Derives an exact solution for a black hole in anisotropic dark sector FLRW background with mass co-evolving via radius-dependent coupling governed by the dark halo profile.
The Universal Rotation Curve of Spiral Galaxies: I. the Dark Matter Connection
4 Pith papers cite this work. Polarity classification is still indexing.
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abstract
We use a homogeneous sample of about 1100 rotation curves (RCs) and relative surface photometry to investigate (out to 2 optical radii and over 6 mag) the main mass structure properties of spirals. We confirm the strong dependence on luminosity for both the profile and the amplitude of RCs. Spiral RCs show the striking feature that a single parameter, the luminosity, dictates the rotation velocity at any radius for all objects, so revealing the existence of a universal RC. At high luminosity, there is a slight discrepancy between the profiles of RCs and those predicted from the luminous matter (LM) distributions: this implies a small, yet detectable, amount of dark matter (DM). At low luminosities the failure of the LM prediction is most severe, and DM is the only relevant mass component. Some of the derived scaling properties between dark and luminous galactic structure parameters are: (a) the DM/LM mass ratio at the optical radius scales inversely with luminosity; (b) the halo core radius is comparable to the optical radius, but shrinks for lower luminosities; (c) the central halo density scales as L^{-0.7}; (d) the halo virial mass scales as L^{0.5}. Such scaling properties can be represented as a curve in the luminosity-(DM/LM ratio)-(DM core radius)-(central DM density) space, which acts as the spirals' counterpart to the FP of ellipticals.
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2026 4representative citing papers
A regression model reconstructs the key parameter r_inv for semi-visible jets at higher precision than prior analytical methods and may unify s- and t-channel production searches.
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Numerical simulations show oscillons form and dominate for an extended period in Palatini gravity with non-minimal coupling, producing ultra-high-frequency gravitational waves potentially accessible to future detectors.
citing papers explorer
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Cosmological coupled black holes immersed in dark sector
Derives an exact solution for a black hole in anisotropic dark sector FLRW background with mass co-evolving via radius-dependent coupling governed by the dark halo profile.
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How Invisible: Regressing The Key Model Parameter for Semi-visible Jet Searches
A regression model reconstructs the key parameter r_inv for semi-visible jets at higher precision than prior analytical methods and may unify s- and t-channel production searches.
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Constraints on Schwarzschild Black Hole in a Generalized Dehnen-Type $(1,4,\gamma)$ Dark Matter Halo via the S2 Star Orbit around Sgr A$^\star$
Derives perihelion shift equations for S2 star in generalized Schwarzschild-Dehnen BH-DM spacetime and constrains gamma, rho_s, rs via MCMC on Do et al. and Gillessen et al. datasets.
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Oscillon Formation in Palatini Modified Gravity Theories
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