An improvement on RPA based on a Boson mapping

1998/02/14 by Shi-Lin Zhu, Zhi-ning Zhou, Ze-sen Yang
Physics and Astronomy · #nucl-th

paper · pdf

published as Commun.Theor.Phys. 27 (1997) 377

arxiv created 1998/02/14 · arxiv updated 2009/12/01

Abstract

We use a solvable model to perform modified dyson mapping and reveal the unphysical-state effects in the original Random Phase Approximation (RPA). We then propose a method to introduce the RPA and improve it based on a Boson mapping.

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