Self-modulational formation of pulsar microstructures

Details Self-modulational formation of pulsar microstructures Self-modulational formation of pulsar microstructures

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987stin...8816622c&link_type=abstract

Unknown

Physics

Plasma Physics

1

Pulsars, Pulse Modulation, Radio Emission, Space Plasmas, Electromagnetic Wave Transmission, Electron-Positron Plasmas, Plasma Physics, Schroedinger Equation, Stellar Magnetic Fields

Scientific paper

A nonlinear plasma theory for self modulation of pulsar radio pulses is discussed. A nonlinear Schroedinger equation is derived for strong electromagnetic waves propagating in an electron positron plasma. The nonlinearities arising from wave intensity induced particle mass variation may excite the modulational instability of circularly and linearly polarized pulsar radiation. The resulting wave envelopes can take the form of periodic wave trains or solitons. These nonlinear stationary waveforms may account for the formation of pulsar microstructures.

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