23–27 Sept 2024
Faculty of Physics
Europe/Berlin timezone

Lecture 12 - Experimental access to non-ergodic behavior in quantum magnets with neutron scattering

27 Sept 2024, 09:00
1h 30m
HS 2 (Max Born Hörsaal) (Faculty of Physics)

HS 2 (Max Born Hörsaal)

Faculty of Physics

Friedrich-Hund-Platz 1, 37077 Göttingen

Speaker

Alan Tennant (University of Tennessee, Knoxville, U.S.A)

Description

Experiments involving the behavior of quantum magnetic systems in the non-ergodic regime have been difficult to access due to a lack of clearly defined theoretical targets. The situation is changing with the realization that experiments can access the signatures of non-ergodic behavior both in the dynamical correlations in the weakly out-of-equilibrium scattering regime as well as under transient conditions. In the lecture I will cover experiments on one dimensional magnets that show Kardar-Parisi-Zhang like out-of-equilibrium universality, laser pumping in magnon systems, as well as the ways that glass formation and signatures of many-body localization can be accessed.

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