Enhancement of pairing due to the presence of resonant cavities

Details Enhancement of pairing due to the presence of resonant cavities Enhancement of pairing due to the presence of resonant cavities

2005-06-22

arxiv.org/abs/cond-mat/0506560v1

Phys.Rev. B72 (2005) 174504

Physics

Condensed Matter

Superconductivity

4 pages 2 figures

Scientific paper

10.1103/PhysRevB.72.174504

A correlated fermion system is considered surrounding a finite cavity with virtual levels. The pairing properties are calculated and the influence of the cavity is demonstrated. To this end the Gell-Mann and Goldberger formula is generalized to many-body systems. We find a possible enhancement of pairing temperature if the Fermi momentum times the cavity radius fulfills a certain resonance condition which suggests an experimental realization.

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