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Dynamics of scrambling of information, from shock waves to Fisher‐KPP

Not scheduled
Institut Pascal

Institut Pascal

Rue André Rivière 91400 Orsay


Camille Aron


Quenched disorder slows down the scrambling of quantum information. I will
explain how conventional tools of quantum transport theory can be adapted
to derive an effective field theory of scrambling. Specifically, I'll focus
on realistic metals with both inelastic and elastic scattering, due to
interaction and disorder. I will demonstrate that disorder drives a phase
transition in the scrambling dynamics, from shock-wave dynamics to dynamics
belonging to the Fisher-KPP class. More generally, this approach can be
used to gain insight into the mysterious relationship between transport
properties and chaos.

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