55 citations · 156 across the 21 of their papers we have counts for
21 papers
Topology in Holographic Mean-Field Theory at Zero and Finite Temperature
Moongul Byun, Taewon Yuk, Young-Kwon Han +2
We investigate topological invariants in strongly interacting many-body systems within holographic mean-field theory (H-MFT) framework. Analytic expressions for retarded Green's fu…
Holographic mean field theory and Kondo lattice
Young-Kwon Han, Debabrata Ghorai, Taewon Yuk +1
We first study a non-relativistic field theory model for the Kondo lattice by introducing the Kondo condensation, whose main effect is the hybridization of the flat band of the loc…
Classes of Holographic Mott Gaps
Debabrata Ghorai, Taewon Yuk, Young-Kwon Han +1
The fermion gaps are classified into order gap or Mott gap depending on the presence/absence of the order parameter. We construct the holographic model of the Mott gap using the fi…
Order parameter and spectral function in -wave holographic superconductors
Debabrata Ghorai, Taewon Yuk, Sang-Jin Sin
We consider the -wave holographic superconductor model with full backreaction on the metric, addressing a missing part in the literature. We have identified the corrected order…
Fermi arc in -wave holographic superconductors
Debabrata Ghorai, Taewon Yuk, Sang-Jin Sin
We have investigated the fermionic spectral function in -wave holographic superconductors. We show that the vector model with minimal coupling reveals a -wave spectral functi…
Momentum dependent gap in holographic superconductors revisited
Debabrata Ghorai, Yoon-Seok Choun, Sang-Jin Sin
We reconsider the angular dependence in gap structure of holographic superconductors, which has not been treated carefully so far. For the vector field model, we show that the norm…
Analytical study of holographic superconductor with backreaction in Gauss-Bonnet gravity
Debabrata Ghorai, Sunandan Gangopadhyay
In this paper we have analytically investigated holographic superconductors in four dimensional Einstein-Gauss-Bonnet gravity background. Recently the novel four dimensional Einste…
Holographic insulator/superconductor phase transition by matching method and thermodynamic geometry
Diganta Parai, Debabrata Ghorai, Sunandan Gangopadhyay
In this work, we have analytically analyzed the insulator/superconductor phase transition in the presence of a 5-dimensional soliton background using matching method and ther…
Effect of magnetic field on holographic insulator/superconductor phase transition in higher dimensional Gauss-Bonnet gravity
Diganta Parai, Debabrata Ghorai, Sunandan Gangopadhyay
In this paper, we have investigated the effect of magnetic field numerically as well as analytically for holographic insulator/superconductor phase transition in higher dimensional…
-wave holographic superconductors with massive vector condensate in Born-Infeld electrodynamics
Ankur Srivastav, Debabrata Ghorai, Sunandan Gangopadhyay
In this paper, we have studied the effect of Born-Infeld electrodynamics in holographic -wave superconductors with massive vector condensation. We have analysed this model in th…
Meissner effect in holographic superconductors with Dirac-Born-Infeld electrodynamics
Debabrata Ghorai, Sunandan Gangopadhyay, Rabin Banerjee
In this paper, we have investigated the Meissner effect of holographic superconductors in the presence of Dirac-Born-Infeld electrodynamics. The matching method is applied to obtai…
Holographic insulator/superconductor phase transition in higher dimensional Gauss-Bonnet gravity
Diganto Parai, Sunandan Gangopadhyay, Debabrata Ghorai
In this work, we have analytically investigated the insulator/superconductor phase transition in the presence of -dimensional Gauss-Bonnet AdS soliton background. Using the Stur…
Holographic entanglement thermodynamics for higher dimensional charged black hole
Sourav Karar, Debabrata Ghorai, Sunandan Gangopadhyay
In this paper, we have investigated the entanglement thermodynamics for -dimensional charged black hole by studying the holographic entanglement entropy in different cases…
Path integral action of a particle in -Minkowski spacetime
Ravikant Verma, Debabrata Ghorai, Sunandan Gangopadhyay
In this letter, we derive the path integral action of a particle in -Minkowski spacetime. The equation of motion for an arbitrary potential due to the -deformation of the Min…
Noncommutative effects of charged black hole on holographic superconductors
Diganta Parai, Debabrata Ghorai, Sunandan Gangopadhyay
In this paper, we analytically investigate the noncommutative effects of a charged black hole on holographic superconductors. The effects of charge of the black hole is investigate…
Conductivity of holographic superconductors in Born-Infeld electrodynamics
Debabrata Ghorai, Sunandan Gangopadhyay
In this paper, we have analytically computed the conductivity of holographic superconductors in the framework of Born-Infeld electrodynamics taking into account the backreaction of…
Viscosity to entropy density ratio for non-extremal Gauss-Bonnet black holes coupled to Born-Infeld electrodynamics
Saurav Das, Sunandan Gangopadhyay, Debabrata Ghorai
The ratio of the shear viscosity to the entropy density is calculated for non-extremal Gauss-Bonnet (GB) black holes coupled to Born-Infeld (BI) electrodynamics in dimensions.…
Non-linear effects on the holographic free energy and thermodynamic geometry
Debabrata Ghorai, Sunandan Gangopadhyay
We have analytically investigated the effects of non-linearity on the free energy and thermodynamic geometry of holographic superconductors in dimensions. The non-linear eff…
Holographic free energy and thermodynamic geometry
Debabrata Ghorai, Sunandan Gangopadhyay
We analytically obtain the free energy and thermodynamic geometry of holographic superconductors in -dimensions. The gravitational theory in the bulk dual to this -dimens…
Noncommutative effects of spacetime on holographic superconductors
Debabrata Ghorai, Sunandan Gangopadhyay
The Sturm-Liouville eigenvalue method is employed to analytically investigate the properties of holographic superconductors in higher dimensions in the framework of Born-Infeld ele…
Higher dimensional holographic superconductors in Born-Infeld electrodynamics with backreaction
Debabrata Ghorai, Sunandan Gangopadhyay
In this paper, we analytically investigate the properties of holographic superconductors in higher dimensions in the framework of Born-Infeld electrodynamics taking into account th…