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Juan P Garrahan, University of Nottingham
Thursday 29 October 2015, 14:15-15:15
Dynamical constraints, metastability and many-body localisation
- 👤 Speaker: Juan P Garrahan, University of Nottingham
- 📅 Date & Time: Thursday 29 October 2015, 14:15 - 15:15
- 📍 Venue: TCM Seminar Room, Cavendish Laboratory
Abstract
I will consider the general problem of slow relaxation and non-ergodicity in interacting quantum systems, and in particular many-body localization (MBL) which has emerged as a novel paradigm for robust ergodicity breaking in closed quantum many-body systems with quenched disorder. I will address these issues using ideas borrowed from the dynamics of classical glasses, where slow relaxation is a consequence of dynamical constraints rather than imposed disorder. I will show how such constraints can give rise to slow relaxation and metastability in closed quantum systems evolving unitarily. For sufficiently strong constraints dynamics can display signatures associated with MBL , even in the absence of quenched disorder. I will also address what aspects of MBL survive in the presence of dissipation to an environment.
Series This talk is part of the Theory of Condensed Matter series.
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