A burst emission mechanism for coherent radiation from pulsars.

Details A burst emission mechanism for coherent radiation from pulsars. A burst emission mechanism for coherent radiation from pulsars.

Jun 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984natur.309..826h&link_type=abstract

Nature, Vol. 309, No. 5962, p. 826 - 828

Physics

Neutron Stars:Radiation Mechanisms, Pulsars:Radiation Mechanisms

Scientific paper

Various mechanisms for generating coherent curvature radiation have been proposed to explain the high brightness temperature of pulsars at radio frequencies. The authors propose an entirely new mechanism of 'burst emission', which initiates at the surface of a neutron star. They argue that the induced electric field in the near magnetosphere of a rotating neutron star is sufficiently strong to detach moderately large grains of solid matter from the surface in the polar-cap regions. The detached grains erupt and form ascending plumes or jets of dense and highly charged gas. These plumes then accelerate along the open magnetic field lines and emit intense partially coherent radiation at radio frequencies.

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