Many-body chaos near a thermal phase transition

Volume: 7, Issue: 2
Published: Aug 19, 2019
Abstract
We study many-body chaos in a (2+1)D relativistic scalar field theory at high temperatures in the classical statistical approximation, which captures the quantum critical regime and the thermal phase transition from an ordered to a disordered phase. We evaluate out-of-time ordered correlation functions (OTOCs) and find that the associated Lyapunov exponent increases linearly with temperature in the quantum critical regime, and approaches the...
Paper Details
Title
Many-body chaos near a thermal phase transition
Published Date
Aug 19, 2019
Volume
7
Issue
2
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