Dispersion of long MHD waves in a finely structured plasma (Articolo in rivista)

Type
Label
  • Dispersion of long MHD waves in a finely structured plasma (Articolo in rivista) (literal)
Anno
  • 2000-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1238/Physica.Topical.084a00052 (literal)
Alternative label
  • Maurizio Lontano (1), Enzo Lazzaro (1) and Dimitri Ryutov (2) (2000)
    Dispersion of long MHD waves in a finely structured plasma
    in Physica scripta (Online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Maurizio Lontano (1), Enzo Lazzaro (1) and Dimitri Ryutov (2) (literal)
Pagina inizio
  • 52 (literal)
Pagina fine
  • 56 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://iopscience.iop.org/1402-4896/2000/T84/011/ (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • T84 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Istituto di Fisica del Plasma, Milan, Italy (2) Lawrence Livermore National Laboratory, Livermore, CA 94551, USA (literal)
Titolo
  • Dispersion of long MHD waves in a finely structured plasma (literal)
Abstract
  • The propagation of long magnetohydrodynamic waves (with wavelength lambda) in a plasma characterized by small scale (of the order of a), large amplitude nonuniformities of its density and of the magnetic field is investigated in conditions where lambda >> a. The introduction of a suitable averaging procedure over an intermediate scale allows one to obtain the relevant dispersion relation for the long waves which manifests new properties with respect to those of a uniform plasma. Moreover, it is shown that, if the plasma nonuniformities are spatially distributed with a broad spectrum, within a finite interval of numerical values, a collisionless mechanism of damping may affect the slow mode. The results of this work are of concern both For astrophysical and laboratory plasmas. (literal)
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