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Equation of state and Taylor expansions at nonzero isospin chemical potential

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arxiv 2212.01431 v1 pith:5JOD7R6R submitted 2022-12-02 hep-lat hep-phnucl-th

Bastian B. Brandt , Francesca Cuteri , Gergely Endrödi This is my paper · ORCID
classification hep-lathep-phnucl-th
keywords chemicaldiscussequationisospinnon-zerostatetaylortowards
verification ladder T0 review T1 audit T2 compute T3 formal
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We compute the equation of state of isospin asymmetric QCD at zero and non-zero temperatures using direct simulations of lattice QCD with three dynamical flavors at physical quark masses. In addition to the pressure and the trace anomaly and their behavior towards the continuum limit, we will particularly discuss the extraction of the speed of sound. Furthermore, we discuss first steps towards the extension of the EoS to small non-zero baryon chemical potentials via Taylor expansion.

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  1. Equation of state of isospin asymmetric QCD with small baryon chemical potentials

    hep-ph 2024-11 conditional novelty 6.0 of 10

    A Taylor expansion around nonzero isospin chemical potentials yields the first lattice QCD pressure estimates along the electric charge chemical potential axis.

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