Scaling in the BCS to Bose crossover problem in different partial waves
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Data
1997-01-01
Autores
Adhikari, Sadhan K. [UNESP]
Ghosh, Angsula [UNESP]
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The BCS superconductivity to Bose condensation crossover problem is studied in two dimensions in S, P, and D waves, for a simple anisotropic pairing, with a finite-range separable potential at zero temperature. The gap parameter and the chemical potential as a function of Cooper-pair binding B c exhibit universal scaling. In the BCS limit the results for coherence length ΞΎ and the critical temperature T c are appropriate for highT c cuprate superconductors and also exhibit universal scaling as a function of B c.
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Physical Review B - Condensed Matter and Materials Physics, v. 55, n. 2, p. 1110-1113, 1997.