Cherenkov damping of surface waves

Details Cherenkov damping of surface waves Cherenkov damping of surface waves

Dec 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...323..399a&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 323, Dec. 1, 1987, p. 399-405. Research supported by the Coordenacao do Ape

Astronomy and Astrophysics

Astrophysics

14

Cerenkov Radiation, Landau Damping, Plasma Heating, Solar Corona, Surface Waves

Scientific paper

The observed amount of coronal heating is presently explained in terms of the energy supplied by surface waves; attention is given to a calculation of the Landau damping together with transit time magnetic pumping, or Cerenkov damping, of waves with an arbitrary wave vector k. Emphasis is placed on the role in Cerenkov damping of low frequency surface waves. Transit time magnetic pumping is the only collisionless damping mechanism for surface waves; in some situations, surface waves can deposit energy and momentum in the corona by way of transit-time magnetic pumping as efficiently as kinetic Alfven waves do with Landau damping.

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