Destruction of Invariant Surfaces and Magnetic Coordinates for Perturbed Magnetic Fields

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Description

Straight-field-line coordinates are constructed for nearly integrable magnetic fields. The coordinates are based on the robust, noble-irrational rotational-transform surfaces, whose existence is determined by an application of Greene's residue criterion. A simple method to locate these surfaces is described. Sequences of surfaces with rotational-transform converging to low order rationals maximize the region of straight-field-line coordinates.

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2.8 MB pages

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Hudson, S.R. November 20, 2003.

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Description

Straight-field-line coordinates are constructed for nearly integrable magnetic fields. The coordinates are based on the robust, noble-irrational rotational-transform surfaces, whose existence is determined by an application of Greene's residue criterion. A simple method to locate these surfaces is described. Sequences of surfaces with rotational-transform converging to low order rationals maximize the region of straight-field-line coordinates.

Physical Description

2.8 MB pages

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INIS; OSTI as DE00820204

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  • Other Information: PBD: 20 Nov 2003

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  • Report No.: PPPL-3904
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/820204 | External Link
  • Office of Scientific & Technical Information Report Number: 820204
  • Archival Resource Key: ark:/67531/metadc738066

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  • November 20, 2003

Added to The UNT Digital Library

  • Oct. 18, 2015, 6:40 p.m.

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  • April 15, 2016, 8:36 p.m.

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Hudson, S.R. Destruction of Invariant Surfaces and Magnetic Coordinates for Perturbed Magnetic Fields, report, November 20, 2003; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc738066/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.