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Topological Currents in Neutron Stars (More detail)

  1. Aug 19, 2012 #1
    Topological Currents in Neutron Stars:
    Kicks, Precession, Toroidal Fields, and Magnetic Helicity
    James Charbonneau and Ariel Zhitnitsky
    Department of Physics & Astronomy, University of British Columbia
    Journal of Cosmology and Astroparticle Physics, August 2010

    http://arxiv.org/pdf/0903.4450.pdf


    There's also a slide show at
    http://www.phas.ubc.ca/~james/papers/wnppc09.pdf

    and a PhD thesis at
    http://www.phas.ubc.ca/~james/papers/jcharbonneau_PhD_thesis.pdf

    The idea is this: There are a great many neutrons in a neutron star and some of these undergo decay. This produces mostly (only?) left-spin electrons. This excess will move in the direction of magnetic flux, inducing a current.

    This seems reasonable to me. Then in a neutron star core there will be a current flowing wherever there is sufficient magnetic flux. This is what interests me. Does that seem right?
    I also wonder about the magnitude of this current.

    (He goes further and proposes things that will happen if the star has no significant electron-absorbing crust, but this case is not in my interest.)
     
  2. jcsd
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