activity
20182026
most citedJoule-Thomson expansion in AdS black hole with a global monopole

56 citations · 274 across the 21 of their papers we have counts for

collaborators

21 papers

gr-qc2026

Thermodynamics and phase transitions of -deformed Schwarzschild-AdS black holes

A. Naveena Kumara, Vishnu Rajagopal, Puxun Wu

We investigate the thermodynamics of the Schwarzschild-AdS black hole in the framework of \(κ\)-deformed non-commutative geometry by constructing an effective \(κ\)-deformed Schwar…

gr-qc2025★ 5 cited

Euclidean Thermodynamics and Lyapunov Exponents of Einstein-Power-Yang-Mills AdS Black Holes

Karthik R., Dillirajan D., K. M. Ajith +3

We study the thermodynamics of Einstein-Power-Yang-Mills AdS black holes via the Euclidean path integral method, incorporating appropriate boundary and counterterms. By analyzing u…

gr-qc2024★ 5 cited

Perturbations of Black Holes Surrounded by Anisotropic Matter Field

Sagar J C, Karthik R, Katheek Hegde +3

Our research aims to probe the anisotropic matter field around black holes using black hole perturbation theory. Black holes in the universe are usually surrounded by matter or fie…

gr-qc2024★ 1 cited

Spinning LQG black hole as a particle accelerator

Ullas P. Suresh, Karthik R, K. M. Ajith +3

We demonstrate that the spinning LQG black hole can act as a cosmic particle accelerator. The LQG solution is singularity-free and can possess spin greater than that of a Kerr blac…

gr-qc2024

Lyapunov Exponents and Phase Structure of Lifshitz and Hyperscaling Violating Black Holes

A. Naveena Kumara, Shreyas Punacha, Md Sabir Ali

We study the phase structure of hyperscaling violating black holes using Lyapunov exponents. For describing hyperscaling violating system, we chose a particular gravity model const…

gr-qc2023

Dynamic Phase Transition of Black Holes in Massive Gravity

T. K. Safir, A. Naveena Kumara, Shreyas Punacha +3

The dynamical properties of small-large black hole phase transition in dRGT non-linear massive gravity theory are studied based on the underlying free energy landscape. The free en…

gr-qc2021★ 2 cited

Dynamics and kinetics of phase transition for regular AdS black holes in general relativity coupled to non-linear electrodynamics

A. Naveena Kumara, Shreyas Punacha, Kartheek Hegde +3

Employing the free energy landscape, we study the phase transition and its dynamics for a class of regular black holes in Anti-de Sitter spacetime governed by the coupling of non-l…

gr-qc2021★ 3 cited

Greybody factor for an electrically charged regular-de Sitter black holes in -dimensions

Md Sabir Ali, A. Naveena Kumara, Kartheek Hegde +3

We investigate the propagation of scalar fields in the gravitational background of higher-dimensional, electrically charged, regular de Sitter black holes. Using an approximate ana…

gr-qc2021★ 2 cited

Thermodynamics, photon sphere and thermodynamic geometry of Ayón-Beato-García Spacetime

Kartheek Hegde, A. Naveena Kumara, C. L. Ahmed Rizwan +3

We study the thermodynamics of the Ayón-Beato-García black hole and the relationship between photon orbits and the thermodynamic phase transitions of the black hole in AdS spacetim…

gr-qc2020★ 7 cited

Rotating Black Hole with an Anisotropic Matter Field as a Particle Accelerator

C. L. Ahmed Rizwan, A. Naveena Kumara, Kartheek Hegde +2

Recently, a generalised solution for Einstein equations of a rotating compact body, surrounded by matter field was proposed, which is the Kerr-Newman spacetime with an anisotropic…

gr-qc2020★ 20 cited

Null Geodesics and Thermodynamic Phase Transition of Four-Dimensional Gauss-Bonnet AdS Black Hole

