Resonant axion-photon conversion in the early universe

T. Yanagida, M. Yoshimura

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)


It is shown that a cosmological magnetic field of order 10-8-10-9 G in the present universe gives rise to resonant axion-photon conversion at earlier epochs. Two effects that arise from the conversion of thermal photons into axions are discussed in some detail: the possibility of a baryon-dominated universe due to an enhanced baryon-photon ratio, and distortion of the Wien part of the microwave background radiation.

Original languageEnglish
Pages (from-to)301-306
Number of pages6
JournalPhysics Letters B
Issue number3
Publication statusPublished - Mar 10 1988
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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