173 citations · 880 across the 33 of their papers we have counts for
33 papers
Observational Signatures: Shadow cast by the effective metric of photons for black holes with rational non-linear electrodynamics
Akhil Uniyal, Sayan Chakrabarti, Mohsen Fathi +1
This study explores spherically symmetric non-linear electrodynamics black holes and their effects on light propagation. We derive the governing metric, revealing radial coordinate…
Shadow and Weak Gravitational lensing of rotating traversable Wormhole in Non-homogeneous Plasma Space-time
Saurabh Kumar, Akhil Uniyal, Sayan Chakrabarti
In this work, we have studied the behavior of null geodesics within a rotating wormhole space-time in non-magnetized pressure-less plasma. By focusing on the dispersion relation of…
Hydrodynamics of dimensional fluid in the presence of gravitational anomaly from first order thermodynamics
Abhinove Nagarajan Seenivasan, Sayan Chakrabarti, Bibhas Ranjan Majhi
Considering ()-dimensional fluid in presence of gravitational trace anomaly, as an effective description of higher-dimensional fluid, the hydrodynamics is discussed through a…
Velocity dispersion of dark matter deficient ultra-diffuse galaxies: A case for modified gravity
Esha Bhatia, Sayan Chakrabarti, Sovan Chakraborty
The line of sight velocity dispersion of the ultra-diffuse galaxies (UDGs) NGC1052-DF2 and NGC1052-DF4 have been reasonably explained only with the baryonic matter, without requiri…
Nonlinearly charged black holes: Shadow and Thin-accretion disk
Akhil Uniyal, Sayan Chakrabarti, Reggie C. Pantig +1
In this paper, we explore the effect of non-linear electrodynamics (NLED) parameters and magnetic charges on various aspects of black holes, like how they bend light, how they emit…
Scalar fluid in scalar-tensor gravity from an equivalent picture of thermodynamic and fluid descriptions of gravitational dynamics
Abhinove Nagarajan Seenivasan, Sayan Chakrabarti, Bibhas Ranjan Majhi
We revisit the thermodynamic description of fluid, represented by scalar field in scalar-tensor gravity theory through a general approach to study the thermodynamics of relativisti…