424 citations · 1.5k across the 39 of their papers we have counts for
41 papers
The Hydrohedron: Bootstrapping Relativistic Hydrodynamics
Michal P. Heller, Alexandre Serantes, Michał Spaliński +1
As an effective theory, relativistic hydrodynamics is fixed by symmetries up to a set of transport coefficients. A lot of effort has been devoted to explicit calculations of these…
Rigorous bounds on transport from causality
Michal P. Heller, Alexandre Serantes, Michał Spaliński +1
We use causality to derive a number of simple and universal constraints on dispersion relations, which describe the location of singularities of retarded two-point functions in rel…
Thermal three-point functions from holographic Schwinger-Keldysh contours
Christiana Pantelidou, Benjamin Withers
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 holographic m…
An embedding formalism for CFTs in general states on curved backgrounds
Enrico Parisini, Kostas Skenderis, Benjamin Withers
We present a generalisation of the embedding space formalism to conformal field theories (CFTs) on non-trivial states and curved backgrounds, based on the ambient metric of Fefferm…
Convergence of the Fefferman-Graham expansion and complex black hole anatomy
Alexandre Serantes, Benjamin Withers
Given a set of sources and one-point function data for a Lorentzian holographic QFT, does the Fefferman-Graham expansion converge? If it does, what sets the radius of convergence,…
Massive holographic QFTs in de Sitter
José Manuel Penín, Kostas Skenderis, Benjamin Withers
We study strongly coupled mass-deformed-CFT on a fixed de Sitter spacetime in three dimensions via holography. We elucidate the global causal structure of the four-dimensional spac…