Physics
Scientific paper
Mar 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aps..apr.x6001c&link_type=abstract
American Physical Society, APS April Meeting 2012, March 31-Apr 3, 2012, abstract #X6.001
Physics
Scientific paper
Hydromagnetic Alfven waves are fundamental electromagnetic oscillations in magnetically confined plasmas both in laboratories and in space. The anisotropic shear Alfven wave is particularly interesting due to its near incompressibility, and its group velocity being at the Alfven speed and parallel to the confining magnetic field. In realistic plasmas, shear Alfven waves consist of both the continuous spectrum due to the radial nonuniformities, and discrete eigenmodes due to the near periodic properties along the magnetic field. Energetic particles, meanwhile, are prevalent in laboratory fusion as well as solar-terrestial space plasmas. As the typical energetic particle velocities are comparable to the Alfven velocity, they can readily resonate with the waves and excite shear Alfven waves within the continuous and/or the discrete spectra. We shall discuss how excitations can be analyzed within the theoretical framework of a generalized linear fishbone-like dispersion relation. We shall also discuss issues of nonlinear physics pertinent to both the waves and the energetic particles; emphasizing the crucial roles of equilibrium geometries and nonuniformities.
No associations
LandOfFree
Alfven waves and their excitations by energetic particles in fusion and space plasmas does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Alfven waves and their excitations by energetic particles in fusion and space plasmas, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Alfven waves and their excitations by energetic particles in fusion and space plasmas will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1368854