SEMINAR+WEBINAR ANNOUNCEMENT

Tuesday, 10^th of November 2026 at 12:00
UPC campus nord, B4-212 (aula seminari)
https://meet.google.com/whq-mkve-aja

Luca Barbiero

Institute for Condensed Matter Physics and Complex Systems, DISAT, Politecnico di Torino, Italy

“Topology in strongly interacting dipolar fermions”

Abstract

In this talk, I will discuss how ultracold dipolar fermionic systems can provide access to unconventional regimes of strongly correlated quantum matter. I will first show how mixtures of magnetic atoms in optical lattices can realize an extended t-J model beyond conventional Hubbard physics, where topology and superconductivity can coexist [1]. I will then turn to a single-component configuration and discuss how attractive dipolar interactions can give rise to Majorana edge signatures beyond the conventional paradigm of topological superconductors [2]. Finally, I will consider a ladder geometry and show how temperature can itself become a resource for inducing effective topological features, even in the absence of topology in the zero temperature ground state [3]. These results highlight the rich possibilities offered by ultracold dipolar systems for investigating unconventional topological phenomena

[1] L. Bellinato Giacomelli, T. Bland, L. Lafforgue, M. J. Mark, F. Ferlaino, L. Barbiero, Nat. Comm. (2026)
[2] F. Debortoli, N. Cuzzuol, L. Barbiero, F. Grusdt arXiv:2607.06751v1
[3] N. Cuzzuol, M. Miotto, A. Montorsi, G. Valtolina, L. Barbiero, arXiv:2609.09463