Structure of Chiral Phase Transitions at Finite Temperature in Abelian Gauge Theories | Zendy

Kenji Fukazawa | Zendy; Tomohiro Inagaki | Zendy; S. Mukaigawa | Zendy; T. Muta | Zendy

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Structure of Chiral Phase Transitions at Finite Temperature in Abelian Gauge Theories

Author(s) -

Kenji Fukazawa,

Tomohiro Inagaki,

S. Mukaigawa,

T. Muta

Publication year - 2001

Publication title -

progress of theoretical physics

Language(s) - English

Resource type - Journals

eISSN - 1347-4081

pISSN - 0033-068X

DOI - 10.1143/ptp.105.979

Subject(s) - physics , propagator , chiral symmetry breaking , phase diagram , phase transition , gauge theory , chiral anomaly , chiral symmetry , quantum electrodynamics , abelian group , mathematical physics , symmetry breaking , quantum mechanics , phase (matter) , quantum chromodynamics , mathematics , combinatorics

The mechanism of the chiral symmetry breaking is investigated in thestrong-coupling Abelian gauge theories at finite temperature. TheSchwinger-Dyson equation in Landau gauge is employed in the real time formalismand is solved numerically within the framework of the instantaneous exchangeapproximation including the effect of the hard thermal loop for the photonpropagator. It is found that the chiral symmetry is broken below the criticaltemperature T for sufficiently large coupling. The chiral phase transition isfound to be of the 2nd order and the phase diagram on the $T-\alpha$ plane isobtained. It is investigated how the structure of the chiral phase transitionis affected by the hard thermal loops in the photon propagator.Comment: 15pages, uses epic.sty and eepic.st

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