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Four-dimensional QCD equation of state with multiple chemical potentials

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arxiv 2406.11610 v2 pith:JHKIDWU7 submitted 2024-06-17 nucl-th hep-phnucl-ex

classification nucl-thhep-phnucl-ex
keywords equationrelativisticstatechargechemicalcollisionsfour-dimensionalmodel
verification ladder T0 review T1 audit T2 compute T3 formal

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We construct a four-dimensional version of the equation of state (EoS) model NEOS, NEOS-4D, as a function of the temperature and chemical potentials of baryon, electric charge, and strangeness for the hot and dense QCD matter created in relativistic nuclear collisions. This EoS enables multiple conserved charge current evolution in a relativistic fluid. Input from Lattice QCD simulations and a hadron resonance gas model is considered for constructing the equation of state. We investigate its applicability to the relativistic hydrodynamic description of nuclear collisions and present a method for efficient numerical implementation.

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Cited by 5 Pith papers

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