Ядерна фізика та енергетика Nuclear Physics and Atomic Energy   ISSN: 1818-331X (Print), 2074-0565 (Online)   Publisher: Institute for Nuclear Research of the National Academy of Sciences of Ukraine   Languages: Ukrainian, English   Periodicity: 4 times per year   Open access peer reviewed journal

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V. D. Shafranov, M. I. Mikhailov, A. A. Subbotin

Russian Research Centre "Kurchatov Institute", Moscow, Russia

Abstract: Two approaches to descriptions of islands with small number of periods in toroidal systems are discussed. One of these uses the helicoidal poloidal magnetic flux and tokamak-like representation of the magnetic field. Another approach suggests the generalization of the parameterisation of the magnetic surfaces used for example, in VMEC equilibrium code, on the configuration with the magnetic islands.

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