Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997mnras.292..317t&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 292, p. 317
Astronomy and Astrophysics
Astronomy
3
Pulsars, Interstellar Magnetic Fields, Lines Of Force, Charged Particles, Gamma Ray Astronomy, Radio Emission, Energetic Particles, Magnetic Moments, Neutron Stars, Particle Emission
Scientific paper
It is shown that an external magnetic field, of strength at least comparable with that of the pulsar at the light cylinder, will modify the structure of the funnel of the open field lines. It affects the radiation power of charged particles and gamma-quanta emitted by radio pulsars (as well as the width and phase of pulses and possibly the power of radio emission). The effect depends also on the angle beta between the neutron star magnetic moment and the direction of the external magnetic field. In a wide range of beta, the external magnetic field increases the emission of particles. Only at beta close to 180 deg does the external field suppress the particle emission; the pulsar can even be switched off.
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