Barriers to field line transport in 3D magnetic configurations

The transport properties of magnetized plasma configurations are studied that arise from a one-dimensional, current layer that is unstable to reconnecting modes. These magnetic configurations are partially stochastic. It is shown that ridges in the Finite Time Lyapunov Exponents (FTLE) distribution...

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Bibliographic Details
Published in:Journal of physics. Conference series 2010-11, Vol.260 (1), p.012012
Main Authors: Grasso, D, Borgogno, D, Pegoraro, F, Schep, T J
Format: Article
Language:English
Subjects:
Configurations
Liapunov exponents
Magnetic properties
Magnetism
Physics
Ridges
Transport properties
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Summary:The transport properties of magnetized plasma configurations are studied that arise from a one-dimensional, current layer that is unstable to reconnecting modes. These magnetic configurations are partially stochastic. It is shown that ridges in the Finite Time Lyapunov Exponents (FTLE) distribution are aligned with the invariant manifolds related to the lines of uniform hyperbolicity. It is shown that these ridges form approximate Lagrangian Coherent Structures (LCS) and act as barriers to the transport of magnetic field lines.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/260/1/012012