No Proca photons

Publications: Contribution to journalArticlePeer Reviewed


We show that the Proca equation in vacuum, as well as its plausible modifications in dielectric media, is incompatible with experimental evidence, no matter how small the Proca mass is.
Original languageEnglish
Article number056013
Number of pages5
JournalPhysical Review D
Issue number5
Publication statusPublished - 1 Mar 2023

Austrian Fields of Science 2012

  • 103012 High energy physics

Cite this