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Search for Dark Matter Effects on Gravitational Signals from Neutron Star Mergers

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arxiv 1710.05540 v2 pith:YAJQIYBG submitted 2017-10-16 astro-ph.CO astro-ph.HEgr-qchep-ph

Search for Dark Matter Effects on Gravitational Signals from Neutron Star Mergers

John Ellis , Andi Hektor , Gert H\"utsi , Kristjan Kannike , Luca Marzola , Martti Raidal , Ville Vaskonen This is my paper
classification astro-ph.CO astro-ph.HEgr-qchep-ph
keywords neutrondarkgravitationalmattermergersignalsstarwave
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Motivated by the recent detection of the gravitational wave signal emitted by a binary neutron star merger, we analyse the possible impact of dark matter on such signals. We show that dark matter cores in merging neutron stars may yield an observable supplementary peak in the gravitational wave power spectral density following the merger, which could be distinguished from the features produced by the neutron components.

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Cited by 4 Pith papers

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

  1. Strongly Interacting Dark Matter admixed Neutron Stars

    hep-ph 2025-03 unverdicted novelty 7.0

    Strongly interacting dark matter described by a first-principles G2 gauge-theory equation of state can be mixed into neutron stars while remaining compatible with current observational constraints.

  2. Axial Quasi-normal Modes of Admixed Neutron Stars

    hep-ph 2026-05 unverdicted novelty 6.0

    Increasing the bosonic dark matter fraction in admixed neutron stars shifts axial quasi-normal mode frequencies and damping times, can reorder mode hierarchy, and drives a transition from neutron-star-like to boson-st...

  3. Bulk viscosity from neutron decays to dark baryons in neutron star matter

    astro-ph.HE 2025-09 conditional novelty 5.0

    Neutron dark decays modify the equation of state and either mildly suppress or strongly enhance bulk viscosity in neutron star merger conditions, depending on the in-medium decay rate.

  4. Observables and conformal properties of dark matter admixed isentropic neutron stars

    hep-ph 2026-06 unverdicted novelty 4.0

    DM admixture in isentropic neutron stars can mimic quark-matter conformality signatures via competition between thermal effects and dark sector softening.