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Experimental study of the transport of coherent interacting matter-waves in a 1D random potential induced by laser speckle

David Clément·Andrès F. Varòn·Jocelyn A. Retter·Laurent Sanchez-Palencia·Alain Aspect·Philippe Bouyer
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Abstract

We present a detailed analysis of the 1D expansion of a coherent interacting matterwave (a Bose-Einstein condensate) in the presence of disorder. A 1D random potential is created via laser speckle patterns. It is carefully calibrated and the self-averaging properties of our experimental system are discussed. We observe the suppression of the transport of the BEC in the random potential. We discuss the scenario of disorder-induced trapping taking into account the radial extension in our experimental 3D BEC and we compare our experimental results with the theoretical predictions.

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David Clément, Andrès F. Varòn, Jocelyn A. Retter, Laurent Sanchez-Palencia, Alain Aspect, Philippe Bouyer. 2006-08-31. Experimental study of the transport of coherent interacting matter-waves in a 1D random potential induced by laser speckle. https://doi.org/10.1088/1367-2630%2F8%2F8%2F165

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