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A group theoretical formulation of the so-called "ballooning" or "extended variable" representation, commonly adopted for the study of the linear eigenmodes of short wavelength excitations in a toroidal, axisymmetric electromagnetic plasma, is presented. With the help of this novel formulation, this representation is generalised so as to include the non-linear evolution of the excitations.

Additional information

Authors: PEGORARO F, JET Joint Undertaking, Abingdon, Oxon. (GB)
Bibliographic Reference: Report: JET-P(89)41 EN (1989)
Availability: Available from the Publications Officer, JET Joint Undertaking, Abingdon, Oxon. OX14 3EA (GB)
Record Number: 199010117 / Last updated on: 1994-12-01
Original language: en
Available languages: en