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Effective Local Permittivity Model for Non-Local Wire Media
Alexander B. Yakovlev, Mário G. Silveirinha, George W. Hanson
A local permittivity model is proposed to accurately characterize spatial dispersion in non-local wire-medium (WM) structures with arbitrary terminations. A closed-form expression…
An Equivalent ABCD-Matrix Formalism for Non-Local Wire Media with Arbitrary Terminations
Alexander B. Yakovlev, Mário G. Silveirinha, George W. Hanson +1
A simple analytical model based on the transmission-matrix approach is proposed for equivalent wire-medium (WM) interfaces. The obtained ABCD matrices for equivalent interfaces cap…
Hidden Time-Reversal Symmetry in Dissipative Reciprocal Systems
Mario G. Silveirinha
It is proven, without using the microscopic reversibility argument of Onsager, that lossy reciprocal systems have a hidden time-reversal symmetry. The key idea is that the dissipat…
Time-reversal Symmetry in Antenna Theory
Mario G. Silveirinha
Here, I discuss some implications of the time-reversal invariance of lossless radiating systems. I highlight that time-reversal symmetry provides a rather intuitive explanation for…