Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Statut Confirmé
Domaines cond-mat.stat-mech
Date Mercredi 18 Décembre 2019
Heure 12:00
Institut LPENS
Salle Conf. IV
Nom de l'orateur Wiese
Prenom de l'orateur Kay
Addresse email de l'orateur
Institution de l'orateur École Normale Supérieure
Titre Sandpiles, loop-erased random walks, depinning of CDW, and the O(n) model at n=-2... How are they all related?
Résumé Abelian sandpiles, loop-erased random walks, and charge-density waves at depinning all belong to the same universality class, as does the O(n) model at n=-2. The equivalences between these systems are exciting, as they related models with quenched disorder, cellular automata, and the classical O(n)- symmetric phi^4 theory for which we know results up to 7 loops.
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