Superconducting order parameter in heavily overdoped Bi2Sr2CaCu2O8+δ:: A global quantitative analysis -: art. no. 220502

被引：13
|
作者：
He, RH [1 ]
Feng, DL
Eisaki, H
Shimoyama, JI
Kishio, K
Gu, GD
机构：
[1] Fudan Univ, Dept Phys, Appl Surface Phys State Key Lab, Shanghai 200433, Peoples R China
[2] Fudan Univ, Synchrotron Radiat Res Ctr, Shanghai 200433, Peoples R China
[3] AIST, Nanoelect Res Inst, Tsukuba, Ibaraki 3058568, Japan
[4] Univ Tokyo, Dept Appl Chem, Tokyo 1138656, Japan
[5] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA
来源：
PHYSICAL REVIEW B | 2004年 / 69卷 / 22期
关键词：
D O I：
10.1103/PhysRevB.69.220502
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A systematic analysis of the complex photoemmision spectrum line shape at (pi,0) of heavily overdoped Bi2Sr2CaCu2O8+delta is presented. We show that a coherent component in the quasiparticle excitation is correlated with the superfluid density throughout the entire doping range and suggest it is a direct measure of the order parameter of high temperature superconductors.
引用
收藏
页码：220502 / 1
页数：4
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