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Abstract: It is shown that when the initial particles probability density isdiscontinuous the emerging currents appear instantaneously, and although thedensity beyond the discontinuity is initially negligible the currents therehave a finite value. It is shown that this non-equilibrium effect can bemeasured in real experiments such as cooled Rubidium atoms, where thediscontinuity is replaced with finite width hundreds of nanometers gradient.

Author: Er'el Granot, Avi Marchewka


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