Classical many-body chaos with and without quasiparticles

Volume: 103, Issue: 17
Published: May 7, 2021
Abstract
We study correlations, transport and chaos in a Heisenberg magnet as a classical model many-body system. By varying temperature and dimensionality, we can tune between settings with and without symmetry breaking and accompanying collective modes or quasiparticles. We analyse both conventional and out-of-time-ordered spin correlators (`decorrelators') to track the spreading of a spatiotemporally localised perturbation -- the wingbeat of the...
Paper Details
Title
Classical many-body chaos with and without quasiparticles
Published Date
May 7, 2021
Volume
103
Issue
17
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