Closed Abrikosov Vortices in a Superconducting Cylinder
Abstract
The new type of solutions of the London equation for type-II superconductors is obtained to describe the ring-shaped (toroidal) Abrikosov vortices. The specific feature of these solutions is the self-consistent localization of both the supercurrent and the magnetic field, enabling one to construct compact magnetic structures inside a superconductor. The torus vortex contraction caused by the vortex instability leads to the destruction of the Cooper pairing and the formation of a normal electron stream in the vicinity of the torus axis. The thermodynamic condition for the excitation of a small closed vortex by a bunch of charged particles contains the fine-structure constant as a determining parameter.
Keywords
Cite
@article{arxiv.cond-mat/9305035,
title = {Closed Abrikosov Vortices in a Superconducting Cylinder},
author = {V. A. Kozlov and A. V. Samokhvalov},
journal= {arXiv preprint arXiv:cond-mat/9305035},
year = {2009}
}
Comments
LaTex using revtex, 12 pages. 5 Figures available upon request from [email protected] Accepted for publication in Physica C