Magnetic Reconnection Controlled by Multi-Hierarchy Physics in an Open System
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- HORIUCHI Ritoku
- National Institute for Fusion Science, Toki 509-5292, Japan The Graduate University for Advanced Studies, Toki 509-5292, Japan
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- USAMI Shunsuke
- National Institute for Fusion Science, Toki 509-5292, Japan
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- OHTANI Hiroaki
- National Institute for Fusion Science, Toki 509-5292, Japan The Graduate University for Advanced Studies, Toki 509-5292, Japan
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- MORITAKA Toseo
- Kobe University, Nada, Kobe 657-8501, Japan
Abstract
Multi-hierarchy physics in magnetic reconnection is investigated using two kinds of numerical simulation models: the electromagnetic particle simulation model for an open system (PASMO) and the magnetohydrodynamic and particle-in-cell (MHD-PIC) interlocked model for the multi-hierarchy simulation of magnetic reconnection. A series of simulation studies using the PASMO code have disclosed that ion and electron dissipation regions form inside a kinetic regime in which ion and electron meandering orbit effects are crucial in triggering collisionless reconnection (CR). Anomalous resistivity leading to CR is also generated through the excitation of ion-ion kink instability in an ion-scale current sheet. We confirmed that the MHD-PIC interlocked model, based on the domain decomposition and multi-time-step methods, can describe collisionless driven reconnection in an open system as a multi-hierarchy phenomenon with high accuracy.
Journal
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- Plasma and Fusion Research
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Plasma and Fusion Research 5 S2006-S2006, 2010
The Japan Society of Plasma Science and Nuclear Fusion Research
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Keywords
Details 詳細情報について
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- CRID
- 1390282680230673024
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- NII Article ID
- 130000668996
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- ISSN
- 18806821
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- Text Lang
- en
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- Data Source
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- JaLC
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed