Dynamical mass generation in QED(3) beyond the instantaneous approximation

doi:10.1088/1674-1137/41/7/073102

	Dynamical mass generation in QED(3) beyond the instantaneous approximation
	Xiao, Hai-Xiao 1,2; Li, Jian-Feng 1,2,3; Wei, Wei 1,2; Yin, Pei-Lin 4; Zong, Hong-Shi 1,2,5,6
刊名	CHINESE PHYSICS C
	2017-07-01
卷号	41 期号:7 页码:8
关键词	QED(3) dynamical gap generation critical temperature N-f-T phase diagram
ISSN号	1674-1137
DOI	10.1088/1674-1137/41/7/073102
通讯作者	Zong, Hong-Shi(zonghs@nju.edu.cn)
英文摘要	In this paper, we investigate dynamical mass generation in (2+1)-dimensional quantum electrodynamics at finite temperature. Many studies are carried out within the instantaneous-exchange approximation, which ignores all but the zero-frequency component of the boson propagator and fermion self-energy function. We extend these studies by taking the retardation effects into consideration. In this paper, we get the explicit frequency n and momentum p dependence of the fermion self-energy function and identify the critical temperature for different fermion flavors in the chiral limit. Also, the phase diagram for spontaneous symmetry breaking in the theory is presented in T-c-N-f space. The results show that the chiral condensate is just one-tenth of the scale of previous results, and the chiral symmetry is restored at a smaller critical temperature.
WOS关键词	DYSON-SCHWINGER EQUATIONS ; FINITE-TEMPERATURE ; GAUGE-FIELDS ; QED3 ; QCD ; SUPERCONDUCTIVITY ; PHYSICS ; SUSCEPTIBILITIES ; BEHAVIOR ; FERMIONS
WOS研究方向	Physics
语种	英语
出版者	CHINESE PHYSICAL SOC
WOS记录号	WOS:000406156700003
内容类型	期刊论文
源URL	[http://libir.pmo.ac.cn/handle/332002/22871]
专题	中国科学院紫金山天文台
通讯作者	Zong, Hong-Shi
作者单位	1.Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China 2.Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China 3.Nantong Univ, Coll Math & Phys, Nantong 226019, Peoples R China 4.Southeast Univ, Dept Phys, Nanjing 211189, Jiangsu, Peoples R China 5.Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China 6.Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Xiao, Hai-Xiao,Li, Jian-Feng,Wei, Wei,et al. Dynamical mass generation in QED(3) beyond the instantaneous approximation[J]. CHINESE PHYSICS C,2017,41(7):8.
APA	Xiao, Hai-Xiao,Li, Jian-Feng,Wei, Wei,Yin, Pei-Lin,&Zong, Hong-Shi.(2017).Dynamical mass generation in QED(3) beyond the instantaneous approximation.CHINESE PHYSICS C,41(7),8.
MLA	Xiao, Hai-Xiao,et al."Dynamical mass generation in QED(3) beyond the instantaneous approximation".CHINESE PHYSICS C 41.7(2017):8.