期刊
PHYSICAL REVIEW C
卷 88, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.88.045204
关键词
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资金
- HIC for FAIR framework of the LOEWE program
We calculate the shear eta(T) and bulk viscosities zeta(T) as well as the electric conductivity sigma(e)(T) and heat conductivity kappa(T) within the Nambu-Jona-Lasinio model for three flavors as a function of temperature as well as the entropy density s(T), pressure P(T), and speed of sound c(s)(2)(T). We compare the results with other models such as the Polyakov-Nambu-Jona-Lasinio (PNJL) model and the dynamical quasiparticle model (DQPM) and confront these results with lattice QCD data whenever available. We find the NJL model to have a limited predictive power for the thermodynamic variables and various transport coefficients above the critical temperature, whereas the PNJL model and DQPM show acceptable results for the quantities of interest.
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