Speaker
Phillip Teschner
(UYST)
Description
We investigate the non-equilibrium properties of the anisotropic Heisenberg spin glass model that evolves under unitary dynamics. As the interaction between the spins increases, the model undergoes a transition from an ergodic to a non-ergodic regime. We examine this transition by calculating measures indicating a violation of random-matrix-like behavior and the eigenstate thermalization hypothesis (ETH). Since our model is inspired by classical spin glass models, we also incorporate indicators of a spin glass transition into our study. Overall, we perform an ergodicity-breaking analysis using a combined approach with methods from random matrix theory, the ETH, and spin glass physics.
| Project | T5 - From localization in quenched disorder to new forms of many-body localization |
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Authors
Fabian Heidrich-Meisner
(Georg-August-Universität Göttingen)
Phillip Teschner
(UYST)
Co-author
Heiko Georg Menzler
(Georg-August-Universität Göttingen)