Vortex states in superconducting rings

Preprint

10 January 2000

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.cond-mat/9910030

Abstract

The superconducting state of a thin superconducting disk with a hole is studied within the non-linear 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 multi-vortex state is found if the disk is sufficiently large. Breaking the circular summetry through a non central location of the hole in the disk enhances the multi-vortex state.

Keywords

SUPERCONDUCTING RINGS
SUPERCONDUCTING STATE
THIN SUPERCONDUCTING
MULTI VORTEX STATE
VORTEX STATE
STABILIZED
QUANTIZED

All Related Versions

Version 1, 1999-10-04, ArXiv
Version 2, 2000-01-10, ArXiv
Published version: Physical Review B, 61 (14), 9734.

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