The Emission of Electromagnetic Waves from the Counterstreaming Region in Magnetized Pair Plasmas

Details The Emission of Electromagnetic Waves from the Counterstreaming Region in Magnetized Pair Plasmas The Emission of Electromagnetic Waves from the Counterstreaming Region in Magnetized Pair Plasmas

Feb 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004apj...602l..41s&link_type=abstract

The Astrophysical Journal, Volume 602, Issue 1, pp. L41-L44.

Astronomy and Astrophysics

Astronomy

6

Instabilities, Plasmas, Stars: Pulsars: General, Radiation Mechanisms: Nonthermal

Scientific paper

The counterstreaming instability in magnetized electron and positron (pair) plasmas is investigated by using the two-dimensional electromagnetic relativistic particle-in-cell code. It is shown that the electrostatic waves are strongly generated by the counterstreaming instability in strongly magnetized pair plasmas (ωce/ωpe=2). It is also shown that the high-frequency electromagnetic waves are generated in the saturated phase of the electrostatic waves. The plasma maser process in which the electrostatic waves can be converted to the high-frequency electromagnetic waves could be a possible mechanism for the electromagnetic wave emission in the pulsar magnetosphere.

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