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Tidal heating as a direct probe of strangeness inside neutron stars
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Tidal heating as a direct probe of strangeness inside neutron stars
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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.
Forward citations
Cited by 10 Pith papers
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A New Spin on Dissipative Tides: First-Post-Newtonian Effects in Compact Binary Inspirals
Spin-induced tidal dissipation in compact binaries enters the gravitational-wave phase at 2.5 post-Newtonian order with a logarithmic frequency dependence.
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Out-of-Equilibrium Effects in Non-Radial Relativistic Stellar Perturbations: A Model-Agnostic Formulation and Mode Analysis
A general framework for incorporating arbitrary nonequilibrium corrections into linear non-radial relativistic stellar perturbations without specifying constitutive relations.
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Axial Oscillations of Viscous Neutron Stars
Viscous neutron stars have new families of axial oscillation modes without perfect-fluid counterparts, featuring mode avoidance and long-lived modes.
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A New Spin on Dissipative Tides: First-Post-Newtonian Effects in Compact Binary Inspirals
Dissipative electric-quadrupolar tides in spinning compact binaries enter the gravitational-wave phase at 2.5PN order with a logarithmic frequency dependence, making them non-degenerate with the coalescence phase.
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Axial Oscillations of Viscous Neutron Stars
Causal viscous relativistic hydrodynamics applied to neutron stars yields new axial mode families without perfect-fluid counterparts, including mode avoidance and long-lived modes.
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Radial Oscillations of Viscous Stars
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.
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TTE-CAM: Self-Explainable Class Activation Maps for Pretrained Black-Box CNNs
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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Dynamical Tidal Response of Non-rotating Black Holes: Connecting the MST Formalism and Worldline EFT
Renormalized dynamical tidal response functions for non-rotating black holes in GR carry inevitable ambiguities from renormalization scheme and flow initial condition, yielding scheme-dependent dynamical tidal Love nu...
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Binary black holes in the heat of merger
Develops a frequency-domain approximant for tidal heating in nonspinning black hole binaries that extends to merger and includes horizon parameters.
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Magnetorotational instabilities in solids: Application to neutron-star crusts
Plane-parallel analysis finds MRI operates in solids only when magnetic tension exceeds shear modulus, requiring spin frequencies ≳300 Hz for crust amplification in neutron-star mergers.
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