Impurity effect on Kramer-Pesch core shrinkage in s-wave vortex and chiral p-wave vortex

被引：32

作者：

Hayashi, N ^{[1
]}

Kato, Y

Sigrist, M

机构：

[1] ETH Honggerberg, Inst Theoret Phys, CH-8093 Zurich, Switzerland

[2] Univ Tokyo, Dept Basic Sci, Tokyo 1538902, Japan

来源：

JOURNAL OF LOW TEMPERATURE PHYSICS | 2005年 / 139卷 / 1-2期

基金：

英国科研创新办公室; 日本学术振兴会;

关键词：

D O I：

10.1007/s10909-005-3914-3

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The low-temperature shrinking of the vortex core (Kramer-Pesch effect) is studied for an isolated single vortex for chiral p-wave and s-wave superconducting phases. The effect of nonmagnetic impurities on the vortex core radius is numerically investigated in the Born limit by means of a quasiclassical approach. It is shown that in the chiral p-wave phase the Kramer-Pesch effect displays a certain robustness against impurities owing to a specific quantum effect, while the s-wave phase reacts more sensitively to impurity scattering. This suggests chiral p-wave superconductors as promising candidates for the experimental observation of the Kramer-Pesch effect.

引用

页码：79 / 96

页数：18

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