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Model of electron pressure anisotropy in the electron diffusion region of collisionless magnetic reconnection / A. . Divin [et al.] // Phys. Plasmas. - 2010. - Vol. 17, Is. 12. - Ст. 122102, DOI 10.1063/1.3521576. - Cited References: 42. - The present work is supported partially by the Onderzoekfonds KU Leuven (Research Fund KU Leuven) and by the European Commission's Seventh Framework Programme (FP7/2007-2013) under grant Agreement No. 218816 (SOTERIA project, www.soteria- space.eu). Additional support is provided by RFBR (Grant No. 09-05-91000-ANF-a). V.S.S. thanks ISSI for hospitality and financial support. The simulations were conducted on the resources of the Vlaams Supercomputer Centrum (VSC) at the Katholieke Universiteit Leuven. . - ISSN 1070-664X

РУБ Physics, Fluids & Plasmas
Рубрики:
CURRENT SHEETS
   X-LINE
   PLASMA
   DISSIPATION
   FIELD
   SIMULATIONS
   ACCELERATION
   TRANSPORT
Кл.слова (ненормированные):
Analytical results -- Antiparallel configuration -- Collisionless -- Electron diffusion -- Electron population -- Electron pressures -- Magnetic reconnections -- Neutral line -- New model -- Particle-in-cell simulations -- Two particles -- Anisotropy -- Astrophysics -- Collisionless plasmas -- Computer simulation -- Diffusion -- Geophysics -- Magnetic fields -- Magnetic properties -- Plasma simulation -- Electrons
Аннотация: A new model of the electron pressure anisotropy in the electron diffusion region in collisionless magnetic reconnection is presented for the case of antiparallel configuration of magnetic fields. The plasma anisotropy is investigated as source of collisionless dissipation. By separating electrons in the vicinity of the neutral line into two broad classes of inflowing and accelerating populations, it is possible to derive a simple closure for the off-diagonal electron pressure component. The appearance of these two electron populations near the neutral line is responsible for the anisotropy and collisionless dissipation in the magnetic reconnection. Particle-in-cell simulations verify the proposed model, confirming first the presence of two particle populations and second the analytical results for the off-diagonal electron pressure component. Furthermore, test-particle calculations are performed to compare our approach with the model of electron pressure anisotropy in the inner electron diffusion region by Fujimoto and Sydora [Phys. Plasmas 16, 112309 (2009)]. (C) 2010 American Institute of Physics. [doi:10.1063/1.3521576]

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Держатели документа:
[Divin, A.
Markidis, S.
Lapenta, G.] Katholieke Univ Leuven, Ctr Plasma Astrofys, B-3001 Heverlee, Belgium
[Semenov, V. S.] St Petersburg State Univ, Dept Phys, St Petersburg 198504, Russia
[Erkaev, N. V.] Russian Acad Sci, Inst Computat Modelling, Krasnoyarsk 660036, Russia
[Erkaev, N. V.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Biernat, H. K.] Austrian Acad Sci, Space Res Inst, A-8042 Graz, Austria
[Biernat, H. K.] Graz Univ, Inst Phys, A-8010 Graz, Austria
ИВМ СО РАН
Centrum voor Plasma-astrofysica, Katholieke Universiteit Leuven, B-3001 Heverlee, Belgium
Department of Physics, St. Petersburg State University, St. Petersburg 198504, Russian Federation
Institute for Computational Modelling, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation
Siberian Federal University, Krasnoyarsk 660041, Russian Federation
Space Research Institute, Austrian Academy of Sciences, Graz A-8042, Austria
Institute of Physics, University of Graz, Graz A-8010, Austria

Доп.точки доступа:
Divin, A.; Markidis, S.; Lapenta, G.; Semenov, V. S.; Erkaev, N. V.; Еркаев, Николай Васильевич; Biernat, H. K.
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