Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Statut Confirmé
Domaines hep-th
Date Mardi 26 Novembre 2019
Heure 11:30
Institut LPTENS
Salle LPTENS library
Nom de l'orateur Chatwin-Davies
Prenom de l'orateur Aidan
Addresse email de l'orateur
Institution de l'orateur KU Leuven
Titre Bulk Reconstruction Beyond the Entanglement Wedge
Résumé According to holographic subregion duality, the reduced CFT state on a boundary subregion is dual to the subregion's bulk entanglement wedge, and vice-versa. In sufficiently high dimensions, one can construct settings in which minimal 2-surfaces that are anchored to a given boundary subregion can reach parametrically far beyond the entanglement wedge. In particular, knowledge of the areas of all such 2-surfaces is sufficient to reconstruct the bulk metric in the region that they probe, and, in certain settings, these minimal 2-surface areas can be deduced from the expectation values of Wilson loops in the boundary subregion. This suggests that either the reduced CFT state encodes significant information about the bulk beyond the entanglement wedge, challenging conventional intuition about holographic subregion duality, or that the geometric computation of Wilson loop expectation values breaks down, even in very mild settings.
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