The Off-Shell Electromagnetic T-matrix: momentum-dependent scattering from spherical inclusions with both dielectric and magnetic contrast

Abstract : The momentum- and frequency-dependent T-matrix operator for the scattering of electromagnetic waves by a dielectric/conducting and para- or diamagnetic sphere is derived as a Mie-type series, and presented in a compact form emphasizing various symmetry properties, notably the unitarity identity. This result extends to magnetic properties one previously obtained for purely dielectric contrasts by other authors. Several situations useful to spatially-dispersive effective-medium approximations to one-body order are examined. Partial summation of the Mie series is achieved in the case of elastic scattering.
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Contributor : Yves-Patrick Pellegrini <>
Submitted on : Tuesday, February 15, 2011 - 11:41:12 AM
Last modification on : Monday, March 4, 2019 - 2:04:23 PM

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Yves-Patrick Pellegrini, Pascal Thibaudeau, Brian Stout. The Off-Shell Electromagnetic T-matrix: momentum-dependent scattering from spherical inclusions with both dielectric and magnetic contrast. Waves in Random and Complex Media, Taylor & Francis, 2011, 21 (2), pp.313 - 335. ⟨10.1080/17455030.2011.554916⟩. ⟨cea-00566114⟩

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