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题名: Continuum study of various susceptibilities within thermal QED(3)
作者: Yin, PL ;  Shi, YM ;  Cui, ZF ;  Feng, HT ;  Zong, HS
刊名: PHYSICAL REVIEW D
出版日期: 2014
卷号: 90, 期号:3, 页码:36007
关键词: FINITE-TEMPERATURE ;  FERMION PROPAGATOR ;  QCD ;  MODEL ;  TRANSITION ;  ELECTRODYNAMICS ;  THERMODYNAMICS ;  POLARIZATION ;  GRAPHENE ;  DENSITY
学科分类: Physics
DOI: 10.1103/PhysRevD.90.036007
通讯作者: Zong, HS (reprint author), Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China.
部门归属: [Yin, Pei-lin] Nanjing Univ, Inst Acoust, MOE, Key Lab Modern Acoust, Nanjing 210093, Jiangsu, Peoples R China ;  [Yin, Pei-lin ;  Shi, Yuan-mei ;  Cui, Zhu-fang ;  Zong, Hong-shi] Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China ;  [Shi, Yuan-mei] Nanjing Xiaozhuang Univ, Dept Phys & Elect Engn, Nanjing 211171, Jiangsu, Peoples R China ;  [Feng, Hong-tao] Southeast Univ, Dept Phys, Nanjing 211189, Jiangsu, Peoples R China ;  [Zong, Hong-shi] Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China ;  [Cui, Zhu-fang ;  Zong, Hong-shi] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
英文摘要: In this paper, the relations of four different susceptibilities (i.e., the chiral susceptibility, the fermion number susceptibility, the thermal susceptibility, and the staggered spin susceptibility) are investigated both in and beyond the chiral limit. To this end, we numerically solve the finite-temperature version of the truncated Dyson-Schwinger equations for the fermion and boson propagator. It is found that, in the chiral limit, the four susceptibilities give the same critical temperature and signal a typical second order phase transition. But the situation changes beyond the chiral limit: the critical temperatures from the chiral and the thermal susceptibilities are different, which shows that to define a critical region instead of an exclusive point for crossover might be a more suitable choice. Meanwhile, both the fermion number and the staggered spin susceptibilities have no singular behaviors any more; this may mean that they are no longer available to describe the crossover properties of the system.
资助者: National Natural Science Foundation of China [11275097, 10935001, 11274166, 11247219, 11075075]; National Basic Research Program of China [2012CB921504]; Research Fund for the Doctoral Program of Higher Education [2012009111002]; National Natural Science Foundation of Jiangsu Province of China [BK20130078]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000341267700006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15670
Appears in Collections:理论物理所2014年知识产出 _期刊论文

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Recommended Citation:
Yin, PL,Shi, YM,Cui, ZF,et al. Continuum study of various susceptibilities within thermal QED(3)[J]. PHYSICAL REVIEW D,2014,90(3):36007.
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