Related papers: From inverse-cascade to sub-diffusive dynamic scaling in driven disordered Bose fluids

From inverse-cascade to sub-diffusive dynamic scaling in driven disordered Bose fluids

URL: http://arxiv.org/abs/2405.15915v1
Date: Fri, 24 May 2024 20:19:53 GMT
Title: From inverse-cascade to sub-diffusive dynamic scaling in driven disordered Bose fluids
Authors: Elisabeth Gliott, Adam Rançon, Nicolas Cherroret,
Abstract summary: We find that the Bose gas crosses over three distinct dynamical regimes. We show that all three dynamical regimes can be described by self-similar scaling laws.
Score: 0.0
License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Abstract: We explore the emergence of universal dynamic scaling in an interacting Bose gas around the condensation transition, under the combined influence of an external driving force and spatial disorder. As time progresses, we find that the Bose gas crosses over three distinct dynamical regimes: (i) an inverse turbulent cascade where interactions dominate the drive, (ii) a stationary regime where the inverse cascade and the drive counterbalance one other, and (iii) a sub-diffusive cascade in energy space governed by the drive and disorder, a phenomenon recently observed experimentally. We show that all three dynamical regimes can be described by self-similar scaling laws.

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