Pulsar emission as curvature-generated polarized shot noise

Details Pulsar emission as curvature-generated polarized shot noise Pulsar emission as curvature-generated polarized shot noise

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...234..269g&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 234, no. 1-2, Aug. 1990, p. 269-272. Research supported by Polska Akademia Nau

Astronomy and Astrophysics

Astrophysics

26

Circular Polarization, Pulsars, Shot Noise, Stellar Models, Brightness Temperature, Depolarization, Stellar Magnetic Fields

Scientific paper

A model of pulsar radiation is proposed in which the observed emission is an incoherent superposition of a large number of subnanosecond shot pulses described by two orthogonally polarized components produced by the curvature mechanism. The model explains (1) a circular polarization reversing sign in the center of a subpulse or micropulse, (2) degree of circular polarization at observable level, (3) significant depolarization of the linear component, and (4) deviations of the position angle swing in the individual pulses from the average position angle curve.

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