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Research PapersNo Access

A MODEL STUDY OF QUARK NUMBER SUSCEPTIBILITY AT FINITE CHEMICAL POTENTIAL AND ZERO TEMPERATURE

Department of Physics, Nanjing University, Nanjing 210093, China

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Department of Physics, Nanjing University, Nanjing 210093, China

Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080, China

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Department of Physics, Nanjing University, Nanjing 210093, China

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Department of Physics, Nanjing University, Nanjing 210093, China

Joint Center for Particle, Nuclear Physics and Cosmology, Nanjing 210093, China

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Department of Physics, Nanjing University, Nanjing 210093, China

Joint Center for Particle, Nuclear Physics and Cosmology, Nanjing 210093, China

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https://doi.org/10.1142/S0217751X09043171Cited by:1 (Source: Crossref)

Abstract

In this paper, we try to provide a direct method for calculating quark number susceptibility at finite chemical potential and zero temperature. In our approach, quark number susceptibility is totally determined by G[μ](p) (the dressed quark propagator at finite chemical potential μ). By applying the general result given in Phys. Rev. C71, 015205 (2005), G[μ](p) is calculated from the model quark propagator proposed in Phys. Rev. D67, 054019 (2003). From this the full analytic expression of quark number susceptibility at finite μ and zero T is obtained.

Keywords:

PACS: 12.38.Lg, 12.39.-x, 24.85.+p

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Vol. 24, No. 12

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Received 14 July 2008

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