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

页码：220502 / 1

页数：4

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