A rotating black-hole metric with a dark-matter halo is derived, but the proposed halo profiles do not make the spacetime asymptotically flat as claimed.
Review of Observational Evidence for Dark Matter in the Universe and in upcoming searches for Dark Stars
5 Pith papers cite this work. Polarity classification is still indexing.
abstract
Over the past decade, a consensus picture has emerged in which roughly a quarter of the universe consists of dark matter. The observational evidence for the existence of dark matter is reviewed: rotation curves of galaxies, weak lensing measurements, hot gas in clusters, primordial nucleosynthesis and microwave background experiments. In addition, a new line of research on Dark Stars is presented, which suggests that the first stars to exist in the universe were powered by dark matter heating rather than by fusion: the observational possibilities of discovering dark matter in this way are discussed.
representative citing papers
A non-minimally coupled vector field reproduces Einstein cluster dynamics that account for flat galactic rotation curves.
Derives background-hierarchy bounds for scalar, transverse-vector and tensor modes in Type 3 NGR around flat FLRW, identifying viable parameter regions where linear perturbation theory remains consistent.
COSINE-100 reports no excess events in 172.9 kg-year exposure and derives 90% CL upper limits excluding DM-electron scattering cross sections above 6.4e-33 cm2 (0.25 GeV DM, light mediator) and 3.4e-37 cm2 (0.4 GeV DM, heavy mediator).
Black hole spacetimes in dark matter spikes are solved analytically from TOV equations; ringdown quasinormal frequencies differ from Schwarzschild by up to order 10^{-4}.
citing papers explorer
-
A metric solution for rotating black holes embedded in dark matter halos with central spikes
A rotating black-hole metric with a dark-matter halo is derived, but the proposed halo profiles do not make the spacetime asymptotically flat as claimed.
-
Dark matter and modified gravity: Einstein clusters from a non-minimally coupled vector field
A non-minimally coupled vector field reproduces Einstein cluster dynamics that account for flat galactic rotation curves.
-
Gauge-invariant cosmological perturbations in Type 3 New General Relativity and background-hierarchy bounds
Derives background-hierarchy bounds for scalar, transverse-vector and tensor modes in Type 3 NGR around flat FLRW, identifying viable parameter regions where linear perturbation theory remains consistent.
-
Constraints on sub-GeV dark matter scattering on electrons with COSINE-100
COSINE-100 reports no excess events in 172.9 kg-year exposure and derives 90% CL upper limits excluding DM-electron scattering cross sections above 6.4e-33 cm2 (0.25 GeV DM, light mediator) and 3.4e-37 cm2 (0.4 GeV DM, heavy mediator).
-
Black holes surrounded by dark matter spike: Spacetime metrics and gravitational wave ringdown waveforms
Black hole spacetimes in dark matter spikes are solved analytically from TOV equations; ringdown quasinormal frequencies differ from Schwarzschild by up to order 10^{-4}.