Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1999-10-12
Prog.Theor.Phys. 105 (2001) 979-998
Physics
High Energy Physics
High Energy Physics - Phenomenology
15pages, uses epic.sty and eepic.sty
Scientific paper
10.1143/PTP.105.979
The mechanism of the chiral symmetry breaking is investigated in the strong-coupling Abelian gauge theories at finite temperature. The Schwinger-Dyson equation in Landau gauge is employed in the real time formalism and is solved numerically within the framework of the instantaneous exchange approximation including the effect of the hard thermal loop for the photon propagator. It is found that the chiral symmetry is broken below the critical temperature T for sufficiently large coupling. The chiral phase transition is found to be of the 2nd order and the phase diagram on the $T-\alpha$ plane is obtained. It is investigated how the structure of the chiral phase transition is affected by the hard thermal loops in the photon propagator.
Fukazawa Kenji
Inagaki Tomohiro
Mukaigawa Seiji
Muta Taizo
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