Gyrokinetic theory for arbitrary wavelength electromagnetic modes in tokamaks

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A linear gyrokinetic system for arbitrary wavelength electromagnetic modes is developed. A wide range of modes in inhomogeneous plasmas, such as the internal kink modes, the toroidal Alfven eigenmode (TAE) modes, and the drift modes, can be recovered from this system. The inclusion of most of the interesting physical factors into a single framework enables one to look at many familiar modes simultaneously and thus to study the modifications of and the interactions between them in a systematic way. Especially, the authors are able to investigate self-consistently the kinetic MHD phenomena entirely from the kinetic side. Phase space Lagrangian Lie ... continued below

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49 p.

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Qin, H.; Tang, W.M. & Rewoldt, G. October 15, 1997.

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Description

A linear gyrokinetic system for arbitrary wavelength electromagnetic modes is developed. A wide range of modes in inhomogeneous plasmas, such as the internal kink modes, the toroidal Alfven eigenmode (TAE) modes, and the drift modes, can be recovered from this system. The inclusion of most of the interesting physical factors into a single framework enables one to look at many familiar modes simultaneously and thus to study the modifications of and the interactions between them in a systematic way. Especially, the authors are able to investigate self-consistently the kinetic MHD phenomena entirely from the kinetic side. Phase space Lagrangian Lie perturbation methods and a newly developed computer algebra package for vector analysis in general coordinate system are utilized in the analytical derivation. In tokamak geometries, a 2D finite element code has been developed and tested. In this paper, they present the basic theoretical formalism and some of the preliminary results.

Physical Description

49 p.

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Also available from the following url: http://www.pppl.gov. See PPPL reports section for full text.; OSTI as DE98050237

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  • Other Information: PBD: 15 Oct 1997

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  • Other: DE98050237
  • Report No.: PPPL--3268
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/304152 | External Link
  • Office of Scientific & Technical Information Report Number: 304152
  • Archival Resource Key: ark:/67531/metadc683299

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  • October 15, 1997

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • April 15, 2016, 8:06 p.m.

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Qin, H.; Tang, W.M. & Rewoldt, G. Gyrokinetic theory for arbitrary wavelength electromagnetic modes in tokamaks, report, October 15, 1997; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc683299/: accessed May 26, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.