Preferential positron heating and acceleration by synchrotron maser instabilities in relativistic positron-electron-proton plasmas

Details Preferential positron heating and acceleration by synchrotron maser instabilities in relativistic positron-electron-proton plasmas Preferential positron heating and acceleration by synchrotron maser instabilities in relativistic positron-electron-proton plasmas

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991phflb...3..818h&link_type=abstract

Physics of Fluids B (ISSN 0899-8221), vol. 3, March 1991, p. 818-833. Research supported by Lawrence Livermore National Laborato

Physics

34

Electron-Positron Plasmas, Masers, Particle Acceleration, Synchrotron Radiation, Celestial Bodies, Maxwell-Boltzmann Density Function, Particle Emission, Power Spectra, Relativistic Effects, Shock Waves

Scientific paper

A new process of the preferential strong heating of positrons through the ion synchrotron maser instability in positron-electron-proton magnetized plasmas is investigated using particle-in-cell simulations. It is shown that the positrons form a nonthermal power-law-like energy distribution via their gyroresonant interaction with the extraordinary modes emitted by the ions. It is noted that this process may be of significance in connection with the shock excitation of nonthermal synchrotron radiation from astrophysical systems powered by relativistic outflows from compact central objects, e.g., supernova remnants powered by pulsars and jets from active galactic nuclei.

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