Tc=(2γ)/πωlog·(ωlog/ωc)(μ*/(λ-μ*))·exp{-(1+λ)/(λ-μ*)}. Inγ =C = 0.5772 is Euler constant.</p> <br/>Acta Physica Sinica. 1981 30(8): 1137-1140. Published 1981-04-05 AN ANALYTIC DERIVATION FOR THE McMillan Tc FORMULA (Ⅱ)——CASE OF μ*≠0 WU HANG-SHENG, GU YI-MING, MAO DE-QIANG 1981-04-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(8): 1137-1140. article doi:10.7498/aps.30.1137 10.7498/aps.30.1137 Acta Physica Sinica 30 8 1981-04-05 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1137 1137-1140 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1141 Author(s): HAN FU-SEN, ZHENG QI-TAI, FAN HAI-FU <br/><p>Single crystals of picriafeltarragenin epoxy compound, C30H44O6, belong to space group P(212121) with lattice parameters a =28.373 (9)?, b=10.667 (5)?, c = 9.115 (4)? and 4 molecules in the unit cell. The intensities of 2890 independent reflectionsau collected using the PW-1100 fourcircle diffractometer. The structure was solved with MULTAN 78 program and refined to a final R = 0.084 by block diagonal least square method. Positions of all the hydrogen atoms were obtained from the difference Fourier synthesis. The shortest distance between two molecules is 3.5?.</p> <br/>Acta Physica Sinica. 1981 30(8): 1141-1149. Published 1981-04-05 Author(s): HAN FU-SEN, ZHENG QI-TAI, FAN HAI-FU <br/><p>Single crystals of picriafeltarragenin epoxy compound, C30H44O6, belong to space group P(212121) with lattice parameters a =28.373 (9)?, b=10.667 (5)?, c = 9.115 (4)? and 4 molecules in the unit cell. The intensities of 2890 independent reflectionsau collected using the PW-1100 fourcircle diffractometer. The structure was solved with MULTAN 78 program and refined to a final R = 0.084 by block diagonal least square method. Positions of all the hydrogen atoms were obtained from the difference Fourier synthesis. The shortest distance between two molecules is 3.5?.</p> <br/>Acta Physica Sinica. 1981 30(8): 1141-1149. Published 1981-04-05 CRYSTAL STRUCTURE OF PICRIAFELTARRAGENIN EPOXY COMPOUND HAN FU-SEN, ZHENG QI-TAI, FAN HAI-FU 1981-04-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(8): 1141-1149. article doi:10.7498/aps.30.1141 10.7498/aps.30.1141 Acta Physica Sinica 30 8 1981-04-05 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1141 1141-1149 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1150 Author(s): ZHANG YUAN-ZHONG, LIU YU-FEN <br/><p>It is more difficult to find an exact solution of the field equations in the gauge theory of gravitation as compared with finding that in Einstein's theory. As far as some problems in physics are concerned, however, it is sufficient to obtain a Newtonian approximate solution and a post-Newtonian approximate solution. In this note the L?U(1) gauge theory of gravitation is discussed. A special exact solution and the approximation to first order to the spherically symmetric and static field of a charged mass point are obtained.</p> <br/>Acta Physica Sinica. 1981 30(8): 1150-1154. Published 1981-04-05 Author(s): ZHANG YUAN-ZHONG, LIU YU-FEN <br/><p>It is more difficult to find an exact solution of the field equations in the gauge theory of gravitation as compared with finding that in Einstein's theory. As far as some problems in physics are concerned, however, it is sufficient to obtain a Newtonian approximate solution and a post-Newtonian approximate solution. In this note the L?U(1) gauge theory of gravitation is discussed. A special exact solution and the approximation to first order to the spherically symmetric and static field of a charged mass point are obtained.</p> <br/>Acta Physica Sinica. 1981 30(8): 1150-1154. Published 1981-04-05 THE SPHERICALLY SYMMETRIC AND STATIC SOLUTIONS IN THE L?U(1) GAUGE THEORY OF GRAVITATION ZHANG YUAN-ZHONG, LIU YU-FEN 1981-04-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(8): 1150-1154. article doi:10.7498/aps.30.1150 10.7498/aps.30.1150 Acta Physica Sinica 30 8 1981-04-05 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1150 1150-1154