A collective radiation mechanism for the core emission of pulsars

Details A collective radiation mechanism for the core emission of pulsars A collective radiation mechanism for the core emission of pulsars

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.161..271w&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 161, no. 2, Nov. 1989, p. 271-278.

Astronomy and Astrophysics

Astrophysics

3

Cerenkov Radiation, Energetic Particles, Ion Cyclotron Radiation, Pulsars, Stellar Rotation, Angular Velocity, Circular Polarization, Coherent Radiation, Interstellar Masers

Scientific paper

In the magnetic axial ambience of the rapidly rotating pulsar, the position beam has been accelerated by the gap of the intense electric field, and ejected with rotation around the magnetic axis. While there exists rare plasma envelope near the pulsar, such energetic and rotational positron beam may have those waves near the ion-cyclotron frequencies amplified in the direction of the magnetic field, by exciting Cerenkov and maser instabilities. These are a kind of coherence radiation which has a larger portion of circular polarization. Under this mechanism, the emerging of another radiation process from the pulsars, that is, the core emission can be satisfactorily explained. This paper also discusses some possible observations resulting from the mechanism.

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