Susceptibilities and speed of sound from PNJL model
Abstract
We present the Taylor expansion coefficients of the pressure in quark number chemical potential μ0=μB / 3=μu=μd, for the strongly interacting matter as described by the PNJL model for two light degenerate flavours of quarks u and d. The expansion has been done upto eighth order in μ0, and the results are consistent with recent estimates from Lattice. We have further obtained the specific heat CV, squared speed of sound vs2 and the conformal measure .
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