Integral representation of the RPA correlation energy

Phys.Rev.Lett. 83 (1999) 280-283 Using the spectral function F'(z)/F(z) the RPA correlation energy and other properties of a finite system can be written as a contour integral in a compact way. This yields a transparent expression and reduces drastically the numerical efforts for obtaining reli...

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Bibliographic Details
Main Authors Doenau, F, Almehed, D, Nazmitdinov, R. G
Format Journal Article
LanguageEnglish
Published 25.02.1999
Subjects
Physics - Nuclear Theory
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Summary:Phys.Rev.Lett. 83 (1999) 280-283 Using the spectral function F'(z)/F(z) the RPA correlation energy and other properties of a finite system can be written as a contour integral in a compact way. This yields a transparent expression and reduces drastically the numerical efforts for obtaining reliable values. The method applied to pairing vibrations in rotating nuclei as an illustrative example.
DOI:10.48550/arxiv.nucl-th/9902073