Dynamics of classical wave scattering by small obstacles |
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| Authors: | Bauer G E Ferreira M S Wapenaar C P |
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| Affiliation: | Theoretical Physics Group, Department of Applied Physics and Delft Institute of Microelectronics and Submicron Technology, Delft University of Technology, Lorentzweg 1, 2628 CJ Delft, The Netherlands. |
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| Abstract: | 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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