Tail states in a superconductor with magnetic impurities

Citation
A. Lamacraft et Bd. Simons, Tail states in a superconductor with magnetic impurities, PHYS REV L, 85(22), 2000, pp. 4783-4786
Citations number
34
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW LETTERS
ISSN journal
00319007 → ACNP
Volume
85
Issue
22
Year of publication
2000
Pages
4783 - 4786
Database
ISI
SICI code
0031-9007(20001127)85:22<4783:TSIASW>2.0.ZU;2-X
Abstract
A field theoretic approach is developed to investigate the profile and spec trum of subgap states in a superconductor subject to a weak magnetic impuri ty potential. Such states are found to be associated with spatially inhomog eneous instanton configurations of the action.