期刊
PHYSICAL REVIEW A
卷 105, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.105.013320
关键词
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资金
- Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under the SFB 1225 ISOQUANT [27381115]
- Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy [EXC 2181/1-390900948]
- Simons Collaboration on UltraQuantum Matter from the Simons Foundation [651440]
We performed a dynamical finite-size scaling analysis of a nonequilibrium Bose gas confined in the transverse plane. Our results suggest that some aspects of the dynamical universal behavior in anisotropic systems can be classified in terms of fractional spatial dimensions.
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.
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