Non-boost invariant fluid dynamics
We consider uncharged fluids without any boost symmetry on an arbitrary curved
background and classify all allowed transport coefficients up to first order in derivatives. We …
background and classify all allowed transport coefficients up to first order in derivatives. We …
The photon sphere and the AdS/CFT correspondence
By rephrasing the radial Klein--Gordon equation for a scalar field on anti-de Sitter (AdS)
Schwarzschild black hole background in terms of an auxiliary field that satisfies a …
Schwarzschild black hole background in terms of an auxiliary field that satisfies a …
Hyperscaling violating black holes with spherical and hyperbolic horizons
JF Pedraza, W Sybesma… - Classical and Quantum …, 2019 - iopscience.iop.org
We present a new family of charged black holes with hyperscaling violating asymptotics and
non-trivial horizon topology, for arbitrary Lifshitz exponent z and hyperscaling violation …
non-trivial horizon topology, for arbitrary Lifshitz exponent z and hyperscaling violation …
dilaton gravity from reductions of some nonrelativistic theories
KS Kolekar, K Narayan - Physical Review D, 2018 - APS
We study dilaton-gravity theories in two dimensions obtained by dimensional reduction of
higher-dimensional nonrelativistic theories. Focusing on certain families of extremal charged …
higher-dimensional nonrelativistic theories. Focusing on certain families of extremal charged …
Greybody factors of holographic superconductors with Lifshitz scaling
We study the quasinormal modes and thermal radiation of massless spin-0 field
perturbations in the background of four-dimensional (4D) non-Abelian charged Lifshitz black …
perturbations in the background of four-dimensional (4D) non-Abelian charged Lifshitz black …
Cosmological singularities and 2-dimensional dilaton gravity
R Bhattacharya, K Narayan, P Paul - Journal of High Energy Physics, 2020 - Springer
A bstract We study Big-Bang or-Crunch cosmological singularities in 2-dimensional dilaton-
gravity-scalar theories, in general obtained by dimensional reduction of higher dimensional …
gravity-scalar theories, in general obtained by dimensional reduction of higher dimensional …
[HTML][HTML] Collision of particles and energy extraction in hyperscaling violation background
In this paper, we investigate particle collision near the charged black hole with hyperscaling
violating factor under different conditions on mass, charge and θ parameters. In that case …
violating factor under different conditions on mass, charge and θ parameters. In that case …
[HTML][HTML] Flow of shear response functions in hyperscaling violating Lifshitz theories
A Chattopadhyay, D Mukherjee - The European Physical Journal C, 2023 - Springer
We study the flow equations of the shear response functions for hyperscaling violating
Lifshitz (hvLif) theories, with Lifshitz and hyperscaling violating exponents z and\(\theta\) …
Lifshitz (hvLif) theories, with Lifshitz and hyperscaling violating exponents z and\(\theta\) …
Braneworld holography
M Riojas - 2024 - repositories.lib.utexas.edu
Here we describe recent progress toward resolving the long-standing black hole information
paradox through the Randall-Sundrum (RS) model, which considers a universe embedded …
paradox through the Randall-Sundrum (RS) model, which considers a universe embedded …
[PDF][PDF] Aspects of holography: mainly nAdS2 holography from dimensional reduction and non-relativistic holography for hyperscaling violating Lifshtiz theories
KS Kolekar - 2020 - libarchive.cmi.ac.in
The Bekenstein-Hawking entropy formula [1, 2] states that the entropy of a black hole is
proportional to area of the horizon rather than its volume. This motivated the holographic …
proportional to area of the horizon rather than its volume. This motivated the holographic …