Scaling of the transition temperature of hole-doped cuprate superconductors with the charge-transfer energy

被引：104

作者：

Weber, C. ^{[1
]}

Yee, C. ^{[2
]}

Haule, K. ^{[2
]}

Kotliar, G. ^{[2
]}

机构：

[1] Univ Cambridge, Cavendish Lab, TCM Grp, Cambridge CB3 0HE, England

[2] Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USA

来源：

EPL | 2012年 / 100卷 / 03期

基金：

美国国家科学基金会;

关键词：

ELECTRONIC-STRUCTURE; STRENGTH;

D O I：

10.1209/0295-5075/100/37001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We use first-principles calculations to extract two essential microscopic parameters, the charge-transfer energy and the inter-cell oxygen-oxygen hopping, which correlate with the maximum superconducting transition temperature T-c,T- max across the cuprates. We explore the superconducting state in the three-band model of the copper-oxygen planes using cluster Dynamical Mean-Field Theory. We find that the variation in the charge-transfer energy largely accounts for the empirical trend in T-c,T- max, resolving a long-standing contradiction with theoretical calculations. Copyright (C) EPLA, 2012

引用

页数：5

共 41 条

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