Collisionless particle dynamics in trap sections with helical corrugation

Ivan S. Chernoshtanov; Dmitry A. Ayupov

doi:10.1063/5.0040715

Collisionless particle dynamics in trap sections with helical corrugation

Ivan S. Chernoshtanov, Dmitry A. Ayupov

Department of Physics

Research output: Contribution to journal › Article › peer-review

Abstract

Collisionless particle dynamics in a helical magnetic mirror is investigated by methods of the Hamilton dynamics. In the limit of small Larmor radius, the Hamiltonian is fully integrable and particle trajectories can be divided into three types, differing in the direction of the drift velocity. The structure of the trajectories of resonant particles and the width of the resonance are studied. The influence of weak axi-symmetrical corrugation on the particle dynamics and efficiency of plasma flow suppression through a helical mirror are discussed.

Original language	English
Article number	032502
Journal	Physics of Plasmas
Volume	28
Issue number	3
DOIs	https://doi.org/10.1063/5.0040715
Publication status	Published - 1 Mar 2021

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1.03 PHYSICAL SCIENCES AND ASTRONOMY

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Collisionless particle dynamics in trap sections with helical corrugation

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