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Predictions for neutron stars from holographic nuclear matter

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arxiv 2112.10633 v1 pith:EW22P5DK submitted 2021-12-20 astro-ph.HE hep-phhep-thnucl-th

Predictions for neutron stars from holographic nuclear matter

classification astro-ph.HE hep-phhep-thnucl-th
keywords modelstardataholographiclimitmassesneutronstars
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We discuss masses, radii, and tidal deformabilities of neutron stars constructed from the holographic Witten-Sakai-Sugimoto model. Using the same model for crust and core of the star, we combine our theoretical results with the latest astrophysical data, thus deriving more stringent constraints than given by the data alone. For instance, our calculation predicts -- independent of the model parameters -- an upper limit for the maximal mass of the star of about 2.46 solar masses and a lower limit of the (dimensionless) tidal deformability of a 1.4-solar-mass star of about 277.

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Cited by 1 Pith paper

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  1. Holographic Soliton Crystals for Dense Nuclear Matter and Neutron Stars

    hep-ph 2026-07 conditional novelty 7.0

    A crystal of holographic baryons in the Witten-Sakai-Sugimoto model yields a nuclear-matter equation of state compatible with neutron-star observations.