Chiral-symmetry breaking in QCD at finite temperature and density

We make a theoretical study of chiral symmetry breaking for a QCD-like gauge theory at finite temperature and density. We use a composite-operator functional formalism based on an effective action extending previous calculations for zero temperature and density. Study of the phase diagram shows the...

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Bibliographic Details
Published in:Physics letters. B 1989-11, Vol.231 (4), p.463-470
Main Authors: Barducci, A., Casalbuoni, R., De Curtis, S., Gatto, R., Pettini, G.
Format: Article
Language:English
Subjects:
Classical and quantum physics: mechanics and fields
Exact sciences and technology
Physics
Theory of quantized fields
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Summary:We make a theoretical study of chiral symmetry breaking for a QCD-like gauge theory at finite temperature and density. We use a composite-operator functional formalism based on an effective action extending previous calculations for zero temperature and density. Study of the phase diagram shows the existence on the critical line of a point separating second order from first order phase transitions.
ISSN:0370-2693
1873-2445
DOI:10.1016/0370-2693(89)90695-3