Generalized hydrodynamics with dephasing noise

Noise is a ubiquitous phenomenon, but treating its effect in the presence of strong interactions between microscopic components is difficult in general. Here, the authors provide a method to study the effect of external noise on strongly correlated systems, combining integrability and hydrodynamics. The out-of-equilibrium dynamics is described as a gas of quasiparticles perturbed by the presence of a random force. They show that in some cases, the presence of conserved quantities can prevent the complete heating of the system.

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