University of Cambridge > Talks.cam > Quantum Fields and Strings Seminars > Universal dynamics of entanglement and quantum operators from random unitary circuits

Universal dynamics of entanglement and quantum operators from random unitary circuits

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Isolated quantum many-body systems, if initialised in states of low entanglement, typically evolve towards states of high (volume law) entanglement. I will describe how simple minimal models for many-body dynamics — quantum circuits made up of randomly chosen gates — yield a coarse-grained description for this process of entanglement production. This description involves a minimal ‘membrane’ in spacetime. I will also describe universal results for the spreading of local perturbations (the ‘out-of-time-order correlator’) obtained from random unitary circuits.

This talk is part of the Quantum Fields and Strings Seminars series.

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