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Tidal heating as a direct probe of strangeness inside neutron stars

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arxiv 2306.14737 v2 pith:U44PWH6T submitted 2023-06-26 gr-qc astro-ph.HEnucl-th

classification gr-qcastro-ph.HEnucl-th
keywords neutronstartidalheatingmatterdirectheatprobe
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It has been discussed whether viscous processes in neutron star matter during a binary inspiral can damp out the tidal energy induced by the companion and heat up the star. Earlier investigations concluded that this tidal heating is negligible for normal neutron star matter. In this work, we suggest a novel effect of tidal heating involving strange matter in the neutron star interior, that can significantly heat up the star, and is potentially observable by current and future gravitational wave detectors. We propose that this could serve as a direct probe of strangeness in neutron stars.

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Cited by 3 Pith papers

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

  1. Oscillations of Dissipative Neutron Stars: The Impact of Hyperonic Reaction Rates

    gr-qc 2026-08 conditional novelty 6.0 of 10

    Finite hyperonic reaction rates, encoded as a complex sound speed, damp neutron-star f-modes and remove hyperonic g-modes before their restoring force vanishes, producing a tidal lag.

  2. Radial Oscillations of Viscous Stars

    gr-qc 2026-03 conditional novelty 6.0 of 10

    Viscosity damps neutron-star radial modes on ms timescales, shifts frequencies by up to ~1% at ζ∼10^30 g/cm/s, produces overdamped modes above ∼10^31, and cannot stabilize unstable stars in Eckart or BDNK theory.

  3. TTE-CAM: Self-Explainable Class Activation Maps for Pretrained Black-Box CNNs

    cs.CV 2026-03 unverdicted novelty 5.0 of 10

    A test-time convolution-head replacement converts pretrained CNNs into self-explainable models that keep black-box accuracy and produce faithful class activation maps.

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