Comments on "space-time and momentum representations of electromagnetic signals" by P. Hillion (Int. J. Appl. Electromagn. Mech. 7 (1996) 181-191)

Akhlesh Lakhtakia, Werner S. Weiglhofer

Research output: Contribution to journalArticle

2 Scopus citations


According to Hillion, a simply moving, isotropic dielectric material (i) appears isotropic to a stationary observer and (ii) does not satisfy the Post constraint. We show here that he is incorrect on both counts.

Original languageEnglish (US)
Pages (from-to)285-287
Number of pages3
JournalInternational Journal of Applied Electromagnetics and Mechanics
Issue number3
Publication statusPublished - Dec 1 1997


All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Electrical and Electronic Engineering

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