Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Biswas, Parthajit"'
We explore the physics of scrambling in the moving mirror models, in which a two-dimensional CFT is subjected to a time-dependent boundary condition. It is well-known that by choosing an appropriate mirror profile, one can model quantum aspects of bl
Externí odkaz:
http://arxiv.org/abs/2406.05772
We prove the classical version of the covariant entropy bound (also known as the Bousso bound) in arbitrary diffeomorphism invariant gravitational theories. We focus on theories for which the higher derivative terms are considered as small correction
Externí odkaz:
http://arxiv.org/abs/2403.16658
Conformal field theories can exchange energy through a boundary interface. Imposing conformal boundary conditions for static interfaces implies energy conservation at the interface. Recently, the reflective and transmitive properties of such static c
Externí odkaz:
http://arxiv.org/abs/2401.11451
Publikováno v:
JHEP 05 (2023) 092
We study the behaviour of holographic entanglement entropy (HEE) in near equilibrium thermal states which are macroscopically described by conformal relativistic hydrodynamic flows dual to dynamical black brane geometries. We compute HEE for strip-sh
Externí odkaz:
http://arxiv.org/abs/2211.14271
Publikováno v:
JHEP12(2022)036
This work extends the proof of a local version of the linearized second law involving an entropy current with non-negative divergence by including the arbitrary non-minimal coupling of scalar and $U(1)$ gauge fields with gravity. In recent works, the
Externí odkaz:
http://arxiv.org/abs/2206.04538
We consider diffeomorphism invariant theories of gravity with arbitrary higher derivative terms in the Lagrangian as corrections to the leading two derivative theory of Einstein's general relativity. We construct a proof of the zeroth law of black ho
Externí odkaz:
http://arxiv.org/abs/2205.01648
Autor:
Biswas, Parthajit
In this note, we have extended the result of \citep{radiation} to calculate the membrane stress tensor up to ${\cal O}\left(\frac{1}{D}\right)$ localized on the codimension-one membrane world volume propagating in asymptotically at/AdS/dS space-time.
Externí odkaz:
http://arxiv.org/abs/1912.00476
In this note we have compared two different perturbation techniques that could be used to generate solutions of Einstein's equations in presence of negative cosmological constant. One of these two methods is derivative expansion and the other is an e
Externí odkaz:
http://arxiv.org/abs/1902.00854
In this note, we have compared two different perturbation techniques that are used to generate dynamical black-brane solutions to Einstein equation in presence of negative cosmological constant. One is the `derivative expansion', where the gravity so
Externí odkaz:
http://arxiv.org/abs/1807.05058
We have extended the results of arXiv:1704.06076 upto second subleading order in an expansion around large dimension D. Unlike the previous case, there are non-trivial metric corrections at this order. Due to our `background-covariant' formalism, the
Externí odkaz:
http://arxiv.org/abs/1805.00284