The beam instability of a plasma in a pulsar magnetosphere

Details The beam instability of a plasma in a pulsar magnetosphere The beam instability of a plasma in a pulsar magnetosphere

Jul 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983sogru.111...45e&link_type=abstract

Akademiia Nauk Gruzinskoi SSR, Soobshcheniia (ISSN 0132-1447), vol. 111, July 1983, p. 45-48. In Russian.

Physics

Magnetohydrodynamic Stability, Magnetospheric Instability, Pulsar Magnetospheres, Pulsars, Relativistic Electron Beams, Relativistic Plasmas, Stellar Atmospheres, Electron Plasma, Electron-Positron Plasmas, Plasma-Particle Interactions, Positrons, Stellar Radiation

Scientific paper

The beam instabilities that can arise in a near-pulsar, ultrarelativistic plasma are determined. It is shown that with known plasma parameters for a pulsar magnetosphere, the development of a beam instability must include a hydrodynamic stage. The beam can thus be spread. The generation of radiation is qualitatively analogous to the case treated by Benford and Buschauer (1977), except that here the plasma is relativistic and the beam is spread. In an electron-positron plasma in which the ratio of the relativistic factor of the beam to that of the plasma is approximately 1000 and thef ratio of the beam density to the plasma density is approximately 0.001, a kinetic beam instability of the longitudinal waves does not develop.

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