Observation of universal dynamics in an isolated one-dimensional Bose gas far from equilibrium
We provide experimental evidence of universal dynamics far from equilibrium during the relaxation of an isolated one-dimensional Bose gas. Following a rapid cooling quench, the system exhibits universal scaling in time and space, associated with the approach of a non-thermal fixed point. The time ev...
Gespeichert in:
| Hauptverfasser: | , , |
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| Dokumenttyp: | Article (Journal) Kapitel/Artikel |
| Sprache: | Englisch |
| Veröffentlicht: |
31 May 2018
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| In: |
Arxiv
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| Online-Zugang: | Verlag, Volltext: http://arxiv.org/abs/1805.12310
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| Verfasserangaben: | Sebastian Erne, Robert Bücker, Thomas Gasenzer, Jürgen Berges, and Jörg Schmiedmayer |
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| 245 | 1 | 0 | |a Observation of universal dynamics in an isolated one-dimensional Bose gas far from equilibrium |c Sebastian Erne, Robert Bücker, Thomas Gasenzer, Jürgen Berges, and Jörg Schmiedmayer |
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| 520 | |a We provide experimental evidence of universal dynamics far from equilibrium during the relaxation of an isolated one-dimensional Bose gas. Following a rapid cooling quench, the system exhibits universal scaling in time and space, associated with the approach of a non-thermal fixed point. The time evolution within the scaling period is described by a single universal function and scaling exponent, independent of the specifics of the initial state. Our results provide a quantum simulation in a regime, where to date no theoretical predictions are available. This constitutes a crucial step in the verification of universality far from equilibrium. If successful, this may lead to a comprehensive classification of systems based on their universal properties far from equilibrium, relevant for a large variety of systems at different scales. | ||
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| 650 | 4 | |a Condensed Matter - Statistical Mechanics | |
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