26 citations · 182 across the 32 of their papers we have counts for
33 papers
Towards graviton lasing from squeezed ultra-cold systems
Soham Sen, Vlatko Vedral
In our recent work, arXiv:2604.11474 [hep-th], we have shown that effective detection of gravitons is possible using an array of charged harmonic oscillators in a dynamical electro…
Post-Newtonian analysis of the quantum signatures of gravity
Tuhin Chatterjee, Soham Sen, Sunandan Gangopadhyay
In a recent work \href{https://doi.org/10.1103/PRXQuantum.2.010325}{PRX QUANTUM 2 (2021) 010325}, a new way of investigating quantum gravity signatures using quantum information th…
`Seeing' the quantum ripples of spacetime
Soham Sen, Vlatko Vedral
We propose a novel way of detecting gravitons using emission of photons from charged array of quantum harmonic oscillators placed inside of a cavity while the cavity is being pumpe…
Quantum gravitational deflection of parallel matter wave beams
Soham Sen, Vlatko Vedral
It is well known that two parallel photon beams do not deflect under the effect of their energy-momentum tensor. In this work, we propose a novel model where two spatially separate…
Gravity mediated entanglement of phonons in Bose-Einstein condensates
Soham Sen, Sunandan Gangopadhyay, Vlatko Vedral
The eigenstates of two test-masses (where each test-mass is placed inside of a harmonic trap) separated by a distance, can get entangled where gravity acts as the mediator of entan…
Signatures of Quantum Gravity In Relativistic Quantum Systems
Soham Sen
In this thesis, we have used a linearized quantum gravity setting to investigate the effects of gravitons on matter systems. Based on the graviton-matter interaction, we have then…
Detecting gravitational waves by emission of photons from charged Weber bars
Soham Sen
In this work, we propose a novel experimental set-up using charged resonant gravitational wave detectors. We exploit the semi-classical analogue of the Gertsenshtein effect where t…
Quantum coherence measures in entangled atomic systems
Arnab Mukherjee, Soham Sen, Sunandan Gangopadhyay
In this study, we investigate the effect of the Lorentz transformation on the measures of quantum coherence in an entangled atomic system. Here, we consider the effect of this rela…
Density matrix analysis of systems influenced by periodic Hamiltonians
Soham Sen, Manjari Dutta, Sunandan Gangopadhyay
In this work, we consider simple systems that are influenced by Hamiltonians with time periodicity. Our analysis is mainly focussed on the density matrix approach and aims to solve…
Derivative coupling in horizon brightened acceleration radiation: a quantum optics approach
Ashmita Das, Anjana Krishnan, Soham Sen +1
Horizon Brightened Acceleration Radiation (HBAR) signifies a unique radiation process and provides a promising framework in exploring acceleration radiation in flat/ curved spaceti…
Inverse logarithmic correction in the HBAR entropy of an atom falling into a renormalization group improved charged black hole
Arpita Jana, Soham Sen, Sunandan Gangopadhyay
In this work, we have considered a spherically symmetric non-rotating charged black hole geometry where both the Newton's gravitational constant and the charge of the black hole fl…
Renormalization group improved cosmology in the presence of a stiff matter era
Gopinath Guin, Soham Sen, Sunandan Gangopadhyay
In \href{https://link.aps.org/doi/10.1103/PhysRevD.92.103004}{Phys. Rev. D 92 (2015) 103004}, simple analytical solutions of the Friedman equations were obtained for a universe hav…
Quantum nature of gravity in a Bose-Einstein condensate
Soham Sen, Sunandan Gangopadhyay
The effect of noise induced by gravitons on a Bose-Einstein condensate has been explored in (Phys. Rev. D 110 (2024) 026014; https://link.aps.org/doi/10.1103/PhysRevD.110.026014).…
Thermodynamics of a Schwarzschild black hole surrounded by quintessence in the generalized uncertainty principle framework
Soham Sen, Abhijit Dutta, Sunandan Gangopadhyay
We investigate the thermodynamics of a Schwarzschild black hole, surrounded by the quintessence energy-matter in the linear and quadratic generalized uncertainty principle framewor…
Quantum coherence measures for generalized Gaussian wave packets under a Lorentz boost
Arnab Mukherjee, Soham Sen, Sunandan Gangopadhyay
In this paper we consider a single particle, spin-momentum entangled state and measure the effect of relativistic boost on quantum coherence. The effect of the relativistic boost o…
Quantum gravity signatures in gravitational wave detectors placed inside a harmonic trap potential
Soham Sen, Sunandan Gangopadhyay, Sukanta Bhattacharyya
In this work, we consider a general gravitational wave detector of gravitational wave interacting with an incoming gravitational wave carrying plus polarization only placed inside…
Atom falling into a quantum corrected charged black hole and HBAR entropy
Arpita Jana, Soham Sen, Sunandan Gangopadhyay
In an earlier analysis \href{https://link.aps.org/doi/10.1103/PhysRevD.105.085007}{Phys. Rev. D 105 (2022) 085007}, we have explored the event of acceleration radiation for an atom…
Bose-Einstein condensate as a quantum gravity probe; "Erste Abhandlung"
Soham Sen, Sunandan Gangopadhyay
We consider a Bose-Einstein condensate interacting with a gravitational wave for the case when the gravitational fluctuations are quantized in order to incorporate quantum gravity…
Probing the quantum nature of gravity using a Bose-Einstein condensate
Soham Sen, Sunandan Gangopadhyay
The effect of noise induced by gravitons has been investigated using a Bose-Einstein condensate. The gravitational wave perturbation is then considerd as a sum of discrete Fourier…
Uncertainty principle from the noise of gravitons
Soham Sen, Sunandan Gangopadhyay
The effect of the noise induced by gravitons in the case of a freely falling particle from the viewpoint of an external observer has been recently calculated in \href{https://link.…
Horizon brightened accelerated radiation in the background of braneworld black holes
Ashmita Das, Soham Sen, Sunandan Gangopadhyay
The concept of horizon brightened acceleration radiation (HBAR) has brought to us a distinct mechanism of particle production in curved spacetime. In this manuscript we examine the…
Entanglement degradation as a tool to detect signatures of quantum gravity
Soham Sen, Arnab Mukherjee, Sunandan Gangopadhyay
We investigate entanglement degradation in the vicinity of a quantum corrected black hole. We consider a biprtite system (Alice-Rob) with Alice freely falling (radially) into the e…
Resonant detectors of gravitational wave in the linear and quadratic generalized uncertainty principle framework
Sukanta Bhattacharyya, Soham Sen, Sunandan Gangopadhyay
In this work, we consider a resonant bar detector of gravitational wave in the generalized uncertainty principle (GUP) framework with linear and quadratic momentum uncertainties. T…
Lewis and Berry phases for a gravitational wave interacting with a quantum harmonic oscillator
Soham Sen, Manjari Dutta, Sunandan Gangopadhyay
In this work, we consider a gravitational wave interacting with a quantum harmonic oscillator in the transverse-traceless gauge. We take the gravitational wave to be carrying the s…