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Surface Integral Equations (SIEs) constitute a very powerful method for the analysis of electromagnetic scattering of homogeneous penetrable objects. The discretization of SIEs, however, results in a non-sparse system matrix, expensive to store and solve. In order to consider complex large-scale problems with a high number of unknowns, acceleration methods like the fast multipole method are required,...
In this work we present efficient solutions of Surface Integral Equations to solve electromagnetic problems in nanophotonics. These efficient solutions are based on arranging equations to be valid for plasmonic and other exotic materials. Solutions to these problems provide efficient solutions to new leading-edge applications, including analysis of new materials, cloaking, nanoscale wireless links...
In this work, the well-known Method of Moments (MoM) is applied to the solution of plasmonic metallic nanostructures at optical frequencies. Using the surface equivalent theorems, the MoM approach is applied only on the material boundary surfaces and interfaces, thus avoiding the cumbersome volumetric discretization of objects and surrounding space. Some canonical examples have been analyzed and the...
A wide analysis of metamaterial spheres with different constitutive parameters has been carried out employing MoM-based SIE formulations. The study has been focused on the accuracy assessment of formulations combining normal equations (CNF), tangential equations (CTF and PMCHWT) and both of them (JMCFIE) when dealing with double negative materials. Relevant and informative features as the condition...
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