✦ LIBER ✦

Upper critical field and glass-like phases in a superconductor with random negative-U centres

✍ Scribed by Yu.N. Gartstein; A.G. Mal'shukov

Publisher: Elsevier Science
Year: 1994
Tongue: English
Weight: 600 KB
Volume: 219
Category: Article
ISSN: 0921-4534
DOI: 10.1016/0921-4534(94)90010-8

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✦ Synopsis

We discuss a mean-field phase diagram of a metal where the superconductivity is induced by randomly distributed negative-U centres. Hez(T) dependence is analysed. The H-T phase diagram is suggested to comprise the Meissner phase, a simple vortex phase, a mixed non-ergodic state and a superconducting glass-like state in high magnetic fields.