322 research outputs found

    Thermodynamics of Crossover from Weak- to Strong-Coupling Superconductivity

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    In this paper we study an evolution of low-temperature thermodynamical quantities for an electron gas with a ÎŽ \delta -function attraction as the system crosses over from weak-coupling (BCS-type) to strong-coupling (Bose-type) superconductivity in three and two dimensions.Comment: Replaced with journal version. Insignificant presentation changes. Links to related papers are also available at the author home page http://www.teorfys.uu.se/PEOPLE/egor
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