Spontaneous magnetic-flux generation in superconducting ring

被引：18
|
作者：
Ghinovker, M [1 ]
Shapiro, BY [1 ]
Shapiro, I [1 ]
机构：
[1] Bar Ilan Univ, Dept Phys, Inst Superconduct, IL-52900 Ramat Gan, Israel
来源：
EUROPHYSICS LETTERS | 2001年 / 53卷 / 02期
关键词：
D O I：
10.1209/epl/i2001-00143-x
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The Kibble-Zurek scenario for nucleation of topological defects of the order parameter during a symmetry-breaking phase transition in a. superconducting ring is investigated. Solving numerically the set of time-dependent Ginzburg-Landau (TDGL) equations coupled with the temperature diffusion equation, we predict spontaneous generation of the magnetic flux inside the superconducting ring. Josephson weak links in the ring increase the magnitude of the spontaneously generated magnetic flux.
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页码：240 / 245
页数：6
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