Subdiffusion in the Nonlinear Schroedinger Equation with Disorder
classification
❄️ cond-mat.stat-mech
cond-mat.dis-nn
keywords
subdiffusiondisorderequationnonlinearpacketschroedingerwaveconsidered
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The nonlinear Schroedinger equation in the presence of disorder is considered. The dynamics of an initially localized wave packet is studied. A subdiffusive spreading of the wave packet is explained in the framework of a continuous time random walk. A probabilistic description of subdiffusion is suggested and a transport exponent of subdiffusion is obtained to be 2/5.
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