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Dynamical mass generation in QED(3) beyond the instantaneous approximation
Xiao, Hai-Xiao1,2; Li, Jian-Feng1,2,3; Wei, Wei1,2; Yin, Pei-Lin4; Zong, Hong-Shi1,2,5,6
2017-07-01
Source PublicationCHINESE PHYSICS C
ISSN1674-1137
Volume41Issue:7Pages:8
Corresponding AuthorZong, Hong-Shi(zonghs@nju.edu.cn)
AbstractIn 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.
KeywordQED(3) dynamical gap generation critical temperature N-f-T phase diagram
DOI10.1088/1674-1137/41/7/073102
WOS KeywordDYSON-SCHWINGER EQUATIONS ; FINITE-TEMPERATURE ; GAUGE-FIELDS ; QED3 ; QCD ; SUPERCONDUCTIVITY ; PHYSICS ; SUSCEPTIBILITIES ; BEHAVIOR ; FERMIONS
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Nuclear ; Physics, Particles & Fields
WOS IDWOS:000406156700003
PublisherCHINESE PHYSICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/22872
Collection中国科学院紫金山天文台
Corresponding AuthorZong, Hong-Shi
Affiliation1.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
Recommended Citation
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.
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