CU-O CHARGE FLUCTUATIONS AND ELECTRON-PHONON COUPLING IN THE EFFECTIVE SINGLE-BAND HUBBARD THEORY FOR CUPRATE SUPERCONDUCTORS

被引：4

作者：

FEDRO, AJ

SCHUTTLER, HB

机构：

[1] ARGONNE NATL LAB,DIV MAT SCI,ARGONNE,IL 60439

[2] UNIV GEORGIA,CTR SIMULAT PHYS,ATHENS,GA 30602

来源：

PHYSICA C | 1991年 / 185卷 / pt 3期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0921-4534(91)90963-Y

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We present results for the effective electronic and breathing mode electron-phonon coupling parameters in an effective single band model for the cuprate materials which explicitly incorporates the lowest energy Cu-O charge excitations of the more complicated multi-band models. We point out the possibility that the cuprates may be close to a phonon-driven charge instability.

引用

页码：1673 / 1674

页数：2

共 11 条

[1]

[Anonymous], ELECTRONIC STRUCTURE

[2] HOLE EXCITATION-SPECTRA IN CUPRATE SUPERCONDUCTORS - A COMPARATIVE-STUDY OF SINGLE-BAND AND MULTIPLE-BAND STRONG-COUPLING THEORIES [J].