Regensburg 2019 – wissenschaftliches Programm
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TT: Fachverband Tiefe Temperaturen
TT 21: Focus Session: Quantum Dynamics of Kinetically Constrained Many-Body Systems (joint session TT/DY)
TT 21.1: Hauptvortrag
Dienstag, 2. April 2019, 09:30–10:00, H2
Quantum dynamics, scars, and integrability in constrained Rydberg systems — •Vedika Khemani1, Christopher Laumann2, and Anushya Chandran2 — 1Harvard University, Cambridge, Massachusetts, USA — 2Boston University, Boston, Massachusetts, USA
A recent experiment on a 51-atom chain of Rydberg atoms observed anomalously long-lived temporal oscillations of local observables after quenching from an antiferromagnetic initial state. This coherence is surprising as the initial state should have thermalized rapidly to infinite temperature. I will describe the novel dynamics of this system using various diagnostics, and provide some insights into the underlying causes for the unusual dynamical properties of this system.