Ruidas, S and Banerjee, S (2021) Many-body chaos and anomalous diffusion across thermal phase transitions in two dimensions. In: SciPost Physics, 11 (5).
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Abstract
Chaos is an important characterization of classical dynamical systems. How is chaos linked to the long-time dynamics of collective modes across phases and phase transitions? We address this by studying chaos across Ising and Kosterlitz-Thouless transitions in classical XXZ model. We show that spatio-temporal chaotic properties have crossovers across the transitions and distinct temperature dependence in the high and low-temperature phases which show normal and anomalous diffusions, respectively. Our results also provide new insights into the dynamics of interacting quantum systems in the semiclassical limit. © 2021 SciPost Foundation. All right reserved.
| Item Type: | Journal Article |
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| Publication: | SciPost Physics |
| Publisher: | SciPost Foundation |
| Additional Information: | The copyright for this article belongs to Authors |
| Department/Centre: | Division of Physical & Mathematical Sciences > Physics |
| Date Deposited: | 21 Dec 2021 05:56 |
| Last Modified: | 21 Dec 2021 05:56 |
| URI: | http://eprints.iisc.ac.in/id/eprint/70718 |
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