Bipolaron density-wave driven by antiferromagnetic correlations and frustration in organic superconductors

被引：5

作者：

Clay, R. T. ^{[1
,2
]}

Li, H. ^{[3
]}

Mazumdar, S. ^{[3
]}

机构：

[1] Mississippi State Univ, Dept Phys & Astron, Mississippi State, MS 39762 USA

[2] Mississippi State Univ, Ctr Computat Sci HPC2, Mississippi State, MS USA

[3] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA

来源：

PHYSICA B-CONDENSED MATTER | 2010年 / 405卷 / 11期

关键词：

Frustration; Charge order; Superconductivity; STATE;

D O I：

10.1016/j.physb.2009.11.091

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We describe the paired electron crystal (PEC) which occurs in the interacting frustrated two-dimensional 1/4 filled band The PEC is a charge-ordered state with nearest-neighbor spin singlets separated by pairs of vacant sites and can be thought of as a bipolaron density wave The PEC has been experimentally observed in the insulating state proximate to superconductivity in the organic charge-transfer solids Increased frustration drives a PEC-to-superconductor transition in these systems (C) 2009 Elsevier B V All rights reserved

引用

页码：S253 / S255

页数：3

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