skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Pairing properties of nucleonic matter employing dressed nucleons

Abstract

A survey of pairing properties of nucleonic matter is presented that includes the off-shell propagation associated with short-range and tensor correlations. For this purpose, the gap equation has been solved in its most general form employing the complete energy and momentum dependence of the normal self-energy contributions. The latter correlations include the self-consistent calculation of the nucleon self-energy that is generated by the summation of ladder diagrams. This treatment preserves the conservation of particle number unlike approaches in which the self-energy is based on the Brueckner-Hartree-Fock approximation. A huge reduction in the strength as well as temperature and density range of {sup 3}S{sub 1}-{sup 3}D{sub 1} pairing is obtained for nuclear matter as compared to the standard BCS treatment. Similar dramatic results pertain to {sup 1}S{sub 0} pairing of neutrons in neutron matter.

Authors:
 [1];  [2]
  1. Institut fuer Theoretische Physik, Universitaet Tuebingen, D-72076 Tuebingen (Germany)
  2. Department of Physics, Washington University, St. Louis, Missouri 63130 (United States)
Publication Date:
OSTI Identifier:
20699118
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review. C, Nuclear Physics; Journal Volume: 72; Journal Issue: 5; Other Information: DOI: 10.1103/PhysRevC.72.054313; (c) 2005 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; BCS THEORY; CORRELATIONS; HARTREE-FOCK METHOD; INTERACTION RANGE; NEUTRONS; NUCLEAR MATTER; PAIRING INTERACTIONS; SELF-ENERGY; TENSORS

Citation Formats

Muether, H., and Dickhoff, W.H. Pairing properties of nucleonic matter employing dressed nucleons. United States: N. p., 2005. Web. doi:10.1103/PhysRevC.72.054313.
Muether, H., & Dickhoff, W.H. Pairing properties of nucleonic matter employing dressed nucleons. United States. doi:10.1103/PhysRevC.72.054313.
Muether, H., and Dickhoff, W.H. Tue . "Pairing properties of nucleonic matter employing dressed nucleons". United States. doi:10.1103/PhysRevC.72.054313.
@article{osti_20699118,
title = {Pairing properties of nucleonic matter employing dressed nucleons},
author = {Muether, H. and Dickhoff, W.H.},
abstractNote = {A survey of pairing properties of nucleonic matter is presented that includes the off-shell propagation associated with short-range and tensor correlations. For this purpose, the gap equation has been solved in its most general form employing the complete energy and momentum dependence of the normal self-energy contributions. The latter correlations include the self-consistent calculation of the nucleon self-energy that is generated by the summation of ladder diagrams. This treatment preserves the conservation of particle number unlike approaches in which the self-energy is based on the Brueckner-Hartree-Fock approximation. A huge reduction in the strength as well as temperature and density range of {sup 3}S{sub 1}-{sup 3}D{sub 1} pairing is obtained for nuclear matter as compared to the standard BCS treatment. Similar dramatic results pertain to {sup 1}S{sub 0} pairing of neutrons in neutron matter.},
doi = {10.1103/PhysRevC.72.054313},
journal = {Physical Review. C, Nuclear Physics},
number = 5,
volume = 72,
place = {United States},
year = {Tue Nov 01 00:00:00 EST 2005},
month = {Tue Nov 01 00:00:00 EST 2005}
}