Negative superdiffusion due to the inhomogeneous convection
classification
❄️ cond-mat.dis-nn
keywords
convectionflowinhomogeneousasymptoticscombconditionsconsideredcontaminant
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Fractional transport of particles on a comb structure in the presence of an inhomogeneous convection flow is studied. The large scale asymptotics is considered. It is shown that a contaminant spreads superdiffusively in the direction opposite to the convection flow. Conditions for the realization of this new effect is discussed in detail.
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