Some nonlinear mechanisms of pulsar emission

Details Some nonlinear mechanisms of pulsar emission Some nonlinear mechanisms of pulsar emission

Jan 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982phst....2..215l&link_type=abstract

(IUPAP, IAU, URSI, EPS, and EURATOM, International Conference on Plasma Physics, Goteborg, Sweden, June 9-15, 1982.) Physica Scr

Physics

Plasma Physics

6

Electron Plasma, Nonlinear Equations, Planetary Magnetospheres, Plasma-Electromagnetic Interaction, Pulsars, Relativistic Plasmas, Stellar Radiation, Cyclotron Radiation, Electron-Positron Plasmas, Electrostatic Waves, Magnetic Fields, Magnetoacoustic Waves, Magnetohydrodynamic Stability, Magnetohydrodynamic Waves, Positrons, Relativistic Electron Beams, Solitary Waves

Scientific paper

Results obtained from the theory of linear and nonlinear waves propagating in a relativistic electron-positron plasma with a strong external magnetic field are presented, and their possible application to explain the radiation mechanism in pulsars is discussed. Linear wave theory is presented for waves propagating along, across, and at an angle to the magnetic field. Beam and cyclotron instability in relativistic plasma are addressed, and the possible existence of cyclotron instability in the magnetosphere of young pulsars, in particular the Crab pulsar, is considered. Nonlinear wave theory is covered, discussing three possible wave processes. Emphasis is given to the formation of Langmuir, magnetosonic, and Alfven wave solitons. Finally, the nonlinear theory of low frequency waves is applied to a discussion of the Crab pulsar's high frequency and radio frequency radiation.

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