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Phases of dense matter in neutron stars

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arxiv nucl-th/9902033 v1 pith:XWWNUX77 submitted 1999-02-15 nucl-th astro-phhep-ph

H. Heiselberg , M. Hjorth-Jensen This is my paper · ORCID
classification nucl-thastro-phhep-ph
keywords matterphaseneutronstarsdensenuclearpossiblequark
verification ladder T0 review T1 audit T2 compute T3 formal

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Recent equations of state for dense nuclear matter are discussed with possible phase transitions arising in neutron stars such as pion, kaon and hyperon kondensation, superfluidity and quark matter. Specifically, we treat the nuclear to quark matter phase transition, the possible mixed phase and its structure. A number of numerical calculations of rotating neutron stars with and without phase transitions are given and compared to observed masses, radii, temperatures and glitches.

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Cited by 7 Pith papers

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

  1. New Gauge Forces, Neutron Stars and Schwinger Neutrino Production

    hep-ph 2026-06 unverdicted novelty 5.0 of 10

    For Lμ-Lτ gauge forces with g ≳ 10^{-18}, Schwinger neutrino production in neutron stars alters composition, invalidates merger constraints at g ≳ 10^{-17}, and could yield detectable ~100 MeV neutrino fluxes from you...

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    The ultracompact pulsar XTE J1814-338 is reproduced as a neutron star containing 200 GeV fermionic dark matter with a Fermi momentum of 0.08 GeV.

  3. Hybrid stars with hyperons: structure based on QCD sum rule coupling constants

    nucl-th 2026-06 unverdicted novelty 4.0 of 10

    Hybrid star EOS constructed from QCDSR couplings in RMF hadronic model and bag/NJL quark models with Gibbs/Maxwell transitions yields mass-radius and tidal deformability predictions.

  4. Impact of Anisotropy on Neutron Star Structure and Curvature

    gr-qc 2025-12 unverdicted novelty 4.0 of 10

    Moderate positive pressure anisotropy raises neutron star maximum mass to about 2.4 solar masses and compactness by up to 20 percent, with curvature scalars tied to matter showing strong sensitivity while the Weyl sca...

  5. Impact of QCD sum rules coupling constants on neutron stars structure

    hep-ph 2025-01 reject novelty 4.0 of 10

    Using QCD sum rule couplings in a relativistic mean-field model, one of four parameter sets yields a 2.07 solar mass neutron star with hyperons, claimed to resolve the hyperon puzzle.

  6. Probing Neutron Star Interiors and the Properties of Cold Ultra-dense Matter with the SKAO

    astro-ph.HE 2026-07 accept novelty 3.5 of 10

    SKAO's sensitivity, surveys and sub-arraying will deliver tighter NS mass, MoI, spin, glitch and precession constraints that, with X-ray and GW data, probe cold ultra-dense matter.

  7. Studying the QCD Matter produced in Heavy-Ion Collisions using the MUSES Calculation Engine

    nucl-th 2026-06 unverdicted novelty 3.0 of 10

    The MUSES Calliope engine computes multi-dimensional QCD equations of state, merges them consistently, and feeds them into viscous hydrodynamic simulations of heavy-ion collisions with movable critical points and crit...

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