Theory of radioemission of pulsars

Details Theory of radioemission of pulsars Theory of radioemission of pulsars

Jan 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989plap.work..209b&link_type=abstract

In ESA, Proceedings of an International School and Workshop on Plasma Astrophysics, Volume 1 p 209-217 (SEE N89-24910 18-75)

Astronomy and Astrophysics

Astrophysics

Magnetohydrodynamic Stability, Pulsars, Radio Bursts, Stellar Magnetospheres, Stellar Radiation, Astronomical Models, Magnetohydrodynamic Waves, Plasma Oscillations, Relativistic Plasmas

Scientific paper

A theory of excitation, stabilization, and propagation of electromagnetic oscillations in the relativistic plasma of pulsar magnetosphere is compared with observations. Starting point of the theory is relativistic electron-positron plasma flux flowing along open field lines in pulsar magnetosphere. This flux is unstable; curvature-plasma modes are intensily generated in it. The study of nonlinear processes shows that there proceeds a nonlinear saturation and transformation of such modes into transverse electromagnetic waves capable of leaving the magnetosphere of a neutron star. These outgoing waves are, in fact, pulsar radio emission. It is shown that using the model, it is possible to explain practically all the basic characteristics of observed pulsar radio emission.

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