Method in superconductivity: Application to the study of vortex lines

被引:45
作者
Leplae, L. [1 ]
Mancini, F. [1 ]
Umezawa, H. [1 ]
机构
[1] Univ Wisconsin, Dept Phys, Milwaukee, WI 53201 USA
来源
PHYSICAL REVIEW B-SOLID STATE | 1970年 / 2卷 / 09期
关键词
D O I
10.1103/PhysRevB.2.3594
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The boson method in superconductivity, developed in previous articles, is extended and applied to the problem of vortices in neutral and type-II superconductors. In the approximation considered, the distributions of current and magnetic field of a single vortex are given in the whole domain, up to the center of the flux line. Expressions for the vortex self-energy and the interaction energy between two vortices are also derived. In the limiting case in which K >> 1 (where K is the Ginzburg-Landau parameter) and the structure of the core is approximated by a 6 function, our results agree with those of Abrikosov's theory, based on the Ginzburg-Landau equations.
引用
收藏
页码:3594 / 3605
页数:12
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