JETP Letters

, Volume 86, Issue 10, pp 637–642 | Cite as

Nonlinear theory of mirror instability near its threshold

  • E. A. Kuznetsov
  • T. Passot
  • P. L. Sulem
Plasma, Gases

Abstract

An asymptotic model based on a reductive perturbative expansion of the drift kinetic and Maxwell’s equations is used to demonstrate that, near the instability threshold, the nonlinear dynamics of mirror modes in a magnetized plasma with anisotropic ion temperatures involves a subcritical bifurcation, leading to the formation of small-scale structures with amplitudes comparable with the ambient magnetic field.

PACS numbers

52.25.Xz 52.35.Py 94.05.-a 94.30.Cj 

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Copyright information

© Pleiades Publishing, Ltd. 2007

Authors and Affiliations

  • E. A. Kuznetsov
    • 1
    • 2
  • T. Passot
    • 3
  • P. L. Sulem
    • 3
  1. 1.Lebedev Physical InstituteRussian Academy of SciencesMoscowRussia
  2. 2.Landau Institute for Theoretical PhysicsRussian Academy of SciencesMoscowRussia
  3. 3.CNRSObservatoire de la Côte d’AzurNice Cedex 4France

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