Singularity of the dyadic Green's function for heterogeneous dielectrics

Abstract : For heterogeneous media with piecewise constant complex permittivity on regular domains, we show that the dyadic Green's function has the same singular part as the corresponding free space dyadic Green's function on every domain of constant permittivity. We give two important applications of this property, namely the distorted-wave Born approximation for composite media and the calculation of the single photon decay rate in spontaneous emission.
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Contributor : Boris Gralak <>
Submitted on : Friday, November 9, 2007 - 3:20:36 PM
Last modification on : Monday, March 4, 2019 - 2:04:12 PM

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Charles-Antoine Guerin, Boris Gralak, Adriaan Tip. Singularity of the dyadic Green's function for heterogeneous dielectrics. Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, American Physical Society, 2007, 75, pp.056601. ⟨hal-00186522⟩

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