Loss-cone stabilization in rotating mirrors: thresholds and thermodynamics

E. J. Kolmes, I. E. Ochs, N. J. Fisch

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

In the limit of sufficiently fast rotation, rotating mirror traps are known to be stable against the loss-cone modes associated with conventional (non-rotating) mirrors. This paper calculates how quickly a mirror configuration must rotate in order for several of these modes to be stabilized (in particular, the high-frequency convective loss cone, drift cyclotron loss cone and Dory–Guest–Harris modes). Commonalities in the stabilization conditions for these modes then motivate a modified formulation of the Gardner free energy and diffusively accessible free energy to be used for systems in which the important modes have wavevectors that are orthogonal or nearly orthogonal to the magnetic field, as well as a modification to include the effects of a loss region in phase space.

Original languageEnglish (US)
Article number905900203
JournalJournal of Plasma Physics
Volume90
Issue number2
DOIs
StatePublished - Mar 15 2024

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

Keywords

  • fusion plasma
  • plasma instabilities
  • plasma waves

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