Multitrace Müller Boundary Integral Equation for Electromagnetic Scattering by Composite Objects
This paper presents a well-conditioned, second-kind boundary integral equation for time-harmonic electromagnetic scattering by composite dielectric objects, achieved by extending the classical Müller formulation via the global multitrace method and Stratton-Chu representation, and solved efficiently using a Petrov-Galerkin discretization with Rao-Wilton-Glisson and Buffa-Christiansen functions.