Self Consistent and Renormalized particle-particle RPA in a Schematic Model

Details Self Consistent and Renormalized particle-particle RPA in a Schematic Model Self Consistent and Renormalized particle-particle RPA in a Schematic Model

1998-07-17

arxiv.org/abs/nucl-th/9807047v1

Phys.Rev.C58:1841-1844,1998

Physics

Nuclear Physics

Nuclear Theory

11 pages, revtex, 3ps figures, to appear in Phys. Rev. C

Scientific paper

10.1103/PhysRevC.58.1841

The dynamical effects of ground state correlations for excitation energies and transition strengths near the superfluid phase transition are studied in the soluble two level pairing model, in the context of the particle-particle self consistent Random Phase Approximation (SCRPA). Exact results are well reproduced across the transition region, beyond the collapse of the standard particle-particle Random Phase Approximation. The effects of two-body correlation in the SCRPA are displayed explicitly.

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