Vortex states in superconducting rings

被引：83

作者：

Baelus, BJ ^{[1
]}

Peeters, FM ^{[1
]}

Schweigert, VA ^{[1
]}

机构：

[1] Univ Instelling Antwerp, Dept Nat Kunde, B-2610 Antwerp, Belgium

来源：

PHYSICAL REVIEW B | 2000年 / 61卷 / 14期

关键词：

D O I：

10.1103/PhysRevB.61.9734

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The superconducting state. of a thin superconducting disk with a hole is studied within the, nonlinear Ginzburg-Landau theory in which the demagnetization effect is accurately taken into account. We find that the flux through the hole is not quantized, the superconducting state is stabilized with increasing size of the hole for fixed radius of the disk, and a transition to a multivortex state is found if the disk is sufficiently large. Breaking the circular symmetry through a non-central-location of the hole in the disk favors the multivortex state.

引用

页码：9734 / 9747

页数：14