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Measuring neutron-star properties via gravitational waves from binary mergers

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arxiv 1106.1616 v2 pith:B6S7NI3I submitted 2011-06-08 astro-ph.SR gr-qc

A. Bauswein , H.-Th. Janka (Max Planck Institute for Astrophysics , Garching) This is my paper · ORCID
classification astro-ph.SRgr-qc
keywords binaryfrequencypeakpostmergerpropertiesadvancedconfigurationconstrain
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We demonstrate by a large set of merger simulations for symmetric binary neutron stars (NSs) that there is a tight correlation between the frequency peak of the postmerger gravitational-wave (GW) emission and the physical properties of the nuclear equation of state (EoS), e.g. expressed by the radius of the maximum-mass Tolman-Oppenheimer-Volkhoff configuration. Therefore, a single measurement of the peak frequency of the postmerger GW signal will constrain the NS EoS significantly. For plausible optimistic merger-rate estimates a corresponding detection with Advanced LIGO is likely to happen within an operation time of roughly a year.

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Cited by 5 Pith papers

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

  1. Direct Measurement of the Accretion Disk Formed in Prompt Collapse Mergers with Future Gravitational-Wave Observatories

    gr-qc 2025-07 conditional novelty 7.0 of 10

    The postmerger ringdown frequency of promptly collapsing binary neutron star mergers is correlated with accretion disk mass, allowing a proposed 10 percent measurement with third-generation gravitational wave detectors.

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  3. CP violation in cold dense quark matter and axion effects on the non-radial oscillations of neutron stars

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    Using a 3-flavor NJL model with axions, the authors find that a CP-violating angle theta=pi reduces the chiral transition density and, with a vector repulsion, yields stable hybrid neutron stars with enhanced f-mode o...

  4. Science with the Einstein Telescope: a comparison of different designs

    gr-qc 2023-03 unverdicted novelty 3.0 of 10

    The paper evaluates how triangular versus two-L-shaped geometries, arm lengths, and presence of low-frequency instruments affect the science reach of the Einstein Telescope for compact binaries, multi-messenger events...

  5. SPH methods in the modelling of compact objects

    astro-ph.HE 2026-07 conditional novelty 1.0 of 10

    An updated expert review of Newtonian and general-relativistic SPH for compact-object mergers, arguing that modern SPH variants with better kernels, steered dissipation and reproducing gradients match grid-based codes...

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