Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Statut Confirmé
Série IPHT-PHM
Domaines math-ph
Date Lundi 18 Juin 2018
Heure 11:00
Institut IPHT
Salle Salle Claude Itzykson, Bât. 774
Nom de l'orateur Sylvain Lacroix
Prenom de l'orateur
Addresse email de l'orateur
Institution de l'orateur ENS Lyon
Titre Affine Gaudin models and integrable field theories
Résumé In this seminar, we will discuss affine Gaudin models, which are integrable systems associated with Kac-Moody algebras of affine type. \par First, we will review how these models can be classically interpreted as integrable field theories in two dimensions. Conversely, we shall see that integrable sigma-models, which are typical examples of such theories, are realisations of classical affine Gaudin models. \par In a second part, we will discuss results and conjectures about quantum affine Gaudin models, concerning the construction of higher degree quantum Hamiltonians and their diagonalisation through the Bethe ansatz. Finally, we will explore the possible relation of these results with the ODE/IM correspondence, using the language of affine opers.
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