First-order vortex unbinding transition in thin superconducting films
Journal Article
·
· Physical Review, B: Condensed Matter
- Physical Department, Moscow State University, 119899, Moscow (Russia)
- Institute for High Pressure Physics, Russian Academy of Sciences, Troitsk 142092, Moscow region (Russia)
The vortex unbinding transition in thin superconducting films is discussed within the cycle approximation, taking into account a vortex core shape. It is shown that for large core energies the universal Kosterlitz-Thouless-like behavior takes place in the vicinity of the characteristic transition temperature {ital T}{sub KT}, while for low core energies the vortex-antivortex pair unbinding occurs through a first-order transition. {copyright} {ital 1996 The American Physical Society.}
- OSTI ID:
- 286664
- Journal Information:
- Physical Review, B: Condensed Matter, Vol. 54, Issue 5; Other Information: PBD: Aug 1996
- Country of Publication:
- United States
- Language:
- English
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