Theory of the radio emission of pulsars

Details Theory of the radio emission of pulsars Theory of the radio emission of pulsars

Jul 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.146..205b&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 146, no. 2, July 1988, p. 205-281.

Astronomy and Astrophysics

Astrophysics

63

Electron-Positron Plasmas, Pulsars, Radio Emission, Relativistic Plasmas, Stellar Magnetospheres, Stellar Oscillations, Emission Spectra, Magnetic Field Configurations, Polarization Characteristics

Scientific paper

A consistent theory of excitation, stabilization, and propagation of electromagnetic oscillations in a relativistic one-dimensional electron-positron plasma flowing along curved magnetic field lines is presented. It is shown that in such a medium, which is typical of the magnetosphere of a neutron star, there exist unstable natural modes of oscillations. Nonlinear saturation of the instability leads to an effective energy conversion into transverse oscillations capable of leaving the magnetosphere of a pulsar. The polarization spectrum and the directivity pattern of generated radiation are determined. A comparison with observations has shown that the theory makes it possible to explain practically all the basic characteristics of observed pulsar radio emission.

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