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QCD Equation of State with Strong Magnetic Fields and Nonzero Baryon Density

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arxiv 2502.03152 v1 pith:4G4FQ55G submitted 2025-02-05 hep-lat hep-phhep-th

QCD Equation of State with Strong Magnetic Fields and Nonzero Baryon Density

classification hep-lat hep-phhep-th
keywords densitymagneticbaryonexpansionfieldslatticenonzerostrong
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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In this work, we have carried out lattice simulations of $(2+1)$-flavor QCD using highly improved staggered quarks at the physical pion mass on $32^3 \times 8$ and $48^3 \times 12$ lattices, with magnetic field strengths ranging up to 0.8 GeV$^2$ and nonzero baryon chemical potentials employing the Taylor expansion framework. We present lattice QCD continuum estimate results, along with the magnetized hadron resonance and ideal gas comparisons, for the leading-order Taylor expansion coefficients for bulk thermodynamic quantities such as pressure, number density, energy density, and entropy density, focusing on the significant impact of strong magnetic fields.

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Cited by 2 Pith papers

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  1. Four-dimensional QCD equation of state from a quasi-parton model with physics-informed neural networks

    nucl-th 2026-04 unverdicted novelty 6.0

    A PINN-trained quasi-parton model reproduces lattice cumulants at vanishing chemical potentials and supplies a consistent four-dimensional QCD equation of state at finite densities.

  2. Lattice QCD at finite temperature and density

    hep-lat 2026-03 unverdicted novelty 2.0

    A review of lattice QCD findings on the finite-temperature QCD transition at zero baryon chemical potential, its chiral limit behavior, constraints on the phase boundary and critical endpoint at finite density, plus a...