In medium T-matrix for superfluid nuclear matter

Details In medium T-matrix for superfluid nuclear matter In medium T-matrix for superfluid nuclear matter

2001-07-19

arxiv.org/abs/nucl-th/0107055v2

Phys.Rev.C65:034327,2002

Physics

Nuclear Physics

Nuclear Theory

38 pages, 19 figures, Introduction rewritten, Refs. added

Scientific paper

10.1103/PhysRevC.65.034327

We study a generalized ladder resummation in the superfluid phase of the nuclear matter. The approach is based on a conserving generalization of the usual T-matrix approximation including also anomalous self-energies and propagators. The approximation here discussed is a generalization of the usual mean-field BCS approach and of the in medium T-matrix approximation in the normal phase. The numerical results in this work are obtained in the quasi-particle approximation. Properties of the resulting self-energy, superfluid gap and spectral functions are studied.

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