Finite Temperature SD Equation for Chiral Symmetry Restoration in Dual Ginzburg-Landau Theory

1996/09/27 by Sasaki, Shoichi, Suganuma, Hideo, Toki, Hiroshi
#FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph)

paper · doi:10.48550/arxiv.hep-ph/9609505

Abstract

We study the chiral phase transition at T≠ 0 in the dual Ginzburg-Landau theory using the Schwinger-Dyson (SD) equation. In order to solve the SD equation at T≠ 0, we provide a new ansatz for the quark self-energy in the imaginary-time formalism. The recovery of the chiral symmetry is found at T__C∼ 100 MeV with realistic parameters, which are set by reproducing the values of the string tension √σ≃ 0.44 GeV and the chiral condensate < qq > ≃ -(250 MeV³ at T=0.

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