Enhanced transport when Anderson localization is destroyed

Details Enhanced transport when Anderson localization is destroyed Enhanced transport when Anderson localization is destroyed

2011-10-13

arxiv.org/abs/1110.3024v2

Physics

Condensed Matter

Disordered Systems and Neural Networks

5 pages, 3 figures

Scientific paper

We investigate the anomalous transport in optically-induced potentials that are random in both space and time. We find that the time variation destroys Anderson localization, replacing it by transport that is faster than diffusion, which in some cases can be even faster than ballistic. We relate this phenomenon to Chirikov's theory of overlapping resonances, and find radical differences between the anomalously-enhanced transport in one-dimensional and two-dimensional systems.

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