Trapping of fast magnetoacoustic waves close to an X line in a toroidal system

Daniela Farina, Roberto Pozzoli

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Abstract

The trapping of fast magnetoacoustic waves around the X line of a toroidal magnetic configuration is investigated in the framework of ideal magnetohydrodynamics using a WKB approach. The frequency spectrum and the relevant eigenmodes are determined for the hyperbolic case, and for a divertorlike geometry. Striking differences are pointed out, which are due to the breaking of the symmetry in the system. © 1997 The American Physical Society.
Original languageEnglish
Pages (from-to)5909 - 5914
Number of pages6
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume55
Issue number5
DOIs
Publication statusPublished - 1997
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Condensed Matter Physics

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