Momentum isotropisation in random potentials
classification
❄️ cond-mat.quant-gas
cond-mat.dis-nn
keywords
isotropisationmomentumrandomscatteringaveragebecomescharacteristicdisorder
read the original abstract
When particles are multiply scattered by a random potential, their momentum distribution becomes isotropic on average. We study this quantum dynamics numerically and with a master equation. We show how to measure the elastic scattering time as well as characteristic isotropisation times, which permit to reconstruct the scattering phase function, even in rather strong disorder.
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