Published July 1987 | Version v1
Report Open

Nonlinear propagation of Alfven waves in cometary plasmas

Creators

  • 1. International Centre for Theoretical Physics, Trieste (Italy)
  • 2. Bochum Univ. (Germany, F.R.)

Description

Large amplitude Alfven waves propagating along the guide magnetic field in a three-component plasma are shown to be modulationally unstable due to their nonlinear interaction with nonresonant electrostatic density fluctuations. A new class of subsonic Alfven soliton solutions are found to exist in the three-component plasma. The Alfven solitons can be relevant in explaining the properties of hydromagnetic turbulence near the comets. (author). 15 refs

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Additional details

Publishing Information

Imprint Pagination
8 p.
Report number
IC--87/150

INIS

Country of Publication
International Atomic Energy Agency (IAEA)
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
19034282
Subject category
S79: ASTROPHYSICS, COSMOLOGY AND ASTRONOMY;
Descriptors DEI
ALFVEN WAVES; COMETS; MAGNETIC FIELDS; NONLINEAR PROBLEMS; PLASMA; SOLITONS; TURBULENCE
Descriptors DEC
HYDROMAGNETIC WAVES; QUASI PARTICLES