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Neutron stars as extreme laboratories for gravity tests

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arxiv 2209.03351 v1 pith:SIQX7CWG submitted 2022-09-07 gr-qc astro-ph.HEnucl-th

classification gr-qcastro-ph.HEnucl-th
keywords neutrongravityphysicsstarstarstestsaccurateapplication
verification ladder T0 review T1 audit T2 compute T3 formal
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Neutron stars are versatile in their application to studying various important aspects of fundamental physics, in particular strong-field gravity tests and the equation of state for super-dense nuclear matter at low temperatures. However, in many cases these two objectives are degenerate to each other. We discuss how pulsar timing and gravitational waves provide accurate measurements of neutron star systems and how to effectively break the degeneracy using tools like universal relations. We also present perspectives on future opportunities and challenges in the field of neutron star physics.

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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. A Neutron Star Hidden Inside a Black Hole

    gr-qc 2026-08 reject novelty 5.0 of 10

    A two-fluid Tolman-Oppenheimer-Volkoff calculation with Einasto dark matter halos produces static solutions where g_rr^{-1} turns negative in a shell outside the neutron star, which the authors call a neutron star ins...

  2. Frozen Neutron Stars

    gr-qc 2025-09 conditional novelty 5.0 of 10

    Solving modified Tolman-Oppenheimer-Volkoff equations with Bardeen and Hayward nonlinear electrodynamics, this paper finds that neutron stars reach 'frozen states' with a critical horizon at a critical magnetic charge.

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