Self-consistent time-dependent harmonic approximation for the sine-Gordon model out of equilibrium

We derive a self-consistent time-dependent harmonic approximation for the quantum sine-Gordon model out of equilibrium and apply the method to the dynamics of tunnel-coupled one-dimensional Bose gases. We determine the time evolution of experimentally relevant observables and in particular derive re...

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Bibliographic Details
Main Authors: Van Nieuwkerk, Y, Essler, F
Format: Journal article
Language:English
Published: IOP Publishing 2019