摘要We give a direct method for calculating the quark-number susceptibility at finite chemical potential and zero temperature. In this approach the quark-number susceptibility is totally determined by G[μ](p) (the dressed quark propagator at finite chemical potential μ). By applying the general result in our previous study [Phys. Rev. C 71(2005)015205, 034901, 73 (2006) 016004 ] G[μ](p) is calculated from the model quark propagator proposed by Pagels and Stokar [Phys. Rev. D 20(1979)2947]. The full analytic expression of the quark-number susceptibility at finite μ and zero T is obtained.
Abstract：We give a direct method for calculating the quark-number susceptibility at finite chemical potential and zero temperature. In this approach the quark-number susceptibility is totally determined by G[μ](p) (the dressed quark propagator at finite chemical potential μ). By applying the general result in our previous study [Phys. Rev. C 71(2005)015205, 034901, 73 (2006) 016004 ] G[μ](p) is calculated from the model quark propagator proposed by Pagels and Stokar [Phys. Rev. D 20(1979)2947]. The full analytic expression of the quark-number susceptibility at finite μ and zero T is obtained.
HE Deng-Ke;JIANG Yu;FENG Hong-Tao;SUN Wei-Min;ZONG Hong-Shi;. Quark-Number Susceptibility at Finite Chemical Potential and Zero Temperature[J]. 中国物理快报, 2008, 25(2): 440-443.
HE Deng-Ke, JIANG Yu, FENG Hong-Tao, SUN Wei-Min, ZONG Hong-Shi,. Quark-Number Susceptibility at Finite Chemical Potential and Zero Temperature. Chin. Phys. Lett., 2008, 25(2): 440-443.
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