Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Statut Confirmé
Série FORUM-ENS
Domaines cond-mat.stat-mech
Date Mercredi 24 Novembre 2021
Heure 14:30
Institut LPENS
Salle Zoom
Nom de l'orateur Defenu
Prenom de l'orateur Nicolň
Addresse email de l'orateur
Institution de l'orateur ETH Zurich
Titre Quantum criticality and out-of-equilibrium scaling in long-range systems and beyond
Résumé The seminar is meant to present an bird's eye view on the field of long-range interacting quantum systems, following the path followed by N. Defenu in his research. The talk we start with a brief overview of critical phenomena in systems with power law interactions $1/r^{\alpha}$ in the "weak" long-range regime $\alpha>d$. Then, it will describe the peculiar out-of-equilibrium dynamics observed in "strong" long- range systems. Finally, it will deal with the seemingly unconnected physics of 2- components fermi gases confined in 2D. The connection between this topic and the previous studies of long-range interactions will be outlined. [1] A. P. Millán, G. Gori, F. Battiston, T. Enss, ND, Phys. Rev. Research 3, 023015 (2021). [2] ND, Proc. Nat. Acad. Sci. 118, e2101785118 (2021). [3] P. A. Murthy, N. Defenu, L. Bayha, M. Holten, P. M. Preiss, T. Enss, S. Jochim, Science 365, 268-272 (2019).
Numéro de preprint arXiv
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