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| Titel |
The evolution of electron current sheet and formation of secondary islands in guide field reconnection |
| VerfasserIn |
C. Huang, Q. Lu, Z. Yang, M. Wu, Q. Dong, S. Wang |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1023-5809
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| Digitales Dokument |
URL |
| Erschienen |
In: Nonlinear Processes in Geophysics ; 18, no. 5 ; Nr. 18, no. 5 (2011-10-20), S.727-733 |
| Datensatznummer |
250013979
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| Publikation (Nr.) |
 copernicus.org/npg-18-727-2011.pdf |
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| Zusammenfassung |
| Two-dimensional (2-D) particle-in-cell (PIC) simulations are performed to
investigate the evolution of the electron current sheet (ECS) in guide field
reconnection. The ECS is formed by electrons accelerated by the inductive
electric field in the vicinity of the X line, which is then extended along
the x direction due to the imbalance between the electric field force and
Ampere force. The tearing instability is unstable when the ECS becomes
sufficiently long and thin, and several seed islands are formed in the ECS.
These tiny islands may coalesce and form a larger secondary island in the
center of the diffusion region. |
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