arXiv 1302.71762013-02cond-mat.quant-gas

原子玻色-爱因斯坦凝聚体中的量子turbulence

Quantum turbulence in atomic Bose-Einstein condensates

A. J. Allen, N. G. Parker, N. P. Proukakis, C. F. Barenghi

备注：: 11 pages, 6 figures To appear in Conference proceedings: "Knotted, Linked and Tangled Flux in Quantum and Classical Systems, Journal of Physics Conference Series"
DOI：: 10.1088/1742-6596/544/1/012023

摘要：

弱相互作用的稀原子玻色-爱因斯坦凝聚体（BECs）是研究宏观尺度下非线性动力学和量子效应的一个重要背景。最近，原子BEC已被用于研究量子湍流的实验和理论，刺激很大程度上是由这些量子气体内的高度控制。在这篇文章中，我们鼓励使用原子玻色-爱因斯坦凝聚体的研究湍流，讨论的特征制度的湍流是可访问的，并简要回顾了一些选定的调查量子湍流和最近的结果。我们专注于湍流的三个阶段-湍流的产生，其稳定状态和衰减-并强调了一些基本问题，我们在这些制度的理解。

英文摘要：

Weakly interacting, dilute atomic Bose-Einstein condensates (BECs) have proved to be an attractive context for the study of nonlinear dynamics and quantum effects at the macroscopic scale. Recently, atomic BECs have been used to investigate quantum turbulence both experimentally and theoretically, stimulated largely by the high degree of control which is available within these quantum gases. In this article we motivate the use of atomic BECs for the study of turbulence, discuss the characteristic regimes of turbulence which are accessible, and briefly review some selected investigations of quantum turbulence and recent results. We focus on three stages of turbulence - the generation of turbulence, its steady state and its decay - and highlight some fundamental questions regarding our understanding in each of these regimes.

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