Poynting theorem constraints on the signs of the imaginary parts of the electromagnetic constitutive parameters: Comment

Ricardo A. Depine, Akhlesh Lakhtakia

Research output: Contribution to journalReview article

1 Scopus citations

Abstract

Contrary to an unphysical conclusion obtained by Alavikia et al. [J. Opt. Soc. Am. A 32, 522 (2015)], the imaginary parts of both the permittivity and the permeability of any linear, homogeneous, passive, spatially local, dielectric-magnetic material are always positive, independent of the signs of their real parts.

Original languageEnglish (US)
Pages (from-to)1564-1565
Number of pages2
JournalJournal of the Optical Society of America A: Optics and Image Science, and Vision
Volume32
Issue number8
DOIs
StatePublished - Jan 1 2015

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Computer Vision and Pattern Recognition

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