Comment on "stepped pressure profile equilibria in cylindrical plasmas via partial Taylor relaxation" [J. Plasma Physics (2006), vol. 72, part 6, pp. 1167-1171]

Yuanfan Wang, Dhairya Malhotra, Antoine J. Cerfon

Research output: Contribution to journalArticlepeer-review

Abstract

In an early study of the properties and capabilities of the multiregion, relaxed magnetohydrodynamic model, Hole, Hudson & Dewar claim that they are able to construct a multiregion stepped pressure cylindrical equilibrium which does not require the existence of surface currents. We present a brief argument showing that this claim is incorrect, and clarify the meaning of their statement. Furthermore, even with the statement clarified, we demonstrate that it is not possible to find solutions to reproduce the equilibrium corresponding to the parameters given in the article. We invite the authors to provide a corrigendum with the correct values of the equilibrium they constructed.

Original languageEnglish (US)
Article number175870202
JournalJournal of Plasma Physics
DOIs
StateAccepted/In press - 2021

Keywords

  • fusion plasma
  • plasma confinement
  • plasma simulation

ASJC Scopus subject areas

  • Condensed Matter Physics

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