“Magneto-elastic” waves in an anisotropic magnetised plasma

Year: 2017

Authors: Del Sarto D.; Pegoraro F.; Tenerani A.

Autors Affiliation: Univ Lorraine; Univ Pisa; CNISM; Univ Calif Los Angeles

Abstract: The linear waves that propagate in a two fluid magnetised plasma allowing for a non-gyrotropic perturbed ion pressure tensor are investigated. For perpendicular propagation and perturbed fluid velocity a low frequency (magnetosonic) and a high frequency (ion Bernstein) branch are identified and discussed. For both branches a comparison is made with the results of a truncated Vlasov treatment. For the low frequency branch we show that a consistent expansion procedure allows us to recover the correct expression of the finite Larmor radius corrections to the magnetosonic dispersion relation.


Volume: 59 (4)      Pages from:   to:

KeyWords: magnetohydrodynamics, two-fluid plasma, plasma kinetic equations, electromagnetic waves, pressure tensor and pressure anisotropy
DOI: 10.1088/1361-6587/aa56bd