The magnetic monopole flux and the survival of intracluster magnetic fields

Yoel Rephaeli*, Michael S. Turner

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The observation of diffuse radio emission from a number of rich clusters (including the Coma cluster) indicates the presence of 10-8-10-7 G intracluster magnetic fields. We argue that the survival of such fields places an upper bound on the average flux of monopoles within our galaxy, F ≲ 10-18-10-20 cm-2 s-1 sr-1, for monopoles of mass m ≲ 10-18 GeV. Although somewhat less secure, this bound is at least 3 orders of magnitude more restrictive than the "Parker bound", which is based upon the survival of galactic magnetic fields.

Original languageEnglish
Pages (from-to)115-118
Number of pages4
JournalPhysics Letters B
Volume121
Issue number2-3
DOIs
StatePublished - 27 Jan 1983
Externally publishedYes

Funding

FundersFunder number
National Science FoundationPHY77-27084
U.S. Department of EnergyDE-ACO2-80ER10773 A003
University of California, Santa Barbara

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