Operator Spreading in Random Unitary Circuits

Volume: 8, Issue: 2, Pages: 021014
Published: Apr 11, 2018
Abstract
Random quantum circuits yield minimally structured models for chaotic quantum dynamics, which are able to capture, for example, universal properties of entanglement growth. We provide exact results and coarse-grained models for the spreading of operators by quantum circuits made of Haar-random unitaries. We study both 1+1D and higher dimensions and argue that the coarse-grained pictures carry over to operator spreading in generic many-body...
Paper Details
Title
Operator Spreading in Random Unitary Circuits
Published Date
Apr 11, 2018
Volume
8
Issue
2
Pages
021014
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