dorsal/arxiv
View SchemaCalculating the critical exponents of the chiral phase transition
| Authors | P. Maris |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9908069 |
| URL | https://arxiv.org/abs/nucl-th/9908069 |
Abstract
We calculate the critical exponents of the chiral phase transition at nonzero temperature using the thermal and chiral susceptibilities. We show that within a class of confining Dyson-Schwinger equation (DSE) models the transition is mean field, and that an accurate determination of the critical exponents requires extremely small values of the current-quark mass, several order of magnitude smaller than realistic up- and down-quark masses. In general, rainbow truncation models of QCD exhibit mean field exponents as a result of the gap equation's fermion substructure.
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"abstract": "We calculate the critical exponents of the chiral phase transition at nonzero\ntemperature using the thermal and chiral susceptibilities. We show that within\na class of confining Dyson-Schwinger equation (DSE) models the transition is\nmean field, and that an accurate determination of the critical exponents\nrequires extremely small values of the current-quark mass, several order of\nmagnitude smaller than realistic up- and down-quark masses. In general, rainbow\ntruncation models of QCD exhibit mean field exponents as a result of the gap\nequation\u0027s fermion substructure.",
"arxiv_id": "nucl-th/9908069",
"authors": [
"P. Maris"
],
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"title": "Calculating the critical exponents of the chiral phase transition",
"url": "https://arxiv.org/abs/nucl-th/9908069"
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