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Dark matter effects on the properties of quark stars and the implications for the peculiar objects

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arxiv 2501.04382 v1 pith:OGVJMTKP submitted 2025-01-08 nucl-th

Dark matter effects on the properties of quark stars and the implications for the peculiar objects

classification nucl-th
keywords darkconfigurationsmassmatterpropertiesquarkstarsdqss
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We systematically investigate the observable properties of dark matter-admixed quark stars (DQSs) using the confined-isospin-density-dependent-mass model in combination with the generic bosonic self-interacting dark matter model. Our results show that the dark matter (DM) can significantly influence the properties of quark stars including the mass, radius, and the central pressure at the maximum mass configurations. Moreover, we observe that the mass of DMparticles and the DMfraction significantly affect the types of stellar configurations, and we study these configurations in detail under various scenarios and predict the possibility that two recently observed peculiar objects HESS J1731-347 and PSR J014-4002E are DQSs.

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Cited by 2 Pith papers

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

  1. Role of density profile of sub-GeV dark matter in the properties of dark matter admixed quark stars with Bayesian analysis of dark-NJL model

    hep-ph 2025-09 reject novelty 5.0

    A model of quark stars with a variable dark matter density profile claims sub-GeV dark matter can satisfy all current compact star constraints.

  2. XTE J1814-338 as a strange star admixed with bosonic dark matter

    astro-ph.HE 2025-08 conditional novelty 4.0

    A strange quark star with more than 70% of its mass in self-interacting bosonic dark matter matches the observed mass and radius of XTE J1814-338, yielding m_chi <= 307(lambda/pi)^{1/4} MeV.