Thermodynamics of the crossover from weak- to strong-coupling superconductivity
Egor Babaev
DOI 10.1103/PhysRevB.63.184514 · Physical Review B
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Abstract
In this paper we study an evolution of low-temperature thermodynamical quantities for an electron gas with a δ-function attraction as the system crosses over from weak-coupling (BCS-type) to strong-coupling (Bose-type) superconductivity in three and two dimensions.
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