Universal Coarsening in a Homogeneous Two-Dimensional Bose Gas
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arXiv
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| Autori principali: | , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2023
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| _version_ | 1866916911516745728 |
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| author | Gazo, Martin Karailiev, Andrey Satoor, Tanish Eigen, Christoph Gałka, Maciej Hadzibabic, Zoran |
| author_facet | Gazo, Martin Karailiev, Andrey Satoor, Tanish Eigen, Christoph Gałka, Maciej Hadzibabic, Zoran |
| contents | Coarsening of an isolated far-from-equilibrium quantum system is a paradigmatic many-body phenomenon, relevant from subnuclear to cosmological lengthscales, and predicted to feature universal dynamic scaling. Here, we observe 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 establish direct comparison between cold-atom experiments and non-equilibrium field theory, and are applicable to any study of universality far from equilibrium. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2312_09248 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Universal Coarsening in a Homogeneous Two-Dimensional Bose Gas Gazo, Martin Karailiev, Andrey Satoor, Tanish Eigen, Christoph Gałka, Maciej Hadzibabic, Zoran Quantum Gases Statistical Mechanics High Energy Physics - Phenomenology Atomic Physics Quantum Physics Coarsening of an isolated far-from-equilibrium quantum system is a paradigmatic many-body phenomenon, relevant from subnuclear to cosmological lengthscales, and predicted to feature universal dynamic scaling. Here, we observe 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 establish direct comparison between cold-atom experiments and non-equilibrium field theory, and are applicable to any study of universality far from equilibrium. |
| title | Universal Coarsening in a Homogeneous Two-Dimensional Bose Gas |
| topic | Quantum Gases Statistical Mechanics High Energy Physics - Phenomenology Atomic Physics Quantum Physics |
| url | https://arxiv.org/abs/2312.09248 |