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 Alfvén 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 us to look at many familiar modes simultaneously and thus to study the modifications of and the interactions between them in a systematic way. Especially, we are able to investigate self-consistently the kinetic MHD phenomena entirely from the kinetic side. Phase space Lagrangian Lie perturbation ... continued below

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Qin, H.; Rewoldt, G. & Tang, W.M. October 1, 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 Alfvén 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 us to look at many familiar modes simultaneously and thus to study the modifications of and the interactions between them in a systematic way. Especially, we 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, we present the basic theoretical formalism and some of the preliminary results.

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435 Kilobytes

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  • Other: DE00003678
  • Report No.: PPPL-3268
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/3678 | External Link
  • Office of Scientific & Technical Information Report Number: 3678
  • Archival Resource Key: ark:/67531/metadc687195

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  • October 1, 1997

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • April 15, 2016, 7:56 p.m.

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Qin, H.; Rewoldt, G. & Tang, W.M. Gyrokinetic Theory for Arbitrary Wavelength Electromagnetic Modes in Tokamaks, report, October 1, 1997; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc687195/: accessed May 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.