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Sašo Grozdanov: From hydrodynamics to many-body chaos in holography and kinetic theory

April 5, 2018 @ 2:00 pm - 4:00 pm

My talk will present two recently uncovered connections between hydrodynamics and many-body chaos—one at strong and one at weak coupling. I will begin by introducing some relevant concepts from the field of relativistic hydrodynamics, which will be followed by a short discussion of holographic duality. In particular, I will describe how thermal field theory correlation functions can be inferred from the properties of black holes. I will then show how in strongly interacting theories with simple holographic duals both the Lyapunov exponent and the butterfly velocity can be computed from a retarded longitudinal energy-energy two-point function, without the need for computing the OTOC. This makes the connection between holographic many-body chaos and hydrodynamics precise. Finally, by constructing a modified kinetic, Boltzmann-like equation, both phenomenologically and from an OTOC, I will argue that even at weak coupling, hydrodynamic and chaotic properties can be intimately related.

* Sašo Grozdanov, MIT – Center for Theoretical Physics


April 5, 2018
2:00 pm - 4:00 pm


Kuščerjev seminar, Fakulteta za matematiko in fiziko UL
Jadranska 19
Ljubljana, Slovenia
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