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题名: Low-energy physical properties of high-T-c superconducting Cu oxides: A comparison between the resonating valence bond and experiments
作者: Yang, Kai-Yu ;  Shih, C. T. ;  Chou, C. P. ;  Huang, S. M. ;  Lee, T. K. ;  Xiang, T. ;  Zhang, F. C.
刊名: PHYSICAL REVIEW B
出版日期: 2006
卷号: 73, 期号:22, 页码:-
关键词: ANGLE-RESOLVED PHOTOEMISSION ;  INPLANE PENETRATION DEPTH ;  TEMPERATURE SPECIFIC-HEAT ;  QUASI-PARTICLE TRANSPORT ;  FERMI-SURFACE ;  J MODEL ;  CUPRATE SUPERCONDUCTORS ;  CARRIER CONCENTRATION ;  ELECTRONIC-STRUCTURE ;  DOPING DEPENDENCE
学科分类: Physics
通讯作者: Yang, KY , Univ Hong Kong, Ctr Theoret & Computat Phys, Hong Kong, Hong Kong, Peoples R China
部门归属: Univ Hong Kong, Ctr Theoret & Computat Phys, Hong Kong, Hong Kong, Peoples R China; Univ Hong Kong, Dept Phys, Hong Kong, Hong Kong, Peoples R China; Tunghai Univ, Dept Phys, Taichung 40704, Taiwan; Acad Sinica, Inst Phys, Taipei, Taiwan; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Chinese Acad Sci, Interdisciplinary Ctr Theoret Studies, Beijing, Peoples R China; Univ Cincinnati, Dept Phys, Cincinnati, OH 45221 USA
英文摘要: In a recent review by Anderson and co-workers, it was pointed out that an early resonating valence bond (RVB) theory is able to explain a number of unusual properties of high-temperature superconducting (SC) Cu oxides. Here we extend previous calculations to study more systematically the low-energy physical properties of the plain vanilla d-wave RVB state, and to compare the results with the available experiments. We use a renormalized mean-field theory combined with variational Monte Carlo and power Lanczos methods to study the RVB state of an extended t-J model in a square lattice with parameters suitable for the hole-doped Cu oxides. The physical observable quantities we study include the specific heat, the linear residual thermal conductivity, the in-plane magnetic penetration depth, the quasiparticle energy at the antinode (pi,0), the superconducting energy gap, the quasiparticle spectra, and the Drude weights. The traits of nodes (including k(F), the Fermi velocity v(F), and the velocity along Fermi surface v(2)), and the SC order parameter are studied. Comparisons of the theory and the experiments in cuprates show an overall qualitative agreement, especially on their doping dependences.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000238696300104
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5972
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Yang, Kai-Yu,Shih, C. T.,Chou, C. P.,et al. Low-energy physical properties of high-T-c superconducting Cu oxides: A comparison between the resonating valence bond and experiments[J]. PHYSICAL REVIEW B,2006,73(22):-.
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