Dual fermion condensate and phase transition in QED_3

In this paper,we investigate the behaviors of dual fermion condensate in QED 3 under variation of temperature.By means of Dyson-Schwinger equation for the fermion propagator,we extract the dual fermion condensate and compare its behavior with the ordinary chiral fermion condensate and the chiral sus...

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Bibliographic Details
Published in:中国科学：物理学、力学、天文学英文版 2013 (6), p.1116-1119
Main Author: FENG HongTao YIN PeiLin SUN WeiMin ZONG HongShi
Format: Article
Language:English
Subjects:
QED
凝析油
序参数
易感性
温度变化
相变点
薛定谔方程
费米子
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Summary:In this paper,we investigate the behaviors of dual fermion condensate in QED 3 under variation of temperature.By means of Dyson-Schwinger equation for the fermion propagator,we extract the dual fermion condensate and compare its behavior with the ordinary chiral fermion condensate and the chiral susceptibility.It is found that the dual fermion condensate cannot be regarded as the order parameter for the confinement-deconfinement phase transition in QED 3.Furthermore,the change of the dual fermion condensate around the chiral phase transition point observed in the present work must therefore be interpreted as solely induced by the chiral transition.
ISSN:1674-7348
1869-1927