Critical temperature and energy gap for the BCS equation

We derive upper and lower bounds on the critical temperature T{sub c} and the energy gap {xi} (at zero temperature) for the BCS gap equation, describing spin-(1/2) fermions interacting via a local two-body interaction potential {lambda}V(x). At weak coupling {lambda}

Bibliographische Detailangaben

Veröffentlicht in:	Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2008-05, Vol.77 (18), Article 184517
Hauptverfasser:	Hainzl, Christian, Seiringer, Robert
Format:	Artikel
Sprache:	eng
Schlagworte:	BCS THEORY CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY COUPLING CRITICAL TEMPERATURE ENERGY GAP EQUATIONS FERMIONS INTERACTIONS POTENTIALS SCATTERING LENGTHS SPIN TEMPERATURE ZERO K TWO-BODY PROBLEM
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