Quark Number Susceptibility in Holographic QCD(QCD Phase Diagram,New Frontiers in QCD 2010-Exotic Hadron Systems and Dense Matter-)
スポンサーリンク
概要
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We study the quark number susceptibility in holographic QCD at finite temperature with/without a finite chemical potential or under an external magnetic field. When the temperature is the only scale of the system, we find that the quark number susceptibility divided by the temperature squared χ_q/T^2 is a temperature-independent constant in high-temperature deconfining phase. We then consider the quark number susceptibility with the chemical potential. We observe that approaching T_c from high temperature regime, χ_q/T^2 develops a peak as we increase the chemical potential. We discuss this behavior in connection with the existence of the critical end point in the QCD phase diagram. We also discuss briefly the effect of the magnetic field and a finite quark mass on the quark number susceptibility.
- 2010-12-17
著者
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Kim Youngman
Asia Pacific Center For Theoretical Physics:department Of Physics Pohang University Of Science And T
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TSUKIOKA Takuya
Asia Pacific Center for Theoretical Physics
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Tsukioka Takuya
Institute Of Nuclear Physics National Center For Scientific Research "demokritos" Agia Par
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TAKEUCHI Shingo
Asia Pacific Center for Theoretical Physics
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Kim Youngman
Asia Pacific Center for Theoretical Physics
関連論文
- Quark Number Susceptibility in Holographic QCD(QCD Phase Diagram,New Frontiers in QCD 2010-Exotic Hadron Systems and Dense Matter-)
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- Gauge Invariant Forms for Non-Abelian Tensor Gauge Fields of Fourth Rank(Particles and Fields)
- Quark Number Susceptibility with Finite Quark Mass in Holographic QCD(Particles and Physics)
- Quark Number Susceptibility with Finite Quark Mass in Holographic QCD