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- Indian Centre for Space PhysicsIN143 papers
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8 papers · 2 filters
Galilean gauge theory from Poincare gauge theory
Rabin Banerjee, Pradip Mukherjee
We provide an exact mapping between the Galilian gauge theory, recently advocated by us \cite{BMM1, BMM2, BM}, and the Poincare gauge theory. Applying this correspondence we provid…
Anisotropic scalar-metric quantum cosmology and unitarity
Saumya Ghosh, Sunandan Gangopadhyay, Prasanta K. Panigrahi
In this article we perform the Wheeler-DeWitt quantization for Bianchi type anisotropic cosmological model in the presence of a scalar field minimally coupled to the Einstein-H…
Footprint of spatial noncommutativity in resonant detectors of gravitational wave
Sukanta Bhattacharyya, Sunandan Gangopadhyay, Anirban Saha
The present day gravitational wave (GW) detectors strive to detect the length variation , which, owing to the smallness of the metric perturbation , is an extreme…
Rainbow black hole thermodynamics and the generalized uncertainty principle
Rituparna Mandal, Sukanta Bhattacharyya, Sunandan Gangopadhyay
We study the phase transition of rainbow inspired higher dimensional Schwarzschild black hole incorporating the effects of the generalized uncertainty principle. First, we obtain t…
The Effect of Modified Dispersion Relation on Dumb Holes
Abhijit Dutta, Sunandan Gangopadhyay, Sebastian Bahamonde +1
In this paper, we will deform the usual energy-momentum dispersion relation of a photon gas at an intermediate scale between the Planck and electroweak scales. We will demonstrate…
Constrained field theories on Kerr backgrounds
Karan Fernandes, Amitabha Lahiri
We analyze the constraints of gauge theories on Kerr and Kerr-de Sitter spacetimes, which contain one or more horizons. We find that the constraints are modified on such background…