Nonlinear Langevin dynamics via holography

B Chakrabarty, J Chakravarty, S Chaudhuri… - Journal of High Energy …, 2020 - Springer
A bstract In this work, we consider non-linear corrections to the Langevin effective theory of a
heavy quark moving through a strongly coupled CFT plasma. In AdS/CFT, this system can …

Thermal three-point functions from holographic Schwinger-Keldysh contours

C Pantelidou, B Withers - Journal of High Energy Physics, 2023 - Springer
A bstract We compute fully retarded scalar three-point functions of holographic CFTs at finite
temperature using real-time holography. They describe the nonlinear response of a …

Black hole excited states from broken translations in Euclidean time

C Pantelidou, B Withers - Journal of High Energy Physics, 2024 - Springer
A bstract We prepare an excited finite temperature state in\(\mathcal {N}\)= 4 SYM by means
of a Euclidean path integral with a relevant deformation. The deformation explicitly breaks …

Holographic thermal correlators: a tale of Fuchsian ODEs and integration contours

R Loganayagam, M Rangamani, J Virrueta - Journal of High Energy …, 2023 - Springer
A bstract We analyze real-time thermal correlation functions of conserved currents in
holographic field theories using the grSK geometry, which provides a contour prescription …

Revisiting extremal couplings in AdS/CFT

A Castro, PJ Martinez - Journal of High Energy Physics, 2024 - Springer
A bstract We consider an effective theory of massive scalar fields on a fixed AdS d+ 1
background with a cubic extremal interaction among them. A bulk coupling is called …

Holographic KMS relations at finite density

R Loganayagam, K Ray, SK Sharma… - Journal of High Energy …, 2021 - Springer
A bstract We extend the holographic Schwinger-Keldysh prescription introduced in [1] to
charged black branes, with a view towards studying Hawking radiation in these …

Fermionic open EFT from holography

R Loganayagam, K Ray, A Sivakumar - arXiv preprint arXiv:2011.07039, 2020 - arxiv.org
In this work we initiate the study of open effective field theories of fermions interacting with
holographic baths. As a first step in this direction, we explain how the recently identified …

Modular Hamiltonian for holographic excited states

R Arias, M Botta-Cantcheff, PJ Martinez, JF Zarate - Physical Review D, 2020 - APS
In this work we study the Tomita-Takesaki construction for a family of excited states that, in a
strongly coupled CFT—at large N—correspond to coherent states in an asymptotically AdS …

Holographic excited states in AdS black holes

M Botta-Cantcheff, PJ Martínez, GA Silva - Journal of High Energy Physics, 2019 - Springer
A bstract We have recently presented a geometry dual to a Schwinger-Keldysh closed time
contour, with two equal β/2 length Euclidean sections, which can be thought of as dual to the …

The gravity dual of real-time CFT at finite temperature

M Botta-Cantcheff, PJ Martínez, GA Silva - Journal of High Energy Physics, 2018 - Springer
A bstract We present a spherically symmetric aAdS gravity solution with Schwinger-Keldysh
boundary condition dual to a CFT at finite temperature defined on a complex time contour …