Dimensional crossover for universal scaling far from equilibrium

We perform a dynamical finite-size scaling analysis of a nonequilibrium Bose gas which is confined in the transverse plane. Varying the transverse size, we establish a dimensional crossover for universal scaling properties far from equilibrium. Our results, which are based on classical-statistical r...

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Hauptverfasser: Gresista, Lasse (VerfasserIn) , Zache, Torsten Victor (VerfasserIn) , Berges, Jürgen (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 26 January 2022
In: Physical review
Year: 2022, Jahrgang: 105, Heft: 1, Pages: 1-9
ISSN:2469-9934
DOI:10.1103/PhysRevA.105.013320
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevA.105.013320
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevA.105.013320
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Verfasserangaben:Lasse Gresista, Torsten V. Zache and Jürgen Berges
Beschreibung
Zusammenfassung:We perform a dynamical finite-size scaling analysis of a nonequilibrium Bose gas which is confined in the transverse plane. Varying the transverse size, we establish a dimensional crossover for universal scaling properties far from equilibrium. Our results, which are based on classical-statistical real-time lattice simulations, suggest that some aspects of the dynamical universal behavior of anisotropic systems can be classified in terms of fractional spatial dimensions. We discuss our findings in view of recent experimental results with quasi-one-dimensional setups of quenched ultracold quantum gases.
Beschreibung:Gesehen am 02.03.2022
Beschreibung:Online Resource
ISSN:2469-9934
DOI:10.1103/PhysRevA.105.013320