Nonlocal Ginzburg-Landau theory for superconductors

被引：5
|
作者：
Koyama, T. [1 ,3 ]
Machida, M. [2 ,3 ]
机构：
[1] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan
[2] Japan Atom Energy Agcy, CCSE, Tokyo 1100015, Japan
[3] JST CREST, Kawaguchi, Saitama 3320012, Japan
来源：
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2013年 / 484卷
关键词：
Ginzburg-Landau theory; Vortex; Attractive interaction; ORDER; TRANSITION;
D O I：
10.1016/j.physc.2012.02.019
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The conventional Ginzburg-Landau (GL) theory is extended to a nonlocal one. In this nonlocal GL theory the superconducting current becomes nonlocal. The magnetic field distribution calculated in the single vortex state indicates that the interaction between vortices has an attractive part in low-kappa type II superconductors with kappa < kappa(c) similar to 1. The attractive interaction causes the first-order transition at H-c1. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：100 / 103
页数：4
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