Physics – Condensed Matter – Quantum Gases
Scientific paper
2011-04-12
Physics
Condensed Matter
Quantum Gases
Scientific paper
We show that, in contrast to immediate intuition, Anderson localization of a matter wave can increase (i.e. the localization length can decrease) when the particle energy increases, for disordered potentials with certain long-range correlations. We predict the effect in one, two and three dimensions and propose a simple method to observe it with ultracold atoms placed in appropriately tailored optical disorder. The increase of Anderson localization with the particle energy can be considered a smoking gun of quantum localization.
Aspect Alain
Piraud Marie
Sanchez-Palencia Laurent
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