From classical to quantum glasses with ultracold polar molecules.
From classical to quantum glasses with ultracold polar molecules.
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从经典玻璃到具有超冷极性分子的量子玻璃。
DOI：
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发表时间：
2013
影响因子：
8.6
通讯作者：
P. Zoller
中科院分区：
文献类型：
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作者：
W. Lechner;P. Zoller
我们研究了超冷极性分子双层系统的动力学，该系统具有经典和量子玻璃态行为，其特征在于弛豫时间和动力学不均匀性的长尾。在所提出的设置中，量子涨落是热涨落的顺序和挫折的程度可以通过层间距离调谐。我们讨论了在实验中利用分子的内部自由度结合光学检测来观察玻璃态反常扩散和动力学不均匀性的可能性。
We study the dynamics of a bilayer system of ultracold polar molecules, which exhibits classical and quantum glassy behavior, characterized by long tails in the relaxation time and dynamical heterogeneity. In the proposed setup, quantum fluctuations are of the order of thermal fluctuations and the degree of frustration can be tuned by the interlayer distance. We discuss the possible observation of a glassy anomalous diffusion and dynamical heterogeneity in experiment using internal degrees of freedom of the molecules in combination with optical detection.