Comment on "Wave Refraction in Negative-Index Media: Always Positive and Very Inhomogeneous"
Preprint
- 28 June 2002
Abstract
In a recent Physical Review Letter [1] Valanju Walser and Valanju (VWV) called into question the basis of work on the so called negative index media (NIM). See for example [2,3]. The key point at issue is, `what is the group velocity of a wave in NIM?'Keywords
All Related Versions
- Version 1, 2002-06-28, ArXiv
- Published version: Physical Review Letters, 90 (2), 029703.