The onset of vortex penetration into a hard superconductor induced by the rotation of an applied magnetic field

Citation
Lm. Fisher et al., The onset of vortex penetration into a hard superconductor induced by the rotation of an applied magnetic field, PHYSICA C, 336(1-2), 2000, pp. 85-92
Citations number
19
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
PHYSICA C
ISSN journal
09214534 → ACNP
Volume
336
Issue
1-2
Year of publication
2000
Pages
85 - 92
Database
ISI
SICI code
0921-4534(20000701)336:1-2<85:TOOVPI>2.0.ZU;2-G
Abstract
The onset of a vortex penetration into a hard isotropic superconductor afte r the rotation of an applied magnetic field (H) over right arrow is theoret ically studied. On the basis of the Gibbs formalism, macroscopic equations describing this process are derived. Different magnetic prehistories are co nsidered. It is shown that vortices entering into a sample are not parallel to the direction of (H) over right arrow. The angle between the vortices a nd (H) over right arrow can be unexpectedly large and reach pi/2. (C) 2000 Elsevier Science B.V. All rights reserved.