Non-equilibrium relativistic SIDM halo collapse produces seed black holes of mass ~3e-8 of the halo mass at apparent horizon formation.
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15 Pith papers cite this work. Polarity classification is still indexing.
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RMF-CC models with ωρ coupling better match multi-messenger NS data and LQCD/NEP constraints than the baseline, yet standard RMF remains preferred without core phase transitions, requiring high Ksat ~300 MeV.
Two-fluid CFL strange quark stars with scalar dark matter show non-monotonic maximum mass versus dark-matter mass and can occupy the lower mass gap while remaining qualitatively consistent with GW170817 tidal deformability.
Bayesian analysis finds that the likely ranges of light dark-matter fermion mass and exponential density-profile parameter in hyperon-containing neutron stars are nearly independent of the hadronic model for symmetry-energy slopes between 40 and 58 MeV, with HESS J1731-347 and GW170817 data playing,
Hybrid neutron-star equations of state remain sensitive to the low-density nucleonic model at transition densities around 2ρ₀, with model spread in radius and tidal deformability exceeding observational uncertainty by factors of ~1.8 and ~1.4.
Numerical simulations of black hole-boson star binaries show that scalar self-interactions can suppress tidal disruption while radiative efficiency depends on the chosen potential.
Quarkyonic stars produce ω-mode frequencies that follow approximate universal relations independent of the equation of state.
In Hořava-Lifshitz gravity, fermionic compact objects reach black-hole compactness above a minimum fermion mass, potentially explaining lower-mass-gap detections and serving as cold dark matter.
In quadratic curvature-matter coupled gravity, strange stars described by the MIT bag equation of state can attain a maximum mass of 3.11 solar masses, exceeding the general-relativistic limit and potentially accounting for the lighter companion in GW190814.
Mirror dark matter fraction f_D in the range 0.12-0.88 reproduces the GW170817 tidal constraint and can reduce visible radii even when the ordinary-matter EOS yields no macroscopic quark core.
A Poincaré-covariant vector-vector contact interaction yields an equation of state for strange quark matter whose mass-radius and tidal properties match pulsar and gravitational-wave constraints for two tuned parameter sets.
Dark energy stars from modified Chaplygin gas obey C-I-Λ-f universal relations similar to quark stars but are distinguishable via I-Eg^{-2}, Λ-Eg^{-5}, and f-Eg^{-2} relations, with GW170817 used to predict 1.4 solar-mass properties.
Local Hubble constant anisotropy in Cosmicflows-4 data is primarily attributed to peculiar velocities and survey structure rather than cosmic-scale isotropy violation, with limited implications for the Hubble tension.
Modified NJL model exploration finds viable parameter space where beta-equilibrated CFL quark matter is absolutely stable, supporting self-bound quark stars consistent with NICER, LIGO/Virgo, GW190814, and HESS J1731-347 observations.
Short-range correlations soften neutron-star equations of state with quadratic vector self-interactions but stiffen them with an added fourth-order term, producing corresponding shifts in maximum masses that persist when a dark-matter fluid is included.
citing papers explorer
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Non-Equilibrium Relativistic Core Collapse of Self-Interacting Dark Matter Halos -- Limits On Seed Black Hole Mass
Non-equilibrium relativistic SIDM halo collapse produces seed black holes of mass ~3e-8 of the halo mass at apparent horizon formation.
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Relativistic Mean Field Approach with Chiral Symmetry Breaking and Quark Confinement in the light of Astrophysical Observations
RMF-CC models with ωρ coupling better match multi-messenger NS data and LQCD/NEP constraints than the baseline, yet standard RMF remains preferred without core phase transitions, requiring high Ksat ~300 MeV.
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Two fluid CFL strange quark stars with scalar dark matter: critical mass and mass gap implications
Two-fluid CFL strange quark stars with scalar dark matter show non-monotonic maximum mass versus dark-matter mass and can occupy the lower mass gap while remaining qualitatively consistent with GW170817 tidal deformability.
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Bayesian analysis of density profile of light dark matter elucidating the properties of dark matter admixed neutron stars in the presence of hyperons
Bayesian analysis finds that the likely ranges of light dark-matter fermion mass and exponential density-profile parameter in hyperon-containing neutron stars are nearly independent of the hadronic model for symmetry-energy slopes between 40 and 58 MeV, with HESS J1731-347 and GW170817 data playing,
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Sensitivity of Neutron Star Observables to Transition Density in Hybrid Equation-of-State Models
Hybrid neutron-star equations of state remain sensitive to the low-density nucleonic model at transition densities around 2ρ₀, with model spread in radius and tidal deformability exceeding observational uncertainty by factors of ~1.8 and ~1.4.
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Black Hole-Boson Star Binaries: Gravitational Wave Signals and Tidal Disruption
Numerical simulations of black hole-boson star binaries show that scalar self-interactions can suppress tidal disruption while radiative efficiency depends on the chosen potential.
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Universality in spacetime $\omega$ modes of quarkyonic stars
Quarkyonic stars produce ω-mode frequencies that follow approximate universal relations independent of the equation of state.
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Vanishing Compactness Gap and Fermionic Compact Dark Matter in Ho\v{r}ava-Lifshitz Gravity
In Hořava-Lifshitz gravity, fermionic compact objects reach black-hole compactness above a minimum fermion mass, potentially explaining lower-mass-gap detections and serving as cold dark matter.
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Maximum mass limit of strange stars in quadratic curvature-matter coupled gravity
In quadratic curvature-matter coupled gravity, strange stars described by the MIT bag equation of state can attain a maximum mass of 3.11 solar masses, exceeding the general-relativistic limit and potentially accounting for the lighter companion in GW190814.
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Effects of Mirror Dark Matter on Neutron-Star Structure and Tidal Deformability
Mirror dark matter fraction f_D in the range 0.12-0.88 reproduces the GW170817 tidal constraint and can reduce visible radii even when the ordinary-matter EOS yields no macroscopic quark core.
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A Poincar\'e-covariant study of strange quark stars
A Poincaré-covariant vector-vector contact interaction yields an equation of state for strange quark matter whose mass-radius and tidal properties match pulsar and gravitational-wave constraints for two tuned parameter sets.
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Dark energy stars from the modified Chaplygin gas: $C-I-\Lambda-E_g-f$ universal relations
Dark energy stars from modified Chaplygin gas obey C-I-Λ-f universal relations similar to quark stars but are distinguishable via I-Eg^{-2}, Λ-Eg^{-5}, and f-Eg^{-2} relations, with GW170817 used to predict 1.4 solar-mass properties.
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Updates on dipolar anisotropy in local measurements of the Hubble constant from Cosmicflows-4
Local Hubble constant anisotropy in Cosmicflows-4 data is primarily attributed to peculiar velocities and survey structure rather than cosmic-scale isotropy violation, with limited implications for the Hubble tension.
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The stability of color-flavor-locked quark matter and massive CFL quark stars
Modified NJL model exploration finds viable parameter space where beta-equilibrated CFL quark matter is absolutely stable, supporting self-bound quark stars consistent with NICER, LIGO/Virgo, GW190814, and HESS J1731-347 observations.
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Effects of short-range correlations at high densities on neutron stars with and without DM content: role of the repulsive self-interaction
Short-range correlations soften neutron-star equations of state with quadratic vector self-interactions but stiffen them with an added fourth-order term, producing corresponding shifts in maximum masses that persist when a dark-matter fluid is included.