ELLIPSOMETRY AND BROKEN TIME-REVERSAL SYMMETRY IN THE HIGH-TEMPERATURE SUPERCONDUCTORS

被引：26

作者：

CANRIGHT, GS ^{[1
]}

ROJO, AG ^{[1
]}

机构：

[1] OAK RIDGE NATL LAB,DIV SOLID STATE,OAK RIDGE,TN 37831

来源：

PHYSICAL REVIEW B | 1992年 / 46卷 / 21期

关键词：

D O I：

10.1103/PhysRevB.46.14078

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We discuss ellipsometric experiments seeking evidence of broken time-reversal symmetry in the high-temperature copper oxide superconductors. We use both a generalized symmetry analysis, and a magnetoelectric model suggested by Dzyaloshinskii, to argue that the hypothesis that best fits the various experimental results is the PT-invariance hypothesis-which assumes broken T symmetry in each plane, and antiferromagnetic (alternating) order of the broken symmetry in the c direction. We suggest two experimental tests of the PT-invariant model; one of these is sufficient to rule out any other broken-symmetry state and so has the potential to be extremely useful.

引用

页码：14078 / 14088

页数：11

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