Vol. 304, No. 2, 2020

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The Hamiltonian dynamics of magnetic confinement in toroidal domains

Gabriel Martins

Vol. 304 (2020), No. 2, 613–628
Abstract

We consider a class of magnetic fields defined over the interior of a manifold M which go to infinity at its boundary and whose direction near the boundary of M is controlled by a closed 1-form σ Γ(TM). We are able to show that charged particles in the interior of M under the influence of such fields can only escape the manifold through the zero locus of σ. In particular in the case where the 1-form is nowhere vanishing we conclude that the particles become confined to its interior for all time.

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Keywords
magnetic confinement, toroidal domains, completeness, magnetic flow, manifolds with boundary
Mathematical Subject Classification 2010
Primary: 53D25, 70H05, 78A35
Milestones
Received: 28 August 2018
Revised: 7 January 2019
Accepted: 1 May 2019
Published: 12 February 2020
Authors
Gabriel Martins
Department of Mathematics and Statistics
Sacramento State University
Sacramento, CA
United States