dorsal/arxiv
View SchemaChemical potential dependence of pi and rho properties
| Authors | P. Maris, C. D. Roberts, S. Schmidt |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9801059 |
| URL | https://arxiv.org/abs/nucl-th/9801059 |
| DOI | 10.1103/PhysRevC.57.2821 |
| Journal | Phys.Rev.C57:2821-2825,1998 |
Abstract
Using a confining, Dyson-Schwinger equation model of QCD at finite temperature (T) and chemical potential (mu) we study the behaviour of <q-bar q>, m_pi, f_pi and the masses of the rho- and phi-mesons. For each of these quantities there is a necessary anticorrelation between its response to T and its response to mu. (-<q-bar q>) and f_pi decrease with T and increase with mu; m_pi is almost insensitive to T and mu until very near the border of the confinement domain; and the mass of the longitudinal component of the vector mesons increases with T and decreases with mu. At T=0, the rho-meson mass is reduced by approximately 15% at nuclear matter density. These results are a consequence of the necessary momentum-dependence of the dressed-quark self-energy.
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"abstract": "Using a confining, Dyson-Schwinger equation model of QCD at finite\ntemperature (T) and chemical potential (mu) we study the behaviour of \u003cq-bar\nq\u003e, m_pi, f_pi and the masses of the rho- and phi-mesons. For each of these\nquantities there is a necessary anticorrelation between its response to T and\nits response to mu. (-\u003cq-bar q\u003e) and f_pi decrease with T and increase with mu;\nm_pi is almost insensitive to T and mu until very near the border of the\nconfinement domain; and the mass of the longitudinal component of the vector\nmesons increases with T and decreases with mu. At T=0, the rho-meson mass is\nreduced by approximately 15% at nuclear matter density. These results are a\nconsequence of the necessary momentum-dependence of the dressed-quark\nself-energy.",
"arxiv_id": "nucl-th/9801059",
"authors": [
"P. Maris",
"C. D. Roberts",
"S. Schmidt"
],
"categories": [
"nucl-th",
"hep-ph"
],
"doi": "10.1103/PhysRevC.57.2821",
"journal_ref": "Phys.Rev.C57:2821-2825,1998",
"title": "Chemical potential dependence of pi and rho properties",
"url": "https://arxiv.org/abs/nucl-th/9801059"
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