Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Statut Confirmé
Domaines hep-th
Date Mardi 12 Novembre 2019
Heure 11:00
Institut CPHT
Salle Salle Louis Michel, CPHT, Ecole Polytechnique
Nom de l'orateur Pinzani Fokeeva
Prenom de l'orateur Natalia
Addresse email de l'orateur
Institution de l'orateur KU Leuven
Titre Holographic Schwinger-Keldysh effective field theories
Résumé Hydrodynamics has been recently reformulated as an effective field theory based on an underlying Schwinger-Keldysh path integral. After a pedagogical introduction to the formalism, I will show how effective actions of this type can be derived from holography using a mixed signature bulk spacetime whereby an eternal asymptotically anti-de Sitter black hole is glued to its Euclidean counterpart along an initial time slice in a way to match the desired double-time contour of the dual field theory. For concreteness, I will consider the example of dissipative low-energy dynamics of relativistic charged matter at strong coupling in a fixed thermal background.
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