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本篇系特约稿,由著名超导专家赵忠贤教授审阅,特表谢意.作者熊诗杰,46岁,南京大学物理系研究员.1968年毕业于北京大学,1983年获得南京大学博士学位,1988-1990年先后在英国剑桥大学超导研究中心、美国休斯敦大学德克萨斯超导中心进行访问研究.1991年被国务院学位委员会及国家教委授于“有突出贡献的中国博士”荣誉称号,还被美、英等国名人中心收入三个国际名人录.已在国内外有影响学术刊物发表论文70余篇. 相似文献
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LIU Bin LIANG Ying FENG Shi-Ping CHEN Wei-Yeu 《理论物理通讯》2006,46(1):171-174
Within the t-J model, the heat transport of electron-doped cobaltates is studied based on the fermionspin theory. It is shown that the temperature-dependent thermal conductivity is characterized by the low-temperature peak located at a finite temperature. The thermal conductivity increases monotonously with increasing temperature at low-temperatures T 〈 0.1 J, and then decreases with increasing temperature for higher temperatures T 〉 0.1 J, in qualitative agreement with experimental result observed from NaxCoO2. 相似文献
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LIU Yu-Xiao WANG Yong-Qiang DUAN Yi-Shi 《理论物理通讯》2007,48(4):675-679
We study fermionic zero modes in the self-dual vortex background on an extra two-dimensional Riemann surface in (5+1) dimensions. Using the generalized Abelian-Higgs model, we obtain the inner topological structure of the self-dual vortex and establish the exact self-duality equation with topological term. Then we analyze the Dirac operator on an extra torus and the effective Lagrangian of four-dimensional fermions with the self-dual vortex background. Solving the Dirac equation, the fermionic zero modes on a torus with the self-dual vortex background in two simple cases are obtained. 相似文献
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ZONG Hong-Shi FENG Hong-Tao HOU Feng-Yao SUN Wei-Min 《理论物理通讯》2007,47(1):107-110
Based on the Ward-Takahashi identity at finite chemical potential and Lorentz structure analyms, we generalize the Ball-Chiu vertex to the case of nonzero chemical potential and obtain the general form of the frmionboson vertex in QED at finite chemical potential. 相似文献
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