Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Statut Confirmé
Domaines cond-mat.soft
Date Mercredi 11 Mars 2020
Heure 12:00
Institut LPENS
Salle Conf. IV
Nom de l'orateur De Nardis
Prenom de l'orateur Jacopo
Addresse email de l'orateur
Institution de l'orateur Ghent University
Titre Universality classes of transport in quantum and classical chains: from diffusion to KPZ dynamics
Résumé Finding a theoretical framework to explain how phenomenological transport laws on macroscopic scales emerge from microscopic deterministic dynamics poses one of the most significant challenges of condensed matter and statistical physics. Recently there has been an influx of new numerical and analytical results for the transport theory of quantum and classical many-body 1D Hamiltonian systems, both integrable and not. I will provide a general framework to understand the main classes of transport observed: diffusion, super-diffusion and logarithmic corrections to diffusion. I will review how diffusive spreading is generically present in integrable chains and how KPZ dynamics emerges in both integrable and non-integrable rotationally invariant magnets.
Numéro de preprint arXiv
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