125 citations · 815 across the 36 of their papers we have counts for
36 papers
Off-shell Thermodynamics and Kinetics of Holographic CFTs Dual to Charged AdS Black Holes
Debabrata Sahu, Chandrasekhar Bhamidipati
We study the thermodynamics and phase structure of holographic conformal field theories dual to spherically symmetric charged AdS black holes using an off-shell free energy. We con…
Criticality of ISCOs and AdS/CFT
Chandrasekhar Bhamidipati, Parashar Chatterjee, Sudipta Mukherji +1
We study the trajectories of massive particles in spherically symmetric black holes in arbitrary dimensions, and find certain universal features based on the topological classifica…
Topological charge and black hole photon spheres in massive gravity
Pavan Kumar Yerra, Chandrasekhar Bhamidipati
In this paper, we investigate the existence and nature of the photon spheres (PS) in the background of four dimensional static and spherically symmetric black holes in the de Rham-…
Off-shell phase diagram of BPS black holes in AdS
Debabrata Sahu, Chandrasekhar Bhamidipati
We construct the off-shell free energy of supersymmetric black holes in AdS, and study the phase diagram in various limiting cases, with particular emphasis on BPS thermodynami…
Static spheres and Aschenbach effect for black holes in massive gravity
Pavan Kumar Yerra, Sudipta Mukherji, Chandrasekhar Bhamidipati
In this paper, we study the trajectories of massive and massless particles in four dimensional static and spherically symmetric black holes in de Rham-Gabadadze-Tolley (dRGT) massi…
ISCOs and the weak gravity conjecture bound in higher derivative theories of gravity
Adrinil Paul, Chandrasekhar Bhamidipati
We study circular orbits of charged particles in spherically symmetric AdS black holes in higher derivative theories of gravity, and their limiting ISCOs (innermost stable circular…
Topology of Hawking-Page transition in Born-Infeld AdS black holes
Pavan Kumar Yerra, Chandrasekhar Bhamidipati, Sudipta Mukherji
Black holes in anti de Sitter (AdS) spacetimes undergo phase transitions which typically lead to the existence of critical points, that can be classified using topological techniqu…
Cardy-Verlinde formula from boundary matrix model
Pavan Kumar Yerra, Chandrasekhar Bhamidipati, Sudipta Mukherji
Cardy-Verlinde (CV) formula relates the entropy of a conformal field theory (CFT) in arbitrary dimensions to its total energy (with an appropriate insertion of additional internal…
Thermodynamic curvature of charged black holes with horizons
Aditya Singh, Poulami Mukherjee, Chandrasekhar Bhamidipati
Sign and magnitude of the thermodynamic curvature provides empirical information about the nature of microstructures of a general thermodynamic system. For charged black holes in A…
Topology of critical points in boundary matrix duals
Pavan Kumar Yerra, Chandrasekhar Bhamidipati, Sudipta Mukherji
Computation of topological charges of the Schwarzschild and charged black holes in AdS in canonical and grand canonical ensembles allows for a classification of the phase transitio…
Contact and metric structures in black hole chemistry
Aritra Ghosh, Chandrasekhar Bhamidipati
We review recent studies of contact and thermodynamic geometry for black holes in AdS spacetimes in the extended thermodynamics framework. The cosmological constant gives rise to t…
Topology of critical points and Hawking-Page transition
Pavan Kumar Yerra, Chandrasekhar Bhamidipati, Sudipta Mukherji
Using the Bragg-Williams construction of an off-shell free energy we compute the topological charge of the Hawking-Page transition point for black holes in AdS. A computation follo…
Logarithmic corrections to black hole entropy and holography
Aritra Ghosh, Chandrasekhar Bhamidipati, Sudipta Mukherji
We compute logarithmic corrections to the black hole entropy in a holographic set up where the cosmological constant and Newton's constant are taken to be th…
Topology of Born-Infeld AdS black holes in 4D novel Einstein-Gauss-Bonnet gravity
Pavan Kumar Yerra, Chandrasekhar Bhamidipati
The topological classification of critical points of black holes in 4D Einstein-Gauss-Bonnet gravity coupled to Born-Infeld theory is investigated. Considered independently, Born-i…
Topology of black hole thermodynamics in Gauss-Bonnet gravity
Pavan Kumar Yerra, Chandrasekhar Bhamidipati
Thermodynamics of black holes in anti de Sitter (AdS) spacetimes typically contains critical points in the phase diagram, some of which correspond to the first order transition end…
Novel relations in massive gravity at Hawking-Page transition
Pavan Kumar Yerra, Chandrasekhar Bhamidipati
Sign and magnitude of Ruppeiner's curvature is an empirical indicator of the respective nature and strength of microstructures of a thermodynamic system. For d-dimensional Sc…
Logarithmic corrections to the entropy function of black holes in the open ensemble
Aritra Ghosh, Sudipta Mukherji, Chandrasekhar Bhamidipati
An `open' or -ensemble describes equilibrium systems whose control parameters are chemical potential , pressure and temperature . Such an unconstrained ensemble…
Novel logarithmic corrections to black hole entropy
Aritra Ghosh, Sudipta Mukherji, Chandrasekhar Bhamidipati
For a thermodynamic system, apart from thermal fluctuations, there are also fluctuations in thermodynamic volume when the system is in contact with a volume reservoir. For the case…
Ruppeiner curvature along a renormalization group flow
Pavan Kumar Yerra, Chandrasekhar Bhamidipati
We report on an investigation of Ruppeiner curvature for -dimensional hyperbolic black holes in anti-de Sitter spacetimes and its connection with Renormalization Group…
Ruppeiner Geometry, Phase Transitions and Microstructures of Black Holes in Massive Gravity
Pavan Kumar Yerra, Chandrasekhar Bhamidipati
Using the new normalized thermodynamic scalar curvature, we investigate the microstructures and phase transitions of black holes in massive gravity for horizons of various topologi…
Thermodynamic curvature of the Schwarzschild-AdS black hole and Bose condensation
Sandip Mahish, Aritra Ghosh, Chandrasekhar Bhamidipati
In the AdS/CFT correspondence, a dynamical cosmological constant in the bulk corresponds to varying the number of colors in the boundary gauge theory with a chemical potent…
Critical Heat Engines in Massive Gravity
Pavan Kumar Yerra, Chandrasekhar Bhamidipati
With in the extended thermodynamics, we study the efficiency of critical heat engines for charged black holes in massive gravity for spherical (), flat () and hyper…
Thermodynamic curvature of AdS black holes with dark energy
Aditya Singh, Aritra Ghosh, Chandrasekhar Bhamidipati
In this paper, we study the effect of dark energy on the extended thermodynamic structure and interacting microstructures of black holes in AdS, through an analysis of thermodynami…
Contact geometry and quantum thermodynamics of nanoscale steady states
Aritra Ghosh, Malay Bandyopadhyay, Chandrasekhar Bhamidipati
We develop a geometric formalism suited for describing the quantum thermodynamics of a certain class of nanoscale systems (whose density matrix is expressible in the McLennan--Zuba…