Impurity Effects in a Vortex Core in a Chiral p-Wave Superconductor Within the t-Matrix Approximation

被引：0
|
作者：
Noriyuki Kurosawa
Nobuhiko Hayashi
Emiko Arahata
Yusuke Kato
机构：
[1] The University of Tokyo,Department of Basic Science
[2] Osaka Prefecture University,NanoSquare Research Center (N2RC)
[3] The University of Tokyo,Institute of Industrial Science
来源：
Journal of Low Temperature Physics | 2014年 / 175卷
关键词：
Superconductivity; Vortex; Impurity scattering;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We study the effects of non-magnetic impurity scattering on the Andreev bound states (ABS) in an isolated vortex in two-dimensional chiral p-wave superconductors numerically. We incorporate the impurity scattering effects into the quasiclassical Eilenberger formulation through the self-consistent t-matrix approximation. Within this scheme, we calculate the local density of states (LDOS) around two types of vortices: “parallel” (“anti-parallel”) vortex where the phase winding of the pair-potential coming from the vorticity and that coming from the chirality have the same (opposite) sign.
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页码：365 / 371
页数：6
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