Gravitational self force from scattering amplitudes in curved space
D Kosmopoulos, MP Solon - Journal of High Energy Physics, 2024 - Springer
A bstract We employ scattering amplitudes in curved space to model the dynamics of a light
probe particle with mass m orbiting in the background spacetime induced by a heavy …
probe particle with mass m orbiting in the background spacetime induced by a heavy …
Chaos and pole-skip** in rotating black holes
A bstract We study the connection between many-body quantum chaos and energy
dynamics for the holographic theory dual to the Kerr-AdS black hole. In particular, we …
dynamics for the holographic theory dual to the Kerr-AdS black hole. In particular, we …
Complex geodesics in de Sitter space
A bstract The two-point function of a free massive scalar field on a fixed background can be
evaluated in the large mass limit by using a semiclassical geodesic approximation. In de …
evaluated in the large mass limit by using a semiclassical geodesic approximation. In de …
Chaos and complementarity in de Sitter space
A bstract We consider small perturbations to a static three-dimensional de Sitter geometry.
For early enough perturbations that satisfy the null energy condition, the result is a …
For early enough perturbations that satisfy the null energy condition, the result is a …
Soft graviton exchange and the information paradox
N Gaddam, N Groenenboom - Physical Review D, 2024 - APS
We show that there is a remarkable phase in quantum gravity where gravitational scattering
amplitudes mediated by virtual gravitons can be calculated explicitly in effective field theory …
amplitudes mediated by virtual gravitons can be calculated explicitly in effective field theory …
Slow scrambling in extremal BTZ and microstate geometries
A bstract Out-of-time-order correlators (OTOCs) that capture maximally chaotic properties of
a black hole are determined by scattering processes near the horizon. This prompts the …
a black hole are determined by scattering processes near the horizon. This prompts the …
Holographic probes of inner horizons
A bstract We study the inner horizons of rotating and charged black holes in anti-de Sitter
space. These black holes have a classical analytic extension through the inner horizon to …
space. These black holes have a classical analytic extension through the inner horizon to …
Notes on AdS-Schwarzschild eikonal phase
A bstract We consider the eikonal phase associated with the gravitational scattering of a
highly energetic light particle off a very heavy object in AdS spacetime. A simple expression …
highly energetic light particle off a very heavy object in AdS spacetime. A simple expression …
Soft graviton exchange and the information paradox
N Gaddam, N Groenenboom - arxiv preprint arxiv:2012.02355, 2020 - arxiv.org
We show that there is a remarkable phase in quantum gravity where gravitational scattering
amplitudes mediated by virtual gravitons can be calculated explicitly in effective field theory …
amplitudes mediated by virtual gravitons can be calculated explicitly in effective field theory …
Critical quenches, OTOCs and early-time chaos
S Das, B Ezhuthachan, A Kundu, S Porey… - Journal of High Energy …, 2022 - Springer
A bstract In this article, we explore dynamical aspects of Out-of-Time-Order correlators
(OTOCs) for critical quenches, in which an initial non-trivial state evolves with a CFT …
(OTOCs) for critical quenches, in which an initial non-trivial state evolves with a CFT …