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Quark Number Susceptibility with Finite Quark Mass in Holographic QCD
Kim, KI; Kim, Y; Takeuchi, S; Tsukioka, T; Kim, KI (reprint author), Yonsei Univ, Inst Phys & Appl Phys, Seoul 120749, South Korea.
2011
发表期刊PROGRESS OF THEORETICAL PHYSICS
ISSN0033-068X
卷号126期号:4页码:735-751
摘要We study the effect of a finite quark mass on the quark number susceptibility in the framework of holographic QCD. We work in a bottom-up model with a deformed AdS black hole and D3/D7 model to calculate the quark number susceptibility at finite temperature with/without a finite quark chemical potential. As expected the finite quark mass suppresses the quark number susceptibility. We find that at high temperatures T >= 600 MeV the quark number susceptibility of light quarks and heavy quarks are almost equal in the bottom-up model. This indicates that the heavy quark like charm contribution to thermodynamics of a QCD-like system may start to become significant at temperatures T similar to 600 MeV. In D3/D7 model, we focus on the competition between the quark chemical potential, which enhances the quark number susceptibility, and the quark mass that suppresses the susceptibility. We observe that depending on the relative values of the quark mass and the quark chemical potential, the quark number susceptibility shows a diverging or converging behavior. We also calculate the chiral susceptibility in D3/D7 model to support the observation made with the quark number susceptibility.
部门归属[Kim, Kyung-il] Yonsei Univ, Inst Phys & Appl Phys, Seoul 120749, South Korea; [Kim, Youngman; Tsukioka, Takuya] Asia Pacific Ctr Theoret Phys, Pohang 790784, Gyeongbuk, South Korea; [Kim, Youngman] Pohang Univ Sci & Technol, Dept Phys, Pohang 790784, Gyeongbuk, South Korea; [Takeuchi, Shingo] Chinese Acad Sci, Inst Theoret Phys, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China
关键词Critical-point Phase-diagram Gauge-theory Thermodynamics Lattice Fluctuations Ads/cft
学科领域Physics
资助者Max Planck Society; Korea Ministry of Education, Science and Technology (MEST); Korea Research Foundation [KRF-2006-C00011]; Korean BK21 Program ; Max Planck Society; Korea Ministry of Education, Science and Technology (MEST); Korea Research Foundation [KRF-2006-C00011]; Korean BK21 Program ; Max Planck Society; Korea Ministry of Education, Science and Technology (MEST); Korea Research Foundation [KRF-2006-C00011]; Korean BK21 Program ; Max Planck Society; Korea Ministry of Education, Science and Technology (MEST); Korea Research Foundation [KRF-2006-C00011]; Korean BK21 Program
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收录类别SCI
语种英语
资助者Max Planck Society; Korea Ministry of Education, Science and Technology (MEST); Korea Research Foundation [KRF-2006-C00011]; Korean BK21 Program ; Max Planck Society; Korea Ministry of Education, Science and Technology (MEST); Korea Research Foundation [KRF-2006-C00011]; Korean BK21 Program ; Max Planck Society; Korea Ministry of Education, Science and Technology (MEST); Korea Research Foundation [KRF-2006-C00011]; Korean BK21 Program ; Max Planck Society; Korea Ministry of Education, Science and Technology (MEST); Korea Research Foundation [KRF-2006-C00011]; Korean BK21 Program
WOS记录号WOS:000297432500008
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被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14260
专题理论物理所2011年知识产出
通讯作者Kim, KI (reprint author), Yonsei Univ, Inst Phys & Appl Phys, Seoul 120749, South Korea.
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GB/T 7714
Kim, KI,Kim, Y,Takeuchi, S,et al. Quark Number Susceptibility with Finite Quark Mass in Holographic QCD[J]. PROGRESS OF THEORETICAL PHYSICS,2011,126(4):735-751.
APA Kim, KI,Kim, Y,Takeuchi, S,Tsukioka, T,&Kim, KI .(2011).Quark Number Susceptibility with Finite Quark Mass in Holographic QCD.PROGRESS OF THEORETICAL PHYSICS,126(4),735-751.
MLA Kim, KI,et al."Quark Number Susceptibility with Finite Quark Mass in Holographic QCD".PROGRESS OF THEORETICAL PHYSICS 126.4(2011):735-751.
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