117 citations · 407 across the 17 of their papers we have counts for
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Wigner-Smith Time Delay Matrix for Electromagnetics: Systems with Material Dispersion and Losses
Yiqian Mao, Utkarsh R. Patel, Eric Michielssen
The Wigner-Smith (WS) time delay matrix relates a system's scattering matrix to its frequency derivative and gives rise to so-called WS modes that experience well-defined group del…
Wigner-Smith Time Delay Matrix for Electromagnetics: Computational Aspects for Radiation and Scattering Analysis
Utkarsh R. Patel, Eric Michielssen
The WS time delay matrix relates a lossless and reciprocal system's scattering matrix to its frequency derivative, and enables the synthesis of modes that experience well-defined g…
Wigner-Smith Time Delay Matrix for Electromagnetics: Theory and Phenomenology
Utkarsh R. Patel, Eric Michielssen
Wigner-Smith (WS) time delay concepts have been used extensively in quantum mechanics to characterize delays experienced by particles interacting with a potential well. This paper…
Magnetic and Combined Field Integral Equations Based on the Quasi-Helmholtz Projectors
Adrien Merlini, Yves Beghein, Kristof Cools +2
Boundary integral equation methods for analyzing electromagnetic scattering phenomena typically suffer from several of the following problems: (i) ill-conditioning when the frequen…
Computation of Electromagnetic Fields Scattered From Objects With Uncertain Shapes Using Multilevel Monte Carlo Method
Alexander Litvinenko, Abdulkadir C. Yucel, Hakan Bagci +3
Computational tools for characterizing electromagnetic scattering from objects with uncertain shapes are needed in various applications ranging from remote sensing at microwave fre…