CHIRAL-SYMMETRY BREAKING IN 3-DIMENSIONAL QED WITH 4-FERMI INTERACTIONS AT FINITE-TEMPERATURE

Using the 1/N expansion, we study dynamical chiral symmetry breaking in three-dimensional QED with four-Fermi interactions at finite temperature. We numerically solve the temperature-dependent Schwinger-Dyson equation for the fermion self-energy and obtain the solutions which depend on momentum as well as temperature. We find a critical temperature above which chiral symmetry is restored. The results show the existence of a critical N which depends on temperature. The phase diagram for dynamical mass generation is shown in the N-g plane.
Publisher
Amer Physical Soc
Issue Date
1993
Language
ENG
Keywords

2+1 DIMENSIONS; 2-DIMENSIONAL SUPERCONDUCTIVITY; CRITICAL-BEHAVIOR; PARITY; VIOLATION; MODEL

Citation

PHYSICAL REVIEW D, v.48, no.2, pp.915 - 920

ISSN
0556-2821
URI
http://hdl.handle.net/10203/57397
Appears in Collection
PH-Journal Papers(저널논문)
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