Chiral phase transition and critical end point in QED sub(3)

In the framework of the truncated Dyson-Schwinger equation for the fermion propagator, we investigate the chiral and fermion number susceptibility at finite temperature and chemical potential in quantum electrodynamics in (2 + 1) dimensions (QED sub(3)). The critical end point in the phase diagram o...

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Bibliographic Details
Published in:Physical review. D, Particles, fields, gravitation, and cosmology Particles, fields, gravitation, and cosmology, 2012-09, Vol.86 (6)
Main Authors: Feng, Hongtao, Shi, Song, Yin, Peilin, Zong, Hongshi
Format: Article
Language:English
Subjects:
Chemical potential
Cosmology
Fermions
Gravitation
Mathematical analysis
Phase diagrams
Phase transformations
Quantum electrodynamics
Online Access:Get full text
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Summary:In the framework of the truncated Dyson-Schwinger equation for the fermion propagator, we investigate the chiral and fermion number susceptibility at finite temperature and chemical potential in quantum electrodynamics in (2 + 1) dimensions (QED sub(3)). The critical end point in the phase diagram of QED sub(3) is identified, and the behavior of these two susceptibilities around the critical end point is highlighted.
ISSN:1550-7998
1550-2368