8 papers
Spinning Primordial Black Holes and Scalar Induced Gravitational Waves from Single Field Inflation
Abolhassan Mohammadi, Yogesh, Qiang Wu +1
We investigate the formation of primordial black holes (PBHs), their spin and abundance, in a single-field inflationary model based on a mutated hilltop potential inserted with a s…
Probing Loop Quantum Gravity black holes through gravitational lensing
Arun Kumar, Qiang Wu, Tao Zhu +1
We investigate strong gravitational lensing by a charged loop quantum gravity (LQG) black hole obtained through the polymerisation scheme of Borges \textit{et al.} \cite{Borges:202…
Lyapunov Exponent Approach to Phase Structure of Schwarzschild AdS Black Holes Surrounded by a Cloud of Strings
Arun Kumar, Qiang Wu, Tao Zhu +1
We investigate Schwarzschild black holes in anti-de Sitter (AdS) spacetimes surrounded by a cloud of strings (BH-AdS-CoS), incorporating both electric- and magnetic-like components…
Epicyclic oscillations and accretion disk around a special Buchdahl-inspired spacetime
Mirzabek Alloqulov, Mubasher Jamil, Sanjar Shaymatov +2
In this paper, we consider the Buchdahl-inspired spacetime metric and investigate its aspects using the quasiperiodic oscillations and the accretion disk due to the accreting matte…
Probing the Schwarzschild black hole immersed in a dark matter halo through astrophysical tests
Tursunali Xamidov, Sanjar Shaymatov, Qiang Wu +1
We investigate a recently derived Schwarzschild-like black hole immersed in a Dehnen-type dark matter (DM) halo. We obtain constraints on the two model paramete…
Starobinsky like inflation and EGB Gravity in the light of ACT
Yogesh, Abolhassan Mohammadi, Qiang Wu +1
The ACT data shows an enhancement in the value of the scalar spectral index, as , leading to disfavoring many inflationary models, including the Starobinsk…