A new condition to identify isotropic dielectric-magnetic materials displaying negative phase velocity

Ricardo A. Depine, Akhlesh Lakhtakia

Research output: Contribution to journalArticle

206 Scopus citations

Abstract

A new condition for characterizing isotropic materials with negative phase velocity was derived. The equivalence between this condition and its predecessors was also studied. A linear isotropic dielectric-magnetic medium characterized by complex-valued relative permittivity and relative permeability scalars was also considered. The wave equation gives the square of the complex-valued refractive index.

Original languageEnglish (US)
Pages (from-to)315-316
Number of pages2
JournalMicrowave and Optical Technology Letters
Volume41
Issue number4
DOIs
StatePublished - May 20 2004

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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