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Short-range correlations in nuclear matter using Green's functions within a discrete pole approximation

2000/12/31 by Y. Dewulf, D. Van Neck, M. Waroquier · 3 citations
Physics and Astronomy · #High-Energy Particle Collisions Research #Nuclear physics research studies #Pulsars and Gravitational Waves Research #nucl-th

paper · pdf · doi:10.1016/s0370-2693(01)00560-3

published as Phys.Lett. B510 (2001) 89-97 · 9 pages, 3 eps-figures; added two tables dealing with calculations including larger sets of BAGEL-poles

arxiv created 2001/04/24 · openalex publication_date 2001/06/01 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

We treat short-range correlations in nuclear matter, induced by the repulsive core of the nucleon-nucleon potential, within the framework of a self-consistent Green's function theory. The effective in-medium interaction sums the ladder diagrams of both the particle-particle and hole-hole type. The demand of self-consistency results in a set of nonlinear equations which must be solved by iteration. We explore the possibility of approximating the single-particle Green's function by a limited number of poles and residues.

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