Further understanding the interaction between dark energy and dark matter: current status and future directions
The interaction between dark matter and dark energy can be incorporated into field theory
models of dark energy that have proved successful in alleviating the coincidence problem …
models of dark energy that have proved successful in alleviating the coincidence problem …
Quiescent and active galactic nuclei as factories of merging compact objects in the era of gravitational wave astronomy
Galactic nuclei harbouring a central supermassive black hole (SMBH), possibly surrounded
by a dense nuclear cluster (NC), represent extreme environments that house a complex …
by a dense nuclear cluster (NC), represent extreme environments that house a complex …
Observational evidence for cosmological coupling of black holes and its implications for an astrophysical source of dark energy
Observations have found black holes spanning 10 orders of magnitude in mass across most
of cosmic history. The Kerr black hole solution is, however, provisional as its behavior at …
of cosmic history. The Kerr black hole solution is, however, provisional as its behavior at …
Scalar induced gravitational waves in light of Pulsar Timing Array data
The power-law parametrization for the energy density spectrum of gravitational wave (GW)
background is a useful tool to study its physics and origin. While scalar induced secondary …
background is a useful tool to study its physics and origin. While scalar induced secondary …
Constraints on primordial curvature power spectrum with pulsar timing arrays
ZQ You, Z Yi, Y Wu - Journal of Cosmology and Astroparticle …, 2023 - iopscience.iop.org
The stochastic signal detected by NANOGrav, PPTA, EPTA, and CPTA can be explained by
the scalar-induced gravitational waves. In order to determine the scalar-induced …
the scalar-induced gravitational waves. In order to determine the scalar-induced …
Probing vector hair of black holes with extreme-mass-ratio inspirals
The bumblebee gravity model, with a vector field nonminimally coupled to gravity, is a
natural extension of the Einstein-Maxwell theory. In this theory, a black hole can carry a …
natural extension of the Einstein-Maxwell theory. In this theory, a black hole can carry a …
Model-independent reconstruction of the primordial curvature power spectrum from PTA data
Z Yi, ZQ You, Y Wu - Journal of Cosmology and Astroparticle …, 2024 - iopscience.iop.org
Recently released data from pulsar timing array (PTA) collaborations provide strong
evidence for a stochastic signal consistent with a gravitational-wave background, potentially …
evidence for a stochastic signal consistent with a gravitational-wave background, potentially …
Prospects for Taiji to detect a gravitational-wave background from cosmic strings
Recently, multiple pulsar timing array collaborations have presented compelling evidence
for a stochastic signal at nanohertz frequencies, potentially originating from cosmic strings …
for a stochastic signal at nanohertz frequencies, potentially originating from cosmic strings …
Adiabatic waveforms from extreme-mass-ratio inspirals: an analytical approach
Scientific analysis for the gravitational wave detector LISA will require theoretical waveforms
from extreme-mass-ratio inspirals (EMRIs) that extensively cover all possible orbital and spin …
from extreme-mass-ratio inspirals (EMRIs) that extensively cover all possible orbital and spin …
Dancing in the dark: detecting a population of distant primordial black holes
M Martinelli, F Scarcella, NB Hogg… - … of Cosmology and …, 2022 - iopscience.iop.org
Primordial black holes (PBHs) are compact objects proposed to have formed in the early
Universe from the collapse of small-scale over-densities. Their existence may be detected …
Universe from the collapse of small-scale over-densities. Their existence may be detected …