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Speed of Sound in Magnetized Nuclear Matter

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arxiv 2312.03310 v1 pith:OFADD7NL submitted 2023-12-06 nucl-th hep-ph

classification nucl-thhep-ph
keywords fieldmagneticchemicalmatternuclearparallelperpendicularpotential
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

Employing the non-linear Walecka model we investigate the characteristics of nuclear matter under the influence of a background magnetic field at a finite temperature and baryon chemical potential. In the presence of the magnetic field the spinodal lines and the critical end point (CEP) undergo changes in the $T-\mu_B$ plane. The squared speed of sound exhibits anisotropic behavior, dividing into parallel and perpendicular components. Additionally, the presence of a magnetic field induces anisotropy in the isothermal compressibility. It is found that the parallel component is smaller than the perpendicular one for all values of temperature, chemical potential and magnetic field indicating that the equation of state is stiffer along the magnetic field direction.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. One-loop HDL thermodynamics of a strongly magnetized isospin asymmetric cold quark matter

    hep-ph 2026-07 conditional novelty 5.0 of 10

    In the lowest Landau level, one-loop HDLpt pressure of cold quark matter grows with quark and isospin chemical potentials, and the magnetization is positive, making transverse pressure smaller than longitudinal.

  2. On the Square Speed of Sound in High-Energy Collisions: Range of Values and How to Understand It

    hep-ph 2024-12 reject novelty 3.0 of 10

    The square speed of sound in high-energy collisions is inferred from the Gaussian rapidity width via the Landau model, yielding values mostly from 0 to 1/3.

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