Application of spectral methods to high-accuracy numerical relativity
Project/Area Number |
18740144
|
Research Category |
Grant-in-Aid for Young Scientists (B)
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Allocation Type | Single-year Grants |
Research Field |
Particle/Nuclear/Cosmic ray/Astro physics
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Research Institution | Rikkyo University |
Principal Investigator |
HARADA Tomohiro Rikkyo University, 理学部, 准教授 (60402773)
|
Project Period (FY) |
2006 – 2008
|
Project Status |
Completed (Fiscal Year 2008)
|
Budget Amount *help |
¥3,930,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥330,000)
Fiscal Year 2008: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2007: ¥1,000,000 (Direct Cost: ¥1,000,000)
Fiscal Year 2006: ¥1,500,000 (Direct Cost: ¥1,500,000)
|
Keywords | 相対論 / 重力(理論) / 数値相対論 / ブラックホール / 暗黒エネルギー / 重力崩壊 / 時空特異点 |
Research Abstract |
Einstein方程式を解く数値的手法(数値相対論)を軸として、相対論的重力の非線形効果が重要となるいくつかの現象の解析を行った。特に、減速膨張宇宙および加速膨張宇宙における物質場存在下での動的なブラックホール解の構築とその性質、円筒対称および球対称重力崩壊における時空特異点の形成と自己相似解の役割、球対称ダストの重力崩壊における量子重力的効果という三つの課題について研究成果を出した。
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Report
(4 results)
Research Products
(54 results)
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[Presentation] Black Hole Evaporation in a Friedmann Universe2007
Author(s)
Hiromi Saida, Tomohiro Harada and Hideki Maeda
Organizer
The 8th International Conference on Gravitation and Astrophysics, 29 Aug-1 Sep 2007
Place of Presentation
Nara Women's University, Nara, Japan(poster and short talk,査読有)
Year and Date
2007-08-29
Related Report
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[Presentation] Black Holes in Scalar Field/Quintessence Cosmology2006
Author(s)
Tomohiro Harada
Organizer
The 11th Marcel Grossmann Meeting on recent developments in theoretical and experimental general relativity, gravitation, relativistic field theories, 23-29 Jul 2006
Place of Presentation
Berlin Freie Universitaet, Berlin, Germany
Year and Date
2006-07-24
Related Report
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