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题名: Influence of boson mass on chiral phase transition in QED(3)
作者: Feng, HT ;  Wang, XZ ;  Yu, XH ;  Zong, HS
刊名: PHYSICAL REVIEW D
出版日期: 2016
卷号: 94, 期号:4, 页码:45022
学科分类: Astronomy & Astrophysics; Physics
DOI: http://dx.doi.org/10.1103/PhysRevD.94.045022
通讯作者: Feng, HT (reprint author), Southeast Univ, Dept Phys, Nanjing 211189, Jiangsu, Peoples R China. ;  Zong, HS (reprint author), Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China. ;  Feng, HT ;  Zong, HS (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: Based on the truncated Dyson-Schwinger equations for the fermion propagator with N fermion flavors at zero temperature, the chiral phase transition of quantum electrodynamics in 2 + 1 dimensions (QED(3)) with boson mass-which is obtained via the Anderson-Higgs mechanism-is investigated. In the chiral limit, we find that the critical behavior of QED(3) with a massless boson is different from that with a massive boson: the chiral phase transition in the presence of a nonzero boson mass reveals the typical second-order phase transition, at either the critical boson mass or a critical number of fermion flavors, while for a vanishing boson mass it exhibits a higher than second-order phase transition at the critical number of fermion flavors. Furthermore, it is shown that the system undergoes a crossover behavior from a small number of fermion flavors or boson mass to its larger one beyond the chiral limit.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Particles & Fields
关键词[WOS]: FERMION FLAVORS ;  CRITICAL NUMBER ;  GAUGE-THEORIES ;  CONFINEMENT ;  VERTEX ;  SUPERCONDUCTORS ;  POLARIZATION ;  MODEL
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11275097, 11475085, 11535005] ;  Fundamental Research Funds for the Central Universities [2242014R30011]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21553
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Feng, HT,Wang, XZ,Yu, XH,et al. Influence of boson mass on chiral phase transition in QED(3)[J]. PHYSICAL REVIEW D,2016,94(4):45022.
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