Toward an Ab-initio Description of Quasiparticle Properties

Details Toward an Ab-initio Description of Quasiparticle Properties Toward an Ab-initio Description of Quasiparticle Properties

2009-09-02

arxiv.org/abs/0909.0336v2

Physics

Nuclear Physics

Nuclear Theory

Minor corrections and references added -- Proceedings of the Varenna conference, June 15-19, 2009

Scientific paper

Preliminary ab-initio applications of many-body Green's functions theory to the ground state of He-4 suggest that high accuracy can be achieved in the so-called Faddeev-random-phase-approximation method. We stress the potentialities of this approach for microscopic studies of medium-large nuclei and report applications to 1s0d and 1p0f-shell nuclei. In particular, we discuss the role of long-range correlations on spectroscopic factors and their dependence on asymmetry.

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