paper

Dynamical Phase Transition from Nonequilibrium Dynamics of Dark Solitons

arXiv:1810.11424 · doi:10.1103/PhysRevLett.124.031601

Abstract

By holographic duality, we identify a novel dynamical phase transition which results from the temperature dependence of non-equilibrium dynamics of dark solitons in a superfluid.For a non-equilibrium superfluid system with an initial density of dark solitons, there exists a critical temperature ,above which the system relaxes to equilibrium by producing sound waves, while below which it goes through an intermediate phase with a finite density of vortex-antivortex pairs. In particular, as is approached from below, the density of vortex pairs scales as with the critical exponent .

10 pages, 11 figures, including supplemental material as appendices. The published version is slightly shortened

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