//www.getgobooth.com/ 必威体育下载 daily 15 2024-08-20 10:33:40 apsoffice@iphy.ac.cn apsoffice@iphy.ac.cn 2024-08-20 10:33:40 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.18.117 Author(s): SUN CHIA-CHUNG, CHAING TUNG-CHEN, CHOU MO-YI <br/><p>In this article, the second order perturbation energy for an ion in the crystal field due to all other ions, each being regarded as a point charge, is given as follows Considering this energy in the investigation on the elasticity theory of the alkali halide cry stals by the use of Born and Haung's method, we obtain the deviation of the Cauchy's relation in the following form As an illustration, the numerical values of the deviation are calculated and we conclude that the contribution of the quadrapole term of the second order perturbation energy to the deviation of the Cauchy's relation can not be neglected.</p> <br/>Acta Physica Sinica. 1962 18(3): 117-134. Published 2005-08-06 Author(s): SUN CHIA-CHUNG, CHAING TUNG-CHEN, CHOU MO-YI <br/><p>In this article, the second order perturbation energy for an ion in the crystal field due to all other ions, each being regarded as a point charge, is given as follows Considering this energy in the investigation on the elasticity theory of the alkali halide cry stals by the use of Born and Haung's method, we obtain the deviation of the Cauchy's relation in the following form As an illustration, the numerical values of the deviation are calculated and we conclude that the contribution of the quadrapole term of the second order perturbation energy to the deviation of the Cauchy's relation can not be neglected.</p> <br/>Acta Physica Sinica. 1962 18(3): 117-134. Published 2005-08-06 ON THE THEORY OF THE CAUCHY'S RELATION FOR THE ALKALI HALIDE CRYSTALS SUN CHIA-CHUNG, CHAING TUNG-CHEN, CHOU MO-YI 2005-08-06 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1962 18(3): 117-134. article doi:10.7498/aps.18.117 10.7498/aps.18.117 Acta Physica Sinica 18 3 2005-08-06 //www.getgobooth.com/en/article/doi/10.7498/aps.18.117 117-134 //www.getgobooth.com/en/article/doi/10.7498/aps.18.135 Author(s): PU FU-CHO, CHENG CHIN-CHI <br/><p>The Lyons-Kaplan method is applied to the discussion of the change of spin configuration of a Bravias lattice in the presence of external magnetic field or magnetic anisotropy. It is shown that the antiferromagnetic structure transforms into ferromagnetic ones above a certain critical field and the formula for this critical field is derived. The stability of the corresponding spin configurations is also examined.</p> <br/>Acta Physica Sinica. 1962 18(3): 135-142. Published 2005-08-06 Author(s): PU FU-CHO, CHENG CHIN-CHI <br/><p>The Lyons-Kaplan method is applied to the discussion of the change of spin configuration of a Bravias lattice in the presence of external magnetic field or magnetic anisotropy. It is shown that the antiferromagnetic structure transforms into ferromagnetic ones above a certain critical field and the formula for this critical field is derived. The stability of the corresponding spin configurations is also examined.</p> <br/>Acta Physica Sinica. 1962 18(3): 135-142. Published 2005-08-06 SPIN CONFIGURATION OF MAGNETIC SUBSTANCES PU FU-CHO, CHENG CHIN-CHI 2005-08-06 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1962 18(3): 135-142. article doi:10.7498/aps.18.135 10.7498/aps.18.135 Acta Physica Sinica 18 3 2005-08-06 //www.getgobooth.com/en/article/doi/10.7498/aps.18.135 135-142 //www.getgobooth.com/en/article/doi/10.7498/aps.18.143 Author(s): TANG AU-CHIN, CHEN SIH-YUAN <br/><p>Certain molecules, which are intimately related, have been classified into three types according to the general characteristics with respect to the internal rotation. By symmetry analysis of these three types of molecules the general forms of potential functions have been obtained. Applying the results obtained, and the additive property of interaction energies between chemical bonds, we have calculated the potential functions of 85 molecules. All the calculated results agree well with the experimental data. Besides, the number of isomers of internal rotation and the stable configurations in relation to both the meso and the active forms of two molecules CC1FH-CC1FH and C(CH3)C1H-C(CH3)C1H have been predicted .</p> <br/>Acta Physica Sinica. 1962 18(3): 143-158. Published 2005-08-06 Author(s): TANG AU-CHIN, CHEN SIH-YUAN <br/><p>Certain molecules, which are intimately related, have been classified into three types according to the general characteristics with respect to the internal rotation. By symmetry analysis of these three types of molecules the general forms of potential functions have been obtained. Applying the results obtained, and the additive property of interaction energies between chemical bonds, we have calculated the potential functions of 85 molecules. All the calculated results agree well with the experimental data. Besides, the number of isomers of internal rotation and the stable configurations in relation to both the meso and the active forms of two molecules CC1FH-CC1FH and C(CH3)C1H-C(CH3)C1H have been predicted .