Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Statut Confirmé
Série APC-TH
Domaines hep-th
Date Mardi 13 Fevrier 2018
Heure 14:00
Institut APC
Salle 483 A - Malevitch
Nom de l'orateur Bekaert
Prenom de l'orateur Xavier
Addresse email de l'orateur
Institution de l'orateur LMPT, Université de Tours
Titre Massless elementary particles with continuous spin: Wigner's exotic representation of the Poincaré group
Résumé Old results and recent developments on the theoretical description of elementary particles with "continuous" spin will be reviewed. At free level, these fields are described by unitary irreducible representations of the isometry group (either Poincare or anti de Sitter group) with an infinite number of physical degrees of freedom per spacetime point. We will mention a list of new results, in particular on their cubic interactions, as well as important issues that remain open.
Numéro de preprint arXiv
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