Disorder and superfluid density in overdoped cuprate superconductors

被引：66
作者：
Lee-Hone, N. R. [1 ]
Dodge, J. S. [1 ,2 ]
Broun, D. M. [1 ,2 ]
机构：
[1] Simon Fraser Univ, Dept Phys, Burnaby, BC V5A 1S6, Canada
[2] Canadian Inst Adv Res, Toronto, ON MG5 1Z8, Canada
来源：
PHYSICAL REVIEW B | 2017年 / 96卷 / 02期
关键词：
QUANTUM CRITICAL-BEHAVIOR; D-WAVE SUPERCONDUCTORS; PENETRATION DEPTH; MICROWAVE CONDUCTIVITY; TEMPERATURE; LA2-XSRXCUO4; TL2BA2CUO6+DELTA; BI2SR2CACU2O8+DELTA; YBA2CU3O6.95; FLUCTUATION;
D O I：
10.1103/PhysRevB.96.024501
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We calculate superfluid density for a dirty d-wave superconductor. The effects of impurity scattering are treated within the self-consistent t-matrix approximation, in weak-coupling BCS theory. Working from a realistic tight-binding parametrization of the Fermi surface, we find a superfluid density that is both correlated with T-c and linear in temperature, in good correspondence with recent experiments on overdoped La-2-xSrxCuO4.
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页数：8
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