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Equations of state for hot neutron stars -- II. The role of exotic particle degrees of freedom

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arxiv 2205.03177 v2 pith:EJFAYJL2 submitted 2022-05-06 nucl-th astro-ph.HE

Adriana R. Raduta This is my paper
classification nucl-thastro-ph.HE
keywords deltastatebinaryconditionsdegreesequationsexoticfreedom
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abstract

Explosive astrophysical systems - such as supernovae or compact star binary mergers - provide conditions where exotic degrees of freedom can be populated. Within the covariant density functional theory of nuclear matter we build several general purpose equations of state which, in addition to the baryonic octet, account for $\Delta(1232)$ resonance states. The thermodynamic stability of $\Delta$-admixed nuclear matter is investigated in the limiting case of vanishing temperature for charge fractions $Y_Q=0.01$ and $Y_Q=0.5$ and wide ranges of the coupling constants to the scalar and vector mesonic fields. General purpose equation of state models with exotica presently available on the \textsc{CompOSE} database are further reviewed; for a selection of them we then investigate thermal properties for thermodynamic conditions relevant for core-collapse supernovae and binary neutron star mergers. Modifications induced by hyperons, $\Delta(1232)$, $K^-$, pions and quarks are discussed.

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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. TTE-CAM: Self-Explainable Class Activation Maps for Pretrained Black-Box CNNs

    cs.CV 2026-03 unverdicted novelty 5.0 of 10

    A test-time convolution-head replacement converts pretrained CNNs into self-explainable models that keep black-box accuracy and produce faithful class activation maps.

  2. Crust (Unified) Tool for Equation-of-state Reconstruction (CUTER) v2

    astro-ph.HE 2025-06 accept novelty 4.0 of 10

    CUTER v2 reconstructs the missing or inconsistent low-density crust of arbitrary neutron-star equations of state, producing unified EoSs whose global properties match original models to within about one percent.

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