23 citations · 120 across the 15 of their papers we have counts for
16 papers
Bianchi-I Cosmology with Radiation in Asymptotically Safe Gravity
Chiang-Mei Chen, Ting-Kui Fan, Rituparna Mandal +1
We study the late-time evolution of an anisotropic Bianchi-I universe with radiation in the framework of asymptotically safe gravity. We first discuss the radiation-dominated unive…
Bianchi-I cosmology with scale dependent and in asymptotically safe gravity
Chiang-Mei Chen, Akihiro Ishibashi, Rituparna Mandal +1
We study anisotropic Bianchi-I cosmology, incorporating quantum gravitational corrections into the Einstein equation through the scale-dependent Newton coupling and cosmological te…
Singularity resolution and regular black hole formation in gravitational collapse in asymptotically safe gravity
Tomohiro Harada, Chiang-Mei Chen, Rituparna Mandal
We adopt an effective action inspired by asymptotically safe gravity, in which the effective gravitational constant is parametrized as …
On the Cutoff Scale Identification of FLRW Cosmology in Asymptotically Safe Gravity
Chiang-Mei Chen, Rituparna Mandal, Nobuyoshi Ohta
We examine Friedmann-Lemaître-Robertson-Walker cosmology, incorporating quantum gravitational corrections through the functional renormalization group flow of the effective action…
Asymptotically safe cosmology with non-canonical scalar field
Rituparna Mandal, Soma Sanyal
We investigate the quantum modified cosmological dynamical equations in a Friedmann-Robertson-Walker universe filled with a barotropic fluid and a general non-canonical scalar fiel…
Interference and reflection from the event horizon of a quantum corrected black hole
Sunandan Gangopadhyay, Soham Sen, Rituparna Mandal
In this work, we calculate the Hawking temperature for a quantum corrected black hole geometry using the method. We observe that quantum gravity…
Newtonian cosmology from quantum corrected Newtonian potential
Rituparna Mandal, Sunandan Gangopadhyay, Amitabha Lahiri
We study the Newtonian cosmology taking into account the leading classical and quantum corrections of order in the Newtonian potential. We first derive the mod…
Near horizon approximation and beyond for a two-level atom falling into a Kerr-Newman black hole
Soham Sen, Rituparna Mandal, Sunandan Gangopadhyay
In this work we investigate the phenomena of acceleration radiation for a two-level atom falling into the event horizon of a Kerr-Newman black hole. In https://link.aps.org/doi/10.…
Bianchi-I cosmology in quantum gravity
Sunandan Gangopadhyay, Rituparna Mandal, Amitabha Lahiri
The exact renormalization group flow equations for gravity lead to quantum corrections of Newton's constant and cosmological constant. Using this we investigate the Bianchi-I cosmo…
Near horizon aspects (and beyond) of acceleration radiation of an atom falling into a large class of static spherically symmetric black hole geometries
Soham Sen, Rituparna Mandal, Sunandan Gangopadhyay
The near horizon aspects (and beyond) of a black hole metric, which belongs to a large class of static spherically symmetric black holes, are considered here. It has been realized…
Black hole thermodynamics in asymptotically safe gravity
Rituparna Mandal, Sunandan Gangopadhyay
We have investigated the black hole thermodynamics and the phase transition for renormalized group improved asymptotically safe Schwarzschild black hole. This geometry takes into a…
Equivalence principle and HBAR entropy of an atom falling into a quantum corrected black hole
Soham Sen, Rituparna Mandal, Sunandan Gangopadhyay
In this work, we have investigated the phenomenon of acceleration radiation exhibited by an atom falling into a quantum corrected Schwarzschild black hole. We observe that the exci…
Cosmology with modified continuity equation in asymptotically safe gravity
Rituparna Mandal, Sunandan Gangopadhyay, Amitabha Lahiri
We study FLRW cosmology, taking into account quantum gravitational corrections in the formalism of the exact renormalization group flow of the effective action for gravity. We calc…
Cosmology of Bianchi type-I metric using renormalization group approach for quantum gravity
Rituparna Mandal, Sunandan Gangopadhyay, Amitabha Lahiri
We study the anisotropic Bianchi type-I cosmological model at late times, taking into account quantum gravitational corrections in the formalism of the exact renormalization group…
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…
Accretion onto a noncommutative inspired Schwarzschild black hole
Biplab Paik, Sunandan Gangopadhyay
In this paper we investigate the problem of ordinary baryonic matter accretion onto the noncommutative geometry inspired Schwarzschild black hole. The fundamental equations governi…