Time-reversal symmetry-breaking states near grain boundaries between d-wave superconductors

被引：34

作者：

Fogelstrom, M ^{[1
]}

Yip, SK

机构：

[1] Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USA

[2] Abo Akad Univ, Dept Phys, SF-20500 Abo, Finland

来源：

PHYSICAL REVIEW B | 1998年 / 57卷 / 22期

关键词：

D O I：

10.1103/PhysRevB.57.R14060

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper we study the order parameter and density of states near a grain boundary between two d(x)2(-y)2 superconductors. We examine broken time-reversal symmetry near the interface. In particular we show that, under suitable circumstances, time-reversal symmetry must be broken even when the order parameter is purely d(x)2(-y)2 everywhere in space.

引用

页码：R14060 / R14063

页数：4

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