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ALFVEN WAVES [1 record]

Record 1 2014-12-30

English

Subject field(s)
  • Nuclear Physics
  • Atomic Physics
  • Plasma Physics
  • Thermonuclear fusion
DEF

A wave of a much lower frequency than the ion cyclotron frequency, occurring in a plasma or in a conducting fluid immersed in a magnetic field, characterized by a transverse motion of the lines of force together with the plasma.

OBS

These transverse hydromagnetic waves propagate at the Alfvén velocity.

OBS

Alfvén wave: term and definition standardized by ISO in 1997.

Key term(s)
  • Alfvén waves

French

Domaine(s)
  • Physique nucléaire
  • Physique atomique
  • Physique des plasmas
  • Fusion thermonucléaire
DEF

Onde, de fréquence très inférieure à la fréquence gyromagnétique des ions, apparaissant dans un plasma ou dans un fluide conducteur placé dans un champ magnétique et caractérisée par un déplacement transversal d’ensemble des lignes de force et du plasma.

OBS

Ces ondes magnétohydrodynamiques transversales se déplacent à la vitesse d'Alfvén.

OBS

onde d'Alfvén : terme et définition normalisés par ISO en 1997.

Key term(s)
  • ondes d'Alfvén

Spanish

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