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Kontrast Disl
Seminar: Observation quantum criticality in a 4D in a ultracold-atom experiment Adam Rançon
Université de Lille, France
02.05.2024. u 11:00h
Institute of Physics, 1st wing lecture room & Zoom

The localization-delocalization transition in disordered media is ubiquitous in quantum and classiacal systems. It is one of the rare transition for which there is no mean-field theory valid in any dimensions. We report the observation and characterization of the Anderson transition in 4D using ultracold atoms as a quantum simulator with synthetic dimensions. We characterize the universal dynamics in the vicinity of the phase transition and measure the critical exponents describing the scale-invariant properties of the critical dynamics. The critical exponents verify Wegner’s scaling relation, and we demonstrate experimentally that the Anderson transition is not mean-field in dimension four.


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Meeting ID: 508 144 0931

Seminar hostsNeven Šantić i Matija Čulo


IF Ⓒ 2017