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Method for calculating order parameters in superconducting superlattices

Hiroo Totsuji

DOI 10.1103/PhysRevB.45.5048 · Physical Review B

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Abstract

A method is devised to obtain the critical temperature and the behavior of the order parameter near the critical point for infinitely extended superconducting superlattices with the proximity effect in the dirty limit. This method is suitable for numerical compuations and is based on the fact that, when the unit cell is appropriately defined, the critical temperature and the order parameter in the cell are calculated as if the cell is isolated in vacuum.

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