Dresden 2017 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 46: Focus Session: Collective Quantum Dynamics: From Fundamentals to New Phenomena

TT 46.1: Hauptvortrag

Mittwoch, 22. März 2017, 15:00–15:30, HSZ 03

Many-Body Localization and Glassiness in Quantum Spin Systems — •Antonello Scardicchio — Abdus Salam ICTP, Trieste, Italy — INFN, Sezione di Trieste, Trieste, Italy

I will discuss the interplay of two phenomena arising in disordered quantum spin systems: the appearance of a glassy phase, and the complete suppression of transport due to many-body localization. I will review work done on some models, under various approximations (analytical and numerical), and summarize a universal physical picture for how the two dynamical phases can interplay. I will also comment on the implications for the performance of quantum computers.