| Project/Area Number |
18540236
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Astronomy
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| Research Institution | Kumamoto University |
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Principal Investigator |
KOIDE Shinji Kumamoto University, 大学院・自然科学研究科, 教授 (20234677)
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| Project Period (FY) |
2006 – 2008
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| Project Status |
Completed (Fiscal Year 2008)
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| Budget Amount *help |
¥2,730,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥330,000)
Fiscal Year 2008: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2007: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2006: ¥1,300,000 (Direct Cost: ¥1,300,000)
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| Keywords | 理論天文学 / ブラックホール / プラズマ / ジェット / 磁場 / 相対論的ジェット / ブラックホール磁気圏 / エルゴ領域 / 磁気リコネクション / カーブラックホール / エネルギーの引き抜き / 一般相対論的電磁流体力学 / GRMHD / 活動銀河核 / マイクロクェーサー / 磁気的橋 / マイクロクエーサー / ガンマー線バースト |
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| Research Abstract |
Recently, a model of magnetically-driven jet has become promising as a formation mechanism of cosmic relativistic jets. To investigate the influence of magnetic reconnection in the formation, we have to perform a numerical simulation of general relativistic magnetohydrodynamics with finite resistivity (resistive GRMHD). When we use the standard relativistic Ohm's law, we can not avoid the break-down of causality. To fix this problem, we derived a set of generalized GRMHD equations and revealed its nature. These results provide a base of the resistive GRMHD simulations.
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