Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Statut Confirmé
Série SEM-LPTENS
Domaines hep-th
Date Mardi 24 Octobre 2017
Heure 11:00
Institut LPTENS
Salle LPTENS library
Nom de l'orateur Loukas
Prenom de l'orateur Orestis
Addresse email de l'orateur orestis [dot] loukas [at] cern [dot] ch
Institution de l'orateur University of Bern
Titre Accessing the CFT spectrum at large charge
Résumé Studying strongly coupled CFTs with some global symmetry in sectors where the associated global charge is large, often leads to an effective action which is weakly coupled. In this regime, the computation of anomalous dimensions and fusion coefficients becomes perturbatively meaningful. I review our recent progress [arXiv:1610.04495, 1612.08985, 1707.00710] in understanding the large-charge sectors of classes of scalar CFTs in three dimensions, both at the level of the linear as well as non-linear sigma model. Additionally, I comment on the verification of the analytic prediction via lattice simulations.
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