Comment on "Wave Refraction in Negative-Index Materials: Always Positive and Very Inhomogeneous"

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/19691Wave refraction in negative-index media is always negative.Comment on Phys. Rev. Lett. 88, 187401 (2002), 1 page, 1 figureCondensed MatterComment on "Wave Refraction in Negative-Index Materials: Always Positive and Very Inhomogeneous"text