2001/11/30 by Akhlesh Lakhtakia
Physics and Astronomy · #physics.class-ph
published as Int. J. Infrared Millim. Waves, Vol. 23, pp. 813-818 (2002) · 5 pages
arxiv created 2001/11/30 · arxiv updated 2009/12/01
An electromagnetic trinity comprising vacuum, anti--vacuum, and nihility is postulated -- after making use of materials with "negative permittivity" and "negative permeability" -- to illuminate the structure of electromagnetic theory, at least insofar as the relationship of phase velocity with Poynting vector is concerned.