Constraints on cosmic magnetic monopoles imposed by the galactic magnetic field

Details Constraints on cosmic magnetic monopoles imposed by the galactic magnetic field Constraints on cosmic magnetic monopoles imposed by the galactic magnetic field

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982phrvl..49.1114s&link_type=abstract

Physical Review Letters, vol. 49, Oct. 11, 1982, p. 1114-1117.

Physics

19

Field Theory (Physics), Halos, Interstellar Magnetic Fields, Magnetic Monopoles, Spiral Galaxies, Charge Distribution, Dirac Equation, Electric Current

Scientific paper

The constraints on a hypothetical galactic halo of magnetic monopoles imposed by the galactic magnetic field are considered. It is shown that if the field derives from electric currents, then a disk-atabilizing galactic monopole halo cannot exist unless the monopole mass is greater than about 10 to the 21st GeV; the monopole flux is then less than about 5 x 10 to the -15th per sq cm/sec. If, however, the galactic field is due to monopole charge-density fluctuations, then a halo can exist, provided that the mass is greater than about 10 to the 17th GeV and the flux is less than about 5 x 10 to the -11th per sq cm/sec.

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