dorsal/arxiv
View SchemaAn Effective Lagrangian with Broken Scale and Chiral Symmetry III: Mesons at Finite Temperature
| Authors | G. W. Carter, P. J. Ellis, S. Rudaz |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9612043 |
| URL | https://arxiv.org/abs/nucl-th/9612043 |
| DOI | 10.1016/S0375-9474(97)00048-1 |
| Journal | Nucl.Phys. A618 (1997) 317-329 |
Abstract
We investigate the finite temperature behavior of the meson sector of an effective Lagrangian which describes nuclear matter. A method is developed for evaluating the logarithmic terms in the effective potential which involves expansion and resummation; the result is written in terms of the exponential integral. In the absence of explicit chiral symmetry breaking, a phase transition restores the symmetry at a temperature of 190 MeV; when the pion has a mass the transition is smooth. At a much higher temperature a first order phase transition restores scale symmetry.
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"abstract": "We investigate the finite temperature behavior of the meson sector of an\neffective Lagrangian which describes nuclear matter. A method is developed for\nevaluating the logarithmic terms in the effective potential which involves\nexpansion and resummation; the result is written in terms of the exponential\nintegral. In the absence of explicit chiral symmetry breaking, a phase\ntransition restores the symmetry at a temperature of 190 MeV; when the pion has\na mass the transition is smooth. At a much higher temperature a first order\nphase transition restores scale symmetry.",
"arxiv_id": "nucl-th/9612043",
"authors": [
"G. W. Carter",
"P. J. Ellis",
"S. Rudaz"
],
"categories": [
"nucl-th",
"hep-ph"
],
"doi": "10.1016/S0375-9474(97)00048-1",
"journal_ref": "Nucl.Phys. A618 (1997) 317-329",
"title": "An Effective Lagrangian with Broken Scale and Chiral Symmetry III: Mesons at Finite Temperature",
"url": "https://arxiv.org/abs/nucl-th/9612043"
},
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