Nonlinear processes in Hamiltonian reconnection |
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| Institution: | 1. Burning Plasma Research Group, Dipartimento di Energetica, Politecnico di Torino, Corso Duca degli Abruzzi, 24, Torino, Italy;2. Dipartimento di Fisica, Università di Pisa, Italy;1. Centre de Physique Théorique Campus de Luminy, Case 907 13288 Marseille cedex 09, France;2. UMR 6207 Centre de physique theorique Aix-Marseille Universites case 907, Luminy 13288 Marseille cedex 9 FRANCE +04 91 26 95 49;1. Department of Modern Physics and Collaborative Innovation Center for Advanced Fusion Energy and Plasma Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China;2. Key Laboratory of Geospace Environment, CAS, Hefei, Anhui 230026, China;3. LSEC, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, P.O. Box 2719, Beijing 100190, China;4. Plasma Physics Laboratory, Princeton University, Princeton, NJ 08543, USA;1. Laboratoire de Physique du Solide, Faculté des Sciences Dhar El Mahraz, Université Sidi Mohamed Ben Abdellah, B.P. 1796, 30000 Fez-Atlas, Morocco;2. Laboratoire Systèmes et Environnements Durables, Université Privée de Fès, Lot. Quaraouiyine Route Ain Chkef, Fez, Morocco;1. Departamento de Matemáticas y Computación, Universidad de La Rioja, 26004 Logroño, Spain;2. Área de Física Aplicada, Universidad de La Rioja, 26006 Logroño, Spain;3. Departamento de Ingeniería Matemática e Informática, Universidad Pública de Navarra, 31006 Pamplona, Spain;1. IREAP, University of Maryland, College Park, MD, USA;2. Department of Physics and Astronomy, University of Iowa, Iowa City, IA, USA;3. Princeton Plasma Physics Laboratory, Princeton, NJ, USA |
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| Abstract: | The generation of small spatial scales and their interplay with large scale coherent structures is one of the outstanding phenomena of plasma physics and fluid mechanics. In high temperature space and laboratory plasmas dissipative effects become important at length scales that are much smaller than those where microscopic dynamical effects, related e.g., to electron inertia, come into play. Here we discuss the role of this dissipationless small scale dynamics on the nonlinear evolution of collisionless magnetic reconnection within the framework of the so called “two-field” and “four-field models”. |
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