125 citations · 815 across the 36 of their papers we have counts for
25 papers · 1 filter
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…
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…
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…
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…
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…
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 geometry and interacting microstructures of BTZ black holes
Aritra Ghosh, Chandrasekhar Bhamidipati
In this work, we present a study to probe the nature of interactions between black hole microstructures for the case of the BTZ black holes. Even though BTZ black holes without any…
Contact geometry and thermodynamics of black holes in AdS spacetimes
Aritra Ghosh, Chandrasekhar Bhamidipati
In this paper we discuss a formulation of extended phase space thermodynamics of black holes in Anti de Sitter (AdS) spacetimes from the contact geometry point of view. Thermodynam…
A note on size-momentum correspondence and chaos
Sandip Mahish, Shrohan Mohapatra, Karunava Sil +1
The aim of this note is to explore Susskind's proposal [arXiv:1802.01198] on the connection between operator size in chaotic theories and the bulk momentum of a particle falling in…
Chaos in Charged Gauss-Bonnet AdS Black Holes in Extended Phase Space
Sandip Mahish, Chandrasekhar Bhamidipati
We study the onset of chaos due to temporal and spatially periodic perturbations in charged Gauss-Bonnet AdS black holes in extended thermodynamic phase space, by analyzing the zer…
A Note on Critical Nonlinearly Charged Black Holes
Pavan Kumar Yerra, Chandrasekhar Bhamidipati
Within the extended phase space thermodynamics, we study aspects of power Yang-Mills and power Maxwell black holes at criticality, as the corresponding non-linearity power paramete…
A Note on Circular Geodesics and Phase Transitions of Black Holes
Chandrasekhar Bhamidipati, Shrohan Mohapatra
The circular motion of charged test particles in the gravitational field of a Reissner-Nordström black hole in Anti de Sitter space-time is investigated, using a set of independent…
A Note on Gauss-Bonnet Black Holes at Criticality
Chandrasekhar Bhamidipati, Pavan Kumar Yerra
With in the extended thermodynamics, we give a comparative study of critical heat engines for Gauss-Bonnet and charged black holes in AdS in five dimensions, in the limit of large…
Heat Engines for Dilatonic Born-Infeld Black Holes
Chandrasekhar Bhamidipati, Pavan Kumar Yerra
In the context of dilaton coupled Einstein gravity with a negative cosmological constant and a Born-Infeld field, we study heat engines where charged black hole is the working subs…
Beta-gamma system, pure spinors and Hilbert series of arc spaces
Chandrasekhar Bhamidipati, Koushik Ray
Algorithms are presented for calculating the partition function of constrained beta-gamma systems in terms of the generating functions of the individual fields of the theory, the l…