</p> <br/>Acta Physica Sinica. 1962 18(3): 143-158. Published 2005-08-06 POTENTIAL FUNCTIONS OF RESTRICTED INTERNAL ROTATIONS OF MOLECULES TANG AU-CHIN, CHEN SIH-YUAN 2005-08-06 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1962 18(3): 143-158. article doi:10.7498/aps.18.143 10.7498/aps.18.143 Acta Physica Sinica 18 3 2005-08-06 //www.getgobooth.com/en/article/doi/10.7498/aps.18.143 143-158 //www.getgobooth.com/en/article/doi/10.7498/aps.18.159 Author(s): PAN CHEN-HUA, CHIEN JEN-YUAN <br/><p>Based on the comparison of the infrared spectra of polyamide homologues, on the changes in the infrared spectra of deuterated and iodine-treated samples of polycaprolactam, and also on the observations of the infrared dichroism of drawn film, the main absorption bands of polycaprolactam in the region 400 cm-1-1400cm-1, which are rather structure sensitive, have been assigned as follows: 1370 cm-1 band-νC-N; 1265 cm-1 and 1205 cm-1 bands-δN-H+ν(C-N)(Amide Ⅲ); 1170 cm-1 band-νC-N; 730 cm-1 band-γCH2 of (CH2)n when n≥4; 690 cm-1 band-δN-H (out of plane, Amide V); 580 cm-1 band -δN-H (out of plane).</p> <br/>Acta Physica Sinica. 1962 18(3): 159-164. Published 2005-08-06 Author(s): PAN CHEN-HUA, CHIEN JEN-YUAN <br/><p>Based on the comparison of the infrared spectra of polyamide homologues, on the changes in the infrared spectra of deuterated and iodine-treated samples of polycaprolactam, and also on the observations of the infrared dichroism of drawn film, the main absorption bands of polycaprolactam in the region 400 cm-1-1400cm-1, which are rather structure sensitive, have been assigned as follows: 1370 cm-1 band-νC-N; 1265 cm-1 and 1205 cm-1 bands-δN-H+ν(C-N)(Amide Ⅲ); 1170 cm-1 band-νC-N; 730 cm-1 band-γCH2 of (CH2)n when n≥4; 690 cm-1 band-δN-H (out of plane, Amide V); 580 cm-1 band -δN-H (out of plane).</p> <br/>Acta Physica Sinica. 1962 18(3): 159-164. Published 2005-08-06 ON THE INFRARED SPECTRA OF POLYCAPROLACTAM PAN CHEN-HUA, CHIEN JEN-YUAN 2005-08-06 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1962 18(3): 159-164. article doi:10.7498/aps.18.159 10.7498/aps.18.159 Acta Physica Sinica 18 3 2005-08-06 //www.getgobooth.com/en/article/doi/10.7498/aps.18.159 159-164 //www.getgobooth.com/en/article/doi/10.7498/aps.18.165 Author(s): PENG HWAN-WU <br/><p></p> <br/>Acta Physica Sinica. 1962 18(3): 165-166. Published 2005-08-06 Author(s): PENG HWAN-WU <br/><p></p> <br/>Acta Physica Sinica. 1962 18(3): 165-166. Published 2005-08-06 IMPORTANCE OF LIFE TIME CORRELATION EXPERIMENTS PENG HWAN-WU 2005-08-06 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1962 18(3): 165-166. article doi:10.7498/aps.18.165 10.7498/aps.18.165 Acta Physica Sinica 18 3 2005-08-06 //www.getgobooth.com/en/article/doi/10.7498/aps.18.165 165-166 //www.getgobooth.com/en/article/doi/10.7498/aps.18.167 Author(s): ZHAO YU-ZHI, LENG ZHUNG-ANG <br/><p>We derived the gyromagnetic permeability of an antiferromagnet. From the Maxwell equations combined with the permeability we solved for the plane wave solution of the electromagnetic oscillations in an antiferromagnetic medium of infinite extension. Both the exchange effect of the medium and the relativistic effect of the wave propagation were included in this treatment. We calculated the dispersion of waves and obtained a rough estimation for their penetration depth in the medium.</p> <br/>Acta Physica Sinica. 1962 18(3): 167-174. Published 2005-08-06 Author(s): ZHAO YU-ZHI, LENG ZHUNG-ANG <br/><p>We derived the gyromagnetic permeability of an antiferromagnet. From the Maxwell equations combined with the permeability we solved for the plane wave solution of the electromagnetic oscillations in an antiferromagnetic medium of infinite extension. Both the exchange effect of the medium and the relativistic effect of the wave propagation were included in this treatment. We calculated the dispersion of waves and obtained a rough estimation for their penetration depth in the medium.</p> <br/>Acta Physica Sinica. 1962 18(3): 167-174. Published 2005-08-06 THE DISPERSION AND ATTENUATION OF THE ELECTROMAGNETIC OSCILLATIONS IN ANTIFERROMAGNETIC MEDIUM ZHAO YU-ZHI, LENG ZHUNG-ANG 2005-08-06 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1962 18(3): 167-174. article doi:10.7498/aps.18.167 10.7498/aps.18.167 Acta Physica Sinica 18 3 2005-08-06 //www.getgobooth.com/en/article/doi/10.7498/aps.18.167 167-174 //www.getgobooth.com/en/article/doi/10.7498/aps.18.175 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1962 18(3): 175-176. Published 2005-08-06 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1962 18(3): 175-176. Published 2005-08-06 2005-08-06 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1962 18(3): 175-176. article doi:10.7498/aps.18.175 10.7498/aps.18.175 Acta Physica Sinica 18 3 2005-08-06 //www.getgobooth.com/en/article/doi/10.7498/aps.18.175 175-176

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