Electron-positron plasma generation in a pulsar magnetosphere

Details Electron-positron plasma generation in a pulsar magnetosphere Electron-positron plasma generation in a pulsar magnetosphere

Jul 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985zhetf..89....3g&link_type=abstract

Zhurnal Eksperimental'noi i Teoreticheskoi Fiziki (ISSN 0044-4510), vol. 89, July 1985, p. 3-21. In Russian.

Physics

Plasma Physics

27

Electron Plasma, Electron-Positron Plasmas, Plasma Generators, Pulsar Magnetospheres, Pulsars, Stellar Atmospheres, Electric Field Strength, Electron-Positron Pairs, Kinetic Equations, Magnetic Field Configurations, Pair Production, Particle Density (Concentration), Particle Emission, Plasma Physics, Vacuum

Scientific paper

Consideration is given to the generation of an electron-positron plasma in a vacuum in the presence of an inhomogeneous electric field and a strong curvilinear magnetic field. The electric field and the magnetic field are similar to the fields found in the magnetosphere of a rotating neutron star. A general set of kinetic equations is derived to describe the electrons, positrons and gamma quanta in the curvilinear magnetic field, taking into account the production of electron-positron pair and photon emission. The conditions for the appearance of vacuum 'breakdown' are found, together with the threshold value of the electric field discontinuity at the surface of the neutron star. The multiplication of particles in the magnetosphere is studied, and distribution functions are calculated for the electrons, positrons and gamma quanta. The extinction limit of pulsars was also found. It is shown that the theoretical results agree with published observations of neutron stars.

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