Nonlinear temporal modulation of pulsar radioemission

Details Nonlinear temporal modulation of pulsar radioemission Nonlinear temporal modulation of pulsar radioemission

Sep 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984ntmp.bookq....c&link_type=abstract

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Physics

Microstructure, Modulation, Pulsars, Radio Emission, Astronomical Models, Electromagnetic Radiation, Electron-Positron Plasmas, Nonlinear Equations, Plasmas (Physics), Schroedinger Equation, Solitary Waves

Scientific paper

A nonlinear theory is discussed for self-modulation of pulsar radio pulses. A nonlinear Schroedinger equation is derived for strong electromagnetic waves propagating in an electron-positron plasma. The nonlinearities arising from wave intensity induced relativistic particle mass variation possibly 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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