TIME-REVERSAL SYMMETRY-BREAKING IN SUPERCONDUCTORS - A PROPOSED EXPERIMENTAL TEST

被引:17
作者
BEASLEY, MR [1 ]
LEW, D [1 ]
LAUGHLIN, RB [1 ]
机构
[1] STANFORD UNIV,DEPT PHYS,STANFORD,CA 94305
来源
PHYSICAL REVIEW B | 1994年 / 49卷 / 17期
关键词
D O I
10.1103/PhysRevB.49.12330
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We propose an experiment to test for broken time-reversal symmetry in the high-temperature superconductors. We configure a superconducting quantum interference device (SQUID) in a manner similar to that used recently to test for d(x2-y2) symmetry, but where one junction is on a crystal face of arbitrary angle. Assuming a d(x2-y2) + iepsilond(xy) symmetry, we calculate the magnetic diffraction patterns for the SQUID for various values of epsilon and angle. For any nonzero epsilon, i.e., time-reversal symmetry breaking, we find a nonzero circulating current spontaneously arises in the SQUID even in zero applied magnetic field and zero bias current.
引用
收藏
页码:12330 / 12332
页数:3
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