Coexistence of different symmetry order parameters near a surface in d-wave superconductors .2.

被引：172

作者：

Matsumoto, M ^{[1
]}

Shiba, H ^{[1
]}

机构：

[1] TOKYO INST TECHNOL, DEPT PHYS, TOKYO 152, JAPAN

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1995年 / 64卷 / 12期

关键词：

d-wave superconductor; time-reversal-breaking state; surface current; quasi-classical Green function;

D O I：

10.1143/JPSJ.64.4867

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In a previous paper a possibility of coexistence of two superconducting order parameters was discussed for the (1, 1, 0) surface of d(x?2-y?2)-wave superconductors. In the present report physical properties are examined particularly for the time-reversal-breaking stare (s+/-id) near the (1, 1, 0) surface. The nature of coexisting order parameters shows up in the local density of states. It is also shown that the superconducting current flows along the surface due to the time reversal breaking and induces the magnetic field. The induced magnetic field can be used to detect the time-reversal-breaking stares experimentally.

引用

页码：4867 / 4881

页数：15

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