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Title: Equivalence of two independent calculations of the higher order guiding center Lagrangian

The difference between the guiding center phase-space Lagrangians derived in J. W. Burby et al. [Phys. Plasmas 20, 072105 (2013)] and F. I. Parra and I. Calvo [Plasma Phys. Controlled Fusion 53, 045001 (2011)] is due to a different definition of the guiding center coordinates. In this brief communication, the difference between the guiding center coordinates is calculated explicitly.
Authors:
 [1] ;  [2] ; ;  [3] ;  [4]
  1. Rudolf Peierls Centre for Theoretical Physics, University of Oxford, Oxford OX1 3NP, United Kingdom and Culham Centre for Fusion Energy, Abingdon OX14 3DB (United Kingdom)
  2. Laboratorio Nacional de FusiĆ³n, CIEMAT, 28040 Madrid (Spain)
  3. Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543 (United States)
  4. Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543, USA and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026 (China)
Publication Date:
OSTI Identifier:
22299740
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 21; Journal Issue: 10; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; COORDINATES; LAGRANGIAN FUNCTION; PHASE SPACE; PLASMA