dorsal/arxiv
View SchemaPairing properties of nucleonic matter employing dressed nucleons
| Authors | H. Müther, W. H. Dickhoff |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0508035 |
| URL | https://arxiv.org/abs/nucl-th/0508035 |
| DOI | 10.1103/PhysRevC.72.054313 |
| Journal | Phys.Rev. C72 (2005) 054313 |
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 ${}^3S_1$-${}^3D_1$ pairing is obtained for nuclear matter as compared to the standard BCS treatment. Similar dramatic results pertain to ${}^1S_0$ pairing of neutrons in neutron matter.
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"abstract": "A survey of pairing properties of nucleonic matter is presented that includes\nthe off-shell propagation associated with short-range and tensor correlations.\nFor this purpose, the gap equation has been solved in its most general form\nemploying the complete energy and momentum dependence of the normal self-energy\ncontributions. The latter correlations include the self-consistent calculation\nof the nucleon self-energy that is generated by the summation of ladder\ndiagrams. This treatment preserves the conservation of particle number unlike\napproaches in which the self-energy is based on the Brueckner-Hartree-Fock\napproximation. A huge reduction in the strength as well as temperature and\ndensity range of ${}^3S_1$-${}^3D_1$ pairing is obtained for nuclear matter as\ncompared to the standard BCS treatment. Similar dramatic results pertain to\n${}^1S_0$ pairing of neutrons in neutron matter.",
"arxiv_id": "nucl-th/0508035",
"authors": [
"H. M\u00fcther",
"W. H. Dickhoff"
],
"categories": [
"nucl-th"
],
"doi": "10.1103/PhysRevC.72.054313",
"journal_ref": "Phys.Rev. C72 (2005) 054313",
"title": "Pairing properties of nucleonic matter employing dressed nucleons",
"url": "https://arxiv.org/abs/nucl-th/0508035"
},
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