Neutrino clustering in the galaxy with a global monopole

  title={Neutrino clustering in the galaxy with a global monopole},
  author={T. H. Lee and Bruce H. J. McKellar},
  journal={Physical Review D},
In spherically symmetric, static spacetime, we show that only j=1/2 fermions can satisfy both Einstein's field equation and Dirac's equation. It is also shown that neutrinos are able to have effective masses and cluster in the galactic halo when they are coupled to a global monopole situated at the galactic core. Astronomical implications of the results are discussed. 
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