Kartheek Hegde, A. Naveena Kumara, C. L. Ahmed Rizwan +2

Modified gravity theories are of great interest in both observational and theoretical studies. In this article we study the correlation between the null geodesics in the background…

gr-qc2020★ 34 cited

Ruppeiner Geometry, Reentrant Phase transition and Microstructure of Born-Infeld AdS Black Hole

A. Naveena Kumara, C. L. Ahmed Rizwan, Kartheek Hegde +2

Born-Infeld AdS black hole exhibits a reentrant phase transition for certain values of the Born-Infeld parameter . This behaviour is an additional feature compared to the van de…

gr-qc2020

Microstructure of five-dimensional neutral Gauss-Bonnet black hole in anti-de Sitter spacetime via criticality

A. Naveena Kumara, C. L. Ahmed Rizwan, Kartheek Hegde +2

In this article, we analytically investigate the microstructure of a five-dimensional neutral Gauss-Bonnet black hole, in the background of anti-de Sitter spacetime, using scalar c…

gr-qc2020★ 28 cited

Rotating 4D Gauss-Bonnet black hole as particle accelerator

A. Naveena Kumara, C. L. Ahmed Rizwan, Kartheek Hegde +2

We demonstrate that the four-dimensional Gauss-Bonnet black hole can act as a particle accelerator with arbitrarily high centre-of-mass energy, during the collision of two general…

gr-qc2020★ 9 cited

Microstructure and continuous phase transition of a regular Hayward black hole in anti-de Sitter spacetime

A. Naveena Kumara, C. L. Ahmed Rizwan, Kartheek Hegde +2

We study the phase transition of a regular Hayward-AdS black hole by introducing a new order parameter, the potential conjugate to the magnetic charge due to the non-linearly coupl…

gr-qc2020★ 28 cited

Repulsive Interactions in the Microstructure of Regular Hayward Black Hole in Anti-de Sitter Spacetime

A. Naveena Kumara, C. L. Ahmed Rizwan, Kartheek Hegde +1

We study the interaction between the microstructures of Hayward-AdS black hole using Ruppeiner geometry. Our investigation shows that the dominant interaction between the black hol…

gr-qc2020★ 16 cited

Thermodynamics, Phase Transition and Joule Thomson Expansion of 4-D Gauss-Bonnet AdS Black Hole

Kartheek Hegde, A. Naveena Kumara, C. L. Ahmed Rizwan +3

We explore the thermodynamic and phase transition properties of asymptotically AdS black holes within Einstein-Gauss-Bonnet gravity, focusing on Joule Thomson expansion. Thermodyna…

gr-qc2020★ 27 cited

Joule-Thomson Expansion of Regular Bardeen AdS Black Hole Surrounded by Static Anisotropic Quintessence Field

Rajani. K., C. L. Ahmed Rizwan, A. Naveena Kumara +2

In the present paper, we investigate the required anisotropy of an exact regular Bardeen black hole characterized by its mass , the nonlinear parameter , the quintessence fie…

gr-qc2019★ 10 cited

Critical Behaviour and Microscopic Structure of Charged AdS Black Hole with a Global Monopole in Extended and Alternate Phase Spaces

A. Naveena Kumara, C. L. Ahmed Rizwan, Deepak Vaid +1

A detailed discussion on phase transition and microscopic structure of charged AdS black hole with a global monopole is presented in both extended and alternate phase spaces. In th…

gr-qc2018★ 21 cited

Effect of Dark Energy in Geometrothermodynamics and Phase Transitions of Regular Bardeen AdS Black Hole

C. L. Ahmed Rizwan, A. Naveena Kumara, K. V. Rajani +2

We investigate thermodynamics and geometrothermodynamics of regular Bardeen AdS black hole with quintessence. The thermodynamics of the black hole is studied using temperature-entr…

gr-qc2018★ 56 cited

Joule-Thomson expansion in AdS black hole with a global monopole

C. L. Ahmed Rizwan, A. Naveena Kumara, Deepak Vaid +1

In this paper, we investigate the Joule Thomson effects for AdS black holes with a global monopole. We study the effect of the global monopole parameter η on the inversion temperat…