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Dynamical chiral symmetry breaking in NJL Model with a strong background magnetic field and Lorentz-violating extension of the Standard Model
Luo, Cui-Bai1; Shi, Song1; Xia, Yong-Hui1; Zong, Hong-Shi1,2,3
2017-06-01
Source PublicationCHINESE PHYSICS C
ISSN1674-1137
Volume41Issue:6Pages:7
Corresponding AuthorZong, Hong-Shi(zonghs@nju.edu.cn)
AbstractThe Eigenstate Method has been developed to deduce the fermion propagator with a constant external magnetic field. In general, we find its result is equivalent to other methods and this new method is more convenient, especially when one evaluates the contribution from the infinitesimal imaginary term of the fermion propagator. Using the Eigenstate Method we try to discuss whether the infinitesimal imaginary frequency of the fermion propagator in a strong magnetic field and Lorentz-violating extension of the minimal SU(3) x SU(2) x SU(1) Standard Model could have a significant influence on the dynamical mass. When the imaginary term of the fermion propagator in this model is not trivial (root(alpha - 1)eB/3 < sigma < root(alpha - 1)2eB/3), this model gives a correction to the dynamical mass. When one does not consider the influence from the imaginary term (sigma > root(alpha - 1)2eB/3), there is another correction from the conventional term. Under both circumstances, chiral symmetry is broken.
KeywordNJL strong magnetic field eigenstate method chiral symmetry breaking Lorentz-violation
DOI10.1088/1674-1137/41/6/063104
WOS KeywordTEMPERATURE ; INFLATION ; QCD
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Nuclear ; Physics, Particles & Fields
WOS IDWOS:000403222900005
PublisherCHINESE PHYSICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/22959
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.Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China
3.Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Luo, Cui-Bai,Shi, Song,Xia, Yong-Hui,et al. Dynamical chiral symmetry breaking in NJL Model with a strong background magnetic field and Lorentz-violating extension of the Standard Model[J]. CHINESE PHYSICS C,2017,41(6):7.
APA Luo, Cui-Bai,Shi, Song,Xia, Yong-Hui,&Zong, Hong-Shi.(2017).Dynamical chiral symmetry breaking in NJL Model with a strong background magnetic field and Lorentz-violating extension of the Standard Model.CHINESE PHYSICS C,41(6),7.
MLA Luo, Cui-Bai,et al."Dynamical chiral symmetry breaking in NJL Model with a strong background magnetic field and Lorentz-violating extension of the Standard Model".CHINESE PHYSICS C 41.6(2017):7.
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