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Universal coarsening in a homogeneous two-dimensional Bose gas

Coarsening of an isolated far-from-equilibrium quantum system is a paradigmatic many-body phenomenon, relevant from subnuclear to cosmological length scales and predicted to feature universal dynamic scaling. Here, we observed universal scaling in the coarsening of a homogeneous two-dimensional Bose...

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Bibliographic Details
Main Authors: Gazo, Martin (Author) , Karailiev, Andrey (Author) , Satoor, Tanish (Author) , Eigen, Christoph (Author) , Galka, Maciej (Author) , Hadzibabic, Zoran (Author)
Format: Article (Journal)
Language:English
Published: Aug 2025
In: Science
Year: 2025, Volume: 389, Issue: 6762, Pages: 802-805
ISSN:1095-9203
DOI:10.1126/science.ado3487
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1126/science.ado3487
Verlag, lizenzpflichtig, Volltext: https://www.science.org/doi/10.1126/science.ado3487
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Author Notes:Martin Gazo, Andrey Karailiev, Tanish Satoor, Christoph Eigen, Maciej Gałka, Zoran Hadzibabic
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Summary:Coarsening of an isolated far-from-equilibrium quantum system is a paradigmatic many-body phenomenon, relevant from subnuclear to cosmological length scales and predicted to feature universal dynamic scaling. Here, we observed universal scaling in the coarsening of a homogeneous two-dimensional Bose gas, with exponents that match analytical predictions. For different initial states, we reveal universal scaling in the experimentally accessible finite-time dynamics by elucidating and accounting for the initial-state-dependent prescaling effects. The methods we introduce allow direct comparison between cold-atom experiments and nonequilibrium field theory and are applicable to any study of universality far from equilibrium.
Item Description:Online veröffentlicht: 21. August 2025
Gesehen am 17.12.2025
Physical Description:Online Resource
ISSN:1095-9203
DOI:10.1126/science.ado3487

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