dorsal/arxiv
View SchemaCritical Enhancement of the In-medium Nucleon-Nucleon Cross Section at low Temperatures
| Authors | T. Alm, G. Roepke, M. Schmidt |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9404014 |
| URL | https://arxiv.org/abs/nucl-th/9404014 |
| DOI | 10.1103/PhysRevC.50.31 |
| Journal | Phys.Rev.C50:31-37,1994 |
Abstract
The in-medium nucleon-nucleon cross section is calculated starting from the thermodynamic T-matrix at finite temperatures. The corresponding Bethe-Salpeter-equation is solved using a separable representation of the Paris nucleon-nucleon-potential. The energy-dependent in-medium N-N cross section at a given density shows a strong temperature dependence. Especially at low temperatures and low total momenta, the in-medium cross section is strongly modified by in-medium effects. In particular, with decreasing temperature an enhancement near the Fermi energy is observed. This enhancement can be discussed as a precursor of the superfluid phase transition in nuclear matter.
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"abstract": "The in-medium nucleon-nucleon cross section is calculated starting from the\nthermodynamic T-matrix at finite temperatures. The corresponding\nBethe-Salpeter-equation is solved using a separable representation of the Paris\nnucleon-nucleon-potential. The energy-dependent in-medium N-N cross section at\na given density shows a strong temperature dependence. Especially at low\ntemperatures and low total momenta, the in-medium cross section is strongly\nmodified by in-medium effects. In particular, with decreasing temperature an\nenhancement near the Fermi energy is observed. This enhancement can be\ndiscussed as a precursor of the superfluid phase transition in nuclear matter.",
"arxiv_id": "nucl-th/9404014",
"authors": [
"T. Alm",
"G. Roepke",
"M. Schmidt"
],
"categories": [
"nucl-th"
],
"doi": "10.1103/PhysRevC.50.31",
"journal_ref": "Phys.Rev.C50:31-37,1994",
"title": "Critical Enhancement of the In-medium Nucleon-Nucleon Cross Section at low Temperatures",
"url": "https://arxiv.org/abs/nucl-th/9404014"
},
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