Comments on "returning to the post constraints"

Akhlesh Lakhtakia, Werner S. Weiglhofer

Research output: Contribution to journalComment/debatepeer-review

1 Scopus citations


Dmitriev [Microwave Opt Technol Lett 27 (2000) 201-203] recently contended that the so-called Post constraint holds only for reciprocal and spatiotemporally local media. Having provided general proofs earlier, we point out that the Post constraint thus is not restricted, but applies to all linear media-whether spatiotemporally local or nonlocal, spatiotemporally homogeneous or nonhomogeneous, and reciprocal or nonreciprocal.

Original languageEnglish (US)
Pages (from-to)363
Number of pages1
JournalMicrowave and Optical Technology Letters
Issue number5
StatePublished - Jun 5 2001

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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