Dynamics of classical wave scattering by small obstacles
classification
❄️ cond-mat.mes-hall
keywords
scatteringclassicalalternativeanalyzedapproximationcausalitydependentderived
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A causality problem in the time-dependent scattering of classical waves from point scatterers is pointed out and analyzed. Based on an alternative model, the leading pole approximation of the exact scattering matrix of the square well potential, transparent expressions for the time and position dependent Green function in a disordered medium are derived.
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