Physics
Scientific paper
Nov 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988aipc..174...61m&link_type=abstract
IN: Radio wave scattering in the interstellar medium; Proceedings of the AIP Conference, San Diego, CA, Jan. 18, 19, 1988 (A89-2
Physics
1
Cosmic Rays, Electron Density (Concentration), Interstellar Matter, Magnetohydrodynamic Waves, Shock Wave Propagation, Supernova Remnants, Computerized Simulation, Electron Acceleration, Magnetohydrodynamic Turbulence, Scintillation
Scientific paper
Computer simulations have been performed to investigate whether sizable electron-density fluctuations might be produced in the process of cosmic-ray acceleration at SNR shock waves. The hypothesis is the following: cosmic-ray acceleration via a Fermi I mechanism leads to large-amplitude Alfven waves upstream of the shock. If the Alfven waves reach a large enough amplitude, they can drive sound waves in the ISM. The fluctuations in the electron density due to these sound waves will then contribute to the observed interstellar scintillation.
Arons Jonathan
Max Claire Ellen
Zachary A.
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