Ginzburg-Landau theory of the upper critical field in layered local-pair superconductors
Journal Article
·
· Physical Review, B: Condensed Matter
- Department of Physics, Bilkent University, Bilkent 06533, Ankara (Turkey)
The upper critical field for coupled layered superconductors with local pairs is analyzed within the mean-field approach for the anisotropic negative-{ital U} Hubbard model. Effects of reduced dimensionality are investigated by solving the Ginzburg-Landau equations to obtain critical fields for different anisotropy ratios. The Harper`s-type system of equations is solved analytically for some special field values. Limitations of Peierls substitution are also discussed.
- OSTI ID:
- 142601
- Journal Information:
- Physical Review, B: Condensed Matter, Journal Name: Physical Review, B: Condensed Matter Journal Issue: 9 Vol. 49; ISSN 0163-1829; ISSN PRBMDO
- Country of Publication:
- United States
- Language:
- English
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