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Use of Stokes’ theorem for plasma confinement
Author(s) -
Robert S. MacKay
Publication year - 2020
Publication title -
philosophical transactions of the royal society a mathematical physical and engineering sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.074
H-Index - 169
eISSN - 1471-2962
pISSN - 1364-503X
DOI - 10.1098/rsta.2019.0519
Subject(s) - generalization , plasma , integrable system , physics , toroid , magnetic field , classical mechanics , mathematics , mathematical physics , mathematical analysis , quantum mechanics
Stokes’ theorem, in its original form and Cartan’s generalization, is crucial for designing magnetic fields to confine plasma (ionized gas). The paper illustrates its use, in particular to address the question whether quasi-symmetric fields, those for which guiding-centre motion is integrable, can be made with little or no toroidal current. This article is part of the theme issue ‘Stokes at 200 (Part 1)’.

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