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题名: Realization of chiral symmetry breaking and restoration in holographic QCD
作者: Chelabi, K ;  Fang, Z ;  Huang, M ;  Li, DN ;  Wu, YL
刊名: PHYSICAL REVIEW D
出版日期: 2016
卷号: 93, 期号:10, 页码:101901
学科分类: Astronomy & Astrophysics; Physics
DOI: http://dx.doi.org/10.1103/PhysRevD.93.101901
通讯作者: Chelabi, K (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China. ;  Chelabi, K (reprint author), UCAS, Beijing 100049, Peoples R China. ;  Chelabi, K (reprint author), Ecole Normale Super Kouba, Lab Particle Phys & Stat Phys, BP 92, Algiers 16050, Algeria.
文章类型: Article
英文摘要: With proper profiles of the scalar potential and the dilaton field, for the first time, the spontaneous chiral symmetry breaking in the vacuum and its restoration at finite temperature are correctly realized in the holographic QCD framework. In the chiral limit, a nonzero chiral condensate develops in the vacuum and decreases with temperature, and the phase transition is of the second order for a two-flavor case and of the first order for a three-flavor case. In the case of explicit chiral symmetry breaking, in the two-flavor case, the second-order phase transition turns into a crossover with any nonzero current quark mass, and in the three-flavor case, the first-order phase transition turns into a crossover at a finite current quark mass. The correct description of chiral symmetry breaking and restoration makes the holographic QCD models more powerful in dealing with nonperturbative QCD phenomena. This framework can be regarded as a general setup in an application of AdS/CFT to describe conventional Ginzburg-Landau-Wilson-type phase transitions, e.g. in condensed matter and cosmology systems.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Particles & Fields
关键词[WOS]: FINITE-TEMPERATURE ;  DYNAMICAL MODEL ;  STRING THEORY ;  SUPERCONDUCTIVITY ;  CHROMODYNAMICS ;  TRANSITION ;  ADS/QCD ;  ANALOGY ;  PHYSICS ;  MESONS
收录类别: SCI
项目资助者: CAS-TWAS ;  NSFC [11175251, 11275213, CRC 110] ;  DFG ;  CAS [KJCX2-EW-N01] ;  Youth Innovation Promotion Association of CAS ;  China Postdoctoral Science Foundation
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21667
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Chelabi, K,Fang, Z,Huang, M,et al. Realization of chiral symmetry breaking and restoration in holographic QCD[J]. PHYSICAL REVIEW D,2016,93(10):101901.
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