Breakdown of the superfluidity of a matter wave in a random environment
classification
❄️ cond-mat.quant-gas
keywords
matterpotentialrandomsuperfluiditywavebose-einsteinbreakdownbroken
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We consider a guided Bose-Einstein matter wave flowing through a disordered potential. We determine the critical velocity at which superfluidity is broken and compute its statistical properties. They are shown to be connected to extreme values of the random potential. Experimental implementations of this physics are discussed.
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