Coupling of the B1g phonon to the antinodal electronic states of Bi2Sr2Ca0.92Y0.08Cu2O8+δ -: art. no. 117003

被引：201
作者：
Cuk, T [1 ]
Baumberger, F
Lu, DH
Ingle, N
Zhou, XJ
Eisaki, H
Kaneko, N
Hussain, Z
Devereaux, TP
Nagaosa, N
Shen, ZX
机构：
[1] Stanford Univ, Dept Phys, Stanford, CA 94305 USA
[2] Stanford Univ, Stanford Synchrotron Radiat Lab, Stanford, CA 94305 USA
[3] Natl Inst Adv Ind Sci & Technol, Nanoelect Res Inst, Tsukuba, Ibaraki 3058568, Japan
[4] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA
[5] Univ Waterloo, Dept Phys, Waterloo, ON N2L 3G1, Canada
[6] Univ Tokyo, Dept Appl Phys, CREST, Bunkyo Ku, Tokyo 113, Japan
[7] Univ Zurich, Inst Phys, CH-8057 Zurich, Switzerland
来源：
PHYSICAL REVIEW LETTERS | 2004年 / 93卷 / 11期
基金：
美国国家科学基金会; 加拿大自然科学与工程研究理事会;
关键词：
D O I：
10.1103/PhysRevLett.93.117003
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Angle-resolved photoemission spectroscopy on optimally doped Bi2Sr2Ca0.92Y0.08Cu2O8+delta uncovers a coupling of the electronic bands to a 40 meV mode in an extended k-space region away from the nodal direction, leading to a new interpretation of the strong renormalization of the electronic structure seen in Bi2212. Phenomenological agreements with neutron and Raman experiments suggest that this mode is the B-1g oxygen bond-buckling phonon. A theoretical calculation based on this assignment reproduces the electronic renormalization seen in the data.
引用
收藏
页码：117003 / 1
页数：4
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