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Low temperature superfluid response of high-T-c superconductors
Xiang, T; Panagopoulos, C; Cooper, JR; Xiang, T , Univ Cambridge, Interdisciplinary Res Ctr Superconduct, Madingley Rd, Cambridge CB3 0HE, England.
1998
发表期刊INTERNATIONAL JOURNAL OF MODERN PHYSICS B
ISSN0217-9792
卷号12期号:10页码:1007-1032
摘要We have reviewed our theoretical and experimental results of the low temperature superfluid response function rho(s)(mu) of high temperature superconductors (HTSC). In clean high-T-c materials the in-plane superfluid density rho(s)(ab) varies linearly with temperature. The slope of this linear T term is found to scale approximately with 1/T-c which, according to the weak coupling BCS theory for a d-wave superconductor, implies that the gap amplitude scales approximately with T-c. A T-5 behavior of the out-of-plane superfluid density rho(s)(c) for clean tetragonal HTSC was predicted and observed experimentally in the single layer Hg-compound HgBa2CuO4+delta. In other tetragonal high-T-c compounds with relatively high anisotropy, such as Hg2Ba2Ca2Cu3O8-delta, rho(s)(c) varies as T-2 due to disorder effects. In optimally doped YBa2Cu3O7-delta, rho(s)(c) varies linearly with temperature at low temperatures, but in underdoped YBa2Cu3O7-delta, rho(s)(c) varies as T-2 at low temperatures; these results are consistent with our theoretical calculations.
部门归属Univ Cambridge, Interdisciplinary Res Ctr Superconduct, Cambridge CB3 0HE, England; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Microwave Surface Impedance Anisotropic Penetration Depth A-b Plane Inplane Anisotropy Single-crystal Copper-oxide Yba2cu3o7-delta Dependence Susceptibility Yba2cu3o6.95
学科领域Physics
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收录类别SCI
WOS记录号WOS:000073693800002
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被引频次:43[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12320
专题理论物理所SCI论文
通讯作者Xiang, T , Univ Cambridge, Interdisciplinary Res Ctr Superconduct, Madingley Rd, Cambridge CB3 0HE, England.
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Xiang, T,Panagopoulos, C,Cooper, JR,et al. Low temperature superfluid response of high-T-c superconductors[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS B,1998,12(10):1007-1032.
APA Xiang, T,Panagopoulos, C,Cooper, JR,&Xiang, T , Univ Cambridge, Interdisciplinary Res Ctr Superconduct, Madingley Rd, Cambridge CB3 0HE, England..(1998).Low temperature superfluid response of high-T-c superconductors.INTERNATIONAL JOURNAL OF MODERN PHYSICS B,12(10),1007-1032.
MLA Xiang, T,et al."Low temperature superfluid response of high-T-c superconductors".INTERNATIONAL JOURNAL OF MODERN PHYSICS B 12.10(1998):1007-1032.
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