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 Localization of an inhomogeneous Bose-Einstein condensate in a moving random potential


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We study the dynamics of a harmonically trapped quasi-one-dimensional Bose-Einstein condensate subjected to a moving disorder potential of finite extent. We show that, due to the inhomogeneity of the sample, only a percentage of the atoms is localized at supersonic velocities of a random potential. We find that this percentage can be sensitively increased by introducing suitable correlations in the disorder potential such as those provided by random dimers.



Author: Ardavan Alamir; Pablo Capuzzi; Patrizia Vignolo

Source: https://archive.org/







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