Enhanced transport when Anderson localization is destroyed

Liad Levi; Michael Wilkinson; Mordechai Segev; Shmuel Fishman; Yevgeny Krivolapov

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Enhanced transport when Anderson localization is destroyed

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arxiv 1110.3024 v3 pith:YO4PIFFJ submitted 2011-10-13 cond-mat.dis-nn physics.class-phphysics.optics

Yevgeny Krivolapov , Liad Levi , Shmuel Fishman , Mordechai Segev , Michael Wilkinson This is my paper

classification cond-mat.dis-nnphysics.class-phphysics.optics

keywords transportandersonfasterfindlocalizationtimeanomalousanomalously-enhanced

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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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