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Xiao, HX; Li, JF; Wei, W; Yin, PL; Zong, HS; Zong, HS (reprint author), Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China.; Zong, HS (reprint author), Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China.; Zong, HS (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Dynamical mass generation in QED(3) beyond the instantaneous approximation
Source PublicationCHINESE PHYSICS C
Language英语
KeywordQed(3) Dynamical Gap Generation Critical Temperature N-f-t Phase Diagram
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.
2017
Volume41Issue:7Pages:73102
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1088/1674-1137/41/7/073102
Funding OrganizationNational Natural Science Foundation of China [11475085, 11535005, 11690030] ; National Natural Science Foundation of China [11475085, 11535005, 11690030] ; National Natural Science Foundation of China [11475085, 11535005, 11690030] ; National Natural Science Foundation of China [11475085, 11535005, 11690030] ; Natural Science Foundation of Jiangsu Province [BK20130387] ; Natural Science Foundation of Jiangsu Province [BK20130387] ; Natural Science Foundation of Jiangsu Province [BK20130387] ; Natural Science Foundation of Jiangsu Province [BK20130387] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1501035B] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1501035B] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1501035B] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1501035B]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/22020
Collection理论物理所科研产出_SCI论文
Corresponding AuthorZong, HS (reprint author), Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China.; Zong, HS (reprint author), Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China.; Zong, HS (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Xiao, HX,Li, JF,Wei, W,et al. Dynamical mass generation in QED(3) beyond the instantaneous approximation[J]. CHINESE PHYSICS C,2017,41(7):73102.
APA Xiao, HX.,Li, JF.,Wei, W.,Yin, PL.,Zong, HS.,...&Zong, HS .(2017).Dynamical mass generation in QED(3) beyond the instantaneous approximation.CHINESE PHYSICS C,41(7),73102.
MLA Xiao, HX,et al."Dynamical mass generation in QED(3) beyond the instantaneous approximation".CHINESE PHYSICS C 41.7(2017):73102.
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