Quantum vacuum energy and the masslessness of the photon

P. C.W. Davies, S. D. Unwin

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


We show that the existence of an arbitrarily small photon mass would produce an additional vacuum energy at the surface of a conducting material that should be measurable. The result could have implications for cosmology.

Original languageEnglish (US)
Pages (from-to)274-276
Number of pages3
JournalPhysics Letters B
Issue number4
StatePublished - Jan 15 1981
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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