http://www.cnr.it/ontology/cnr/individuo/prodotto/ID179983
Barriers in the transition to global chaos in collisionless magnetic reconnection. I. Ridges of the finite time Lyapunov exponent field (Articolo in rivista)
- Type
- Label
- Barriers in the transition to global chaos in collisionless magnetic reconnection. I. Ridges of the finite time Lyapunov exponent field (Articolo in rivista) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1063/1.3647339 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- D. Borgogno (1); D. Grasso (1,2); F. Pegoraro (3); T. J. Schep (4) (literal)
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- http://scitation.aip.org/content/aip/journal/pop/18/10/10.1063/1.3647339 (literal)
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- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1) Dipartimento di Energetica, Politecnico di Torino, Torino, Italy
2) CNR Consiglio Nazionale delle Ricerche, Istituto dei Sistemi Complessi, Dipartimento di Energetica,
Politecnico di Torino, Torino, Italy
3) Physics Department, Pisa University, Pisa, CNISM, Italy
4) Physics Department, Eindhoven University of Technology, Eindhoven, The Netherlands (literal)
- Titolo
- Barriers in the transition to global chaos in collisionless magnetic reconnection. I. Ridges of the finite time Lyapunov exponent field (literal)
- Abstract
- The transitional phase from local to global chaos in the magnetic field of a reconnecting current
layer is investigated. Regions where the magnetic field is stochastic exist next to regions where the
field is more regular. In regions between stochastic layers and between a stochastic layer and an
island structure, the field of the finite time Lyapunov exponent (FTLE) shows a structure with
ridges. These ridges, which are special gradient lines that are transverse to the direction of minimum
curvature of this field, are approximate Lagrangian coherent structures (LCS) that act as barriers for
the transport of field lines. (literal)
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