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10 papers · 1 filter
Astrophysical Black holes: An Explanation for the Galaxy Quenching
Jay Verma Trivedi, Pankaj S. Joshi, Gopal-Krishna +1
In light of increasing observational evidence supporting the existence of ultra-compact objects, we adopt the term astrophysical black hole to refer to any object having a huge mas…
Can we bypass no-go theorem for Ricci-inverse Gravity?
Indranil Das, Joseph P Johnson, S. Shankaranarayanan
Recently, Amendola et al. proposed a geometrical theory of gravity containing higher-order derivative terms. The authors introduced anticurvature scalar , which is the trace o…
The role of Unruh effect in Bremsstrahlung
Kajol Paithankar, Sanved Kolekar
An equivalence is demonstrated, by an explicit first order quantum calculation, between the Minkowski photon emission rate in the inertial frame for an accelerating charge moving o…
Generation of CMB and Cosmological constant via bulk viscosity
Sanved Kolekar, S. Shankaranarayanan, S. M. Chitre
A simple model of uniformly expanding, homogeneous Universe with a bulk viscosity is studied wherein the inflationary density decays due to viscous dissipation during the expansion…
Directional dependence of the Unruh effect for spatially extended detectors
Sanved Kolekar
We analyse the response of a spatially extended direction-dependent local quantum system, a detector, moving on the Rindler trajectory of uniform linear acceleration in Minkowski s…
Proposal for a new quantum theory of gravity III: Equations for quantum gravity, and the origin of spontaneous localisation
Palemkota Maithresh, Tejinder P. Singh
We present a new, falsifiable, quantum theory of gravity, which we name Non-commutative Matter-Gravity. The commutative limit of the theory is classical general relativity. In the…