Precursor heating and acceleration by Langmuir waves - The type II supernova case

Details Precursor heating and acceleration by Langmuir waves - The type II supernova case Precursor heating and acceleration by Langmuir waves - The type II supernova case

May 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986ap%26ss.122..355c&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 122, no. 2, May 1986, p. 355-370. Research supported by the Fundacao de Am

Astronomy and Astrophysics

Astrophysics

2

Electrostatic Waves, Particle Acceleration, Plasma Heating, Shock Wave Propagation, Stellar Evolution, Supernovae, Plasma-Electromagnetic Interaction, Plasmons, Shock Fronts, Stellar Models

Scientific paper

The upstream damping effects of Langmuir waves created both behind and in front of a shock front propagating in the circumstellar matter are examined. A model is presented where upstream heating is produced by Landau damping of two different types of Langmuir waves, those excited by resonance beam particles upstream and those created in the postshock turbulent waves. The model makes it possible to calculate the 'heating efficiency' of beam particles, Bell's acceleration efficiency, the spectrum of Langmuir waves in a turbulent regime, and the effects of density. The calculations are applied to type II SN.

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