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Dynamical chiral symmetry breaking in the NJL model with a constant external magnetic field
Shi, S; Yang, YC; Xia, YH; Cui, ZF; Liu, XJ; Zong, HS; Shi, S (reprint author), Nanjing Univ, Inst Acoust, Key Lab Modern Acoust, MOE, Nanjing 210093, Jiangsu, Peoples R China.
2015
发表期刊PHYSICAL REVIEW D
卷号91期号:3页码:36006
文章类型Article
摘要In this paper, we develop a new method that is different from the Schwinger proper time method to deduce the fermion propagator with a constant external magnetic field. In the NJL model, we use this method to find the gap equation at zero and nonzero temperature and give the numerical results and phase diagram between the magnetic field and temperature. Additionally, we introduce the current mass to study the susceptibilities because there is a new parameter (the strength of the external magnetic field) in this problem. Corresponding to this new parameter, we define a new susceptibility X-B to compare with the other two susceptibilities Xc (chiral susceptibility) and X-T (thermal susceptibility). All three susceptibilities show that when the current mass is not zero, the phase transition is a crossover, while for comparison, in the chiral limit, the susceptibilities show a second order phase transition. Last, we give the critical coefficients of different susceptibilities in the chiral limit.
学科领域Astronomy & Astrophysics ; Physics
资助者National Natural Science Foundation of China [11275097, 11475085, 11265017] ; National Natural Science Foundation of China [11275097, 11475085, 11265017] ; National Natural Science Foundation of China [11275097, 11475085, 11265017] ; National Natural Science Foundation of China [11275097, 11475085, 11265017] ; China Postdoctoral Science Foundation [2014M561621] ; China Postdoctoral Science Foundation [2014M561621] ; China Postdoctoral Science Foundation [2014M561621] ; China Postdoctoral Science Foundation [2014M561621] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1401116C, 1402006C] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1401116C, 1402006C] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1401116C, 1402006C] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1401116C, 1402006C] ; National Basic Research Program of China [2012CB921504] ; National Basic Research Program of China [2012CB921504] ; National Basic Research Program of China [2012CB921504] ; National Basic Research Program of China [2012CB921504] ; Guizhou province outstanding youth science and technology talent cultivation object special funds [QKHRZ(2013)28] ; Guizhou province outstanding youth science and technology talent cultivation object special funds [QKHRZ(2013)28] ; Guizhou province outstanding youth science and technology talent cultivation object special funds [QKHRZ(2013)28] ; Guizhou province outstanding youth science and technology talent cultivation object special funds [QKHRZ(2013)28] ; National Natural Science Foundation of China [11275097, 11475085, 11265017] ; National Natural Science Foundation of China [11275097, 11475085, 11265017] ; National Natural Science Foundation of China [11275097, 11475085, 11265017] ; National Natural Science Foundation of China [11275097, 11475085, 11265017] ; China Postdoctoral Science Foundation [2014M561621] ; China Postdoctoral Science Foundation [2014M561621] ; China Postdoctoral Science Foundation [2014M561621] ; China Postdoctoral Science Foundation [2014M561621] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1401116C, 1402006C] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1401116C, 1402006C] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1401116C, 1402006C] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1401116C, 1402006C] ; National Basic Research Program of China [2012CB921504] ; National Basic Research Program of China [2012CB921504] ; National Basic Research Program of China [2012CB921504] ; National Basic Research Program of China [2012CB921504] ; Guizhou province outstanding youth science and technology talent cultivation object special funds [QKHRZ(2013)28] ; Guizhou province outstanding youth science and technology talent cultivation object special funds [QKHRZ(2013)28] ; Guizhou province outstanding youth science and technology talent cultivation object special funds [QKHRZ(2013)28] ; Guizhou province outstanding youth science and technology talent cultivation object special funds [QKHRZ(2013)28]
DOIhttp://dx.doi.org/10.1103/PhysRevD.91.036006
关键词[WOS]QUANTUM CHROMODYNAMICS ; VACUUM SUSCEPTIBILITY ; TEMPERATURE ; VIOLATION ; MATTER
收录类别SCI
语种英语
资助者National Natural Science Foundation of China [11275097, 11475085, 11265017] ; National Natural Science Foundation of China [11275097, 11475085, 11265017] ; National Natural Science Foundation of China [11275097, 11475085, 11265017] ; National Natural Science Foundation of China [11275097, 11475085, 11265017] ; China Postdoctoral Science Foundation [2014M561621] ; China Postdoctoral Science Foundation [2014M561621] ; China Postdoctoral Science Foundation [2014M561621] ; China Postdoctoral Science Foundation [2014M561621] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1401116C, 1402006C] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1401116C, 1402006C] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1401116C, 1402006C] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1401116C, 1402006C] ; National Basic Research Program of China [2012CB921504] ; National Basic Research Program of China [2012CB921504] ; National Basic Research Program of China [2012CB921504] ; National Basic Research Program of China [2012CB921504] ; Guizhou province outstanding youth science and technology talent cultivation object special funds [QKHRZ(2013)28] ; Guizhou province outstanding youth science and technology talent cultivation object special funds [QKHRZ(2013)28] ; Guizhou province outstanding youth science and technology talent cultivation object special funds [QKHRZ(2013)28] ; Guizhou province outstanding youth science and technology talent cultivation object special funds [QKHRZ(2013)28] ; National Natural Science Foundation of China [11275097, 11475085, 11265017] ; National Natural Science Foundation of China [11275097, 11475085, 11265017] ; National Natural Science Foundation of China [11275097, 11475085, 11265017] ; National Natural Science Foundation of China [11275097, 11475085, 11265017] ; China Postdoctoral Science Foundation [2014M561621] ; China Postdoctoral Science Foundation [2014M561621] ; China Postdoctoral Science Foundation [2014M561621] ; China Postdoctoral Science Foundation [2014M561621] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1401116C, 1402006C] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1401116C, 1402006C] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1401116C, 1402006C] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1401116C, 1402006C] ; National Basic Research Program of China [2012CB921504] ; National Basic Research Program of China [2012CB921504] ; National Basic Research Program of China [2012CB921504] ; National Basic Research Program of China [2012CB921504] ; Guizhou province outstanding youth science and technology talent cultivation object special funds [QKHRZ(2013)28] ; Guizhou province outstanding youth science and technology talent cultivation object special funds [QKHRZ(2013)28] ; Guizhou province outstanding youth science and technology talent cultivation object special funds [QKHRZ(2013)28] ; Guizhou province outstanding youth science and technology talent cultivation object special funds [QKHRZ(2013)28]
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21085
专题理论物理所SCI论文
通讯作者Shi, S (reprint author), Nanjing Univ, Inst Acoust, Key Lab Modern Acoust, MOE, Nanjing 210093, Jiangsu, Peoples R China.
推荐引用方式
GB/T 7714
Shi, S,Yang, YC,Xia, YH,et al. Dynamical chiral symmetry breaking in the NJL model with a constant external magnetic field[J]. PHYSICAL REVIEW D,2015,91(3):36006.
APA Shi, S.,Yang, YC.,Xia, YH.,Cui, ZF.,Liu, XJ.,...&Shi, S .(2015).Dynamical chiral symmetry breaking in the NJL model with a constant external magnetic field.PHYSICAL REVIEW D,91(3),36006.
MLA Shi, S,et al."Dynamical chiral symmetry breaking in the NJL model with a constant external magnetic field".PHYSICAL REVIEW D 91.3(2015):36006.
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