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Effects of doping on thermally excited quasiparticles in the high-T-c superconducting state
Xiang, T; Panagopoulos, C; Xiang, T , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
2000
发表期刊PHYSICAL REVIEW B
ISSN1098-0121
卷号61期号:9页码:6343-6345
摘要The physical properties of low-energy superconducting quasiparticles in high-T-c superconductors are examined using magnetic penetration depth and specific-heat experimental data. We find that the low-energy density of states of quasiparticles of La2-xSrxCuO4 scales with (x-x(c))/T-c to the leading-order approximation, where x(c) is the critical doping concentration below which T-c=0. The linear temperature term of the superfluid density is renormalized by quasiparticle interactions and the renormalization factor times the Fermi velocity is found to be doping independent.
部门归属Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England; Univ Cambridge, Irc Superconduct, Cambridge CB3 0HE, England
关键词Penetration-depth Measurements Electronic Specific-heat Temperature Phase Gap Dependence Cuprate
学科领域Physics
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收录类别SCI
WOS记录号WOS:000085707100079
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被引频次:4[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/311006/13009
专题理论物理所SCI论文
通讯作者Xiang, T , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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Xiang, T,Panagopoulos, C,Xiang, T , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. Effects of doping on thermally excited quasiparticles in the high-T-c superconducting state[J]. PHYSICAL REVIEW B,2000,61(9):6343-6345.
APA Xiang, T,Panagopoulos, C,&Xiang, T , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2000).Effects of doping on thermally excited quasiparticles in the high-T-c superconducting state.PHYSICAL REVIEW B,61(9),6343-6345.
MLA Xiang, T,et al."Effects of doping on thermally excited quasiparticles in the high-T-c superconducting state".PHYSICAL REVIEW B 61.9(2000):6343-6345.
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