Inhibition of Transport of a Bose-Einstein Condensate in a Random Potential

Alain Aspect (LCFIO); Andres F. Varon (LCFIO); David Cl\'ement (LCFIO); Dmitry Gangardt (LPTMS); Gora V. Shlyapnikov (LPTMS); Jocelyn Retter (LCFIO); Laurent Sanchez-Palencia (LCFIO); Mathilde Hugbart (LCFIO); Philippe Bouyer (LCFIO)

arxiv: cond-mat/0509605 · v1 · pith:FHZ3ZHGEnew · submitted 2005-09-23 · ❄️ cond-mat.other

Inhibition of Transport of a Bose-Einstein Condensate in a Random Potential

Jocelyn Retter (LCFIO) , Andres F. Varon (LCFIO) , David Cl\'ement (LCFIO) , Mathilde Hugbart (LCFIO) , Philippe Bouyer (LCFIO) , Laurent Sanchez-Palencia (LCFIO) , Dmitry Gangardt (LPTMS) , Gora V. Shlyapnikov (LPTMS)

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Alain Aspect (LCFIO)

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classification ❄️ cond-mat.other

keywords condensatebose-einsteinenergyobservationspotentialrandomtransportagreement

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We observe the suppression of the 1D transport of an interacting elongated Bose-Einstein condensate in a random potential with a standard deviation small compared to the typical energy per atom, dominated by the interaction energy. Numerical solutions of the Gross-Pitaevskii equation reproduce well our observations. We propose a scenario for disorder-induced trapping of the condensate in agreement with our observations.

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Inhibition of Transport of a Bose-Einstein Condensate in a Random Potential

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