Doping and temperature dependence of the mass enhancement observed in the cuprate Bi2Sr2CaCu2O8+δ -: art. no. 177007

被引：315

作者：

Johnson, PD ^{[1
]}

Valla, T

Fedorov, AV

Yusof, Z

Wells, BO

Li, Q

Moodenbaugh, AR

Gu, GD

Koshizuka, N

Kendziora, C

Jian, S

Hinks, DG

机构：

[1] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA

[2] Univ Connecticut, Dept Phys, Storrs, CT 06269 USA

[3] Brookhaven Natl Lab, Div Mat Sci, Upton, NY 11973 USA

[4] Univ New S Wales, Sch Phys, Kensington, NSW 2033, Australia

[5] ISTEC, Superconduct Res Lab, Koto Ku, Tokyo 135, Japan

[6] USN, Res Lab, Div Sci Mat, Washington, DC 20375 USA

[7] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 87卷 / 17期

关键词：

D O I：

10.1103/PhysRevLett.87.177007

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

High-resolution photoemission is used to study the electronic structure of the cuprate superconductor, Bi2Sr2CaCu2O8+delta, as a function of hole doping and temperature. A kink observed in the band dispersion in the nodal line in the superconducting state is associated with coupling to a resonant mode observed in neutron scattering. From the measured real part of the self-energy it is possible to extract a coupling constant which is largest in the underdoped regime, then decreasing continuously into the overdoped regime.

引用

页码：177007 / 1

页数：4

共 36 条

[1] What angle-resolved photoemission experiments tell about the microscopic theory for high-temperature superconductors [J].