Integral representation of the RPA correlation energy

Details Integral representation of the RPA correlation energy Integral representation of the RPA correlation energy

1999-02-25

arxiv.org/abs/nucl-th/9902073v1

Phys.Rev.Lett. 83 (1999) 280-283

Physics

Nuclear Physics

Nuclear Theory

9 pages, 2 figures (eps files)

Scientific paper

10.1103/PhysRevLett.83.280

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.

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