Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978mnras.184..807j&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 184, Sept. 1978, p. 807-823.
Astronomy and Astrophysics
Astronomy
32
Magnetic Poles, Neutron Stars, Particle Acceleration, Stellar Magnetic Fields, Ion Emission, Pair Production, Photons, Pulsars, Stellar Models, Thermal Conductivity
Scientific paper
The paper considers the possibility that the radio emission of pulsars results from charged particles, accelerated in a region near the magnetic pole of the neutron star, that move along the open field lines which penetrate the light cylinder. In the investigation of some of the physical processes occurring near the magnetic poles, an order of magnitude estimate of the spectrum of backward-moving photons created in the electron shower is considered, and the most important source of photons is shown to be the formation of the giant dipole state in Fe-56. An equation for the maximum acceleration potential has been obtained in a one-dimensional model of pair creation and electron multiplication based on this photon source. The model is applied to subpulse drift in pulsars, and the three components of the plasma accelerated at the magnetic pole are characterized.
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