| Budget Amount *help |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2017: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2016: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2015: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
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| Outline of Final Research Achievements |
Direct detection of gravitational waves is realized and it is becoming possible to verify the theory of general relativity using a strong gravity field such as black hole (BH). In this research, we focused on the Gauss-Bonnet gravity theory, which is one of the most influential modified gravity theories, and clarified a part of its dynamics. We showed in multiple models that the occurrence of space-time singularities can be avoided by higher-order curvature terms and that the tendency is prominent as the dimension becomes higher.
We also discussed how a growth model of BHs is distinguished from others in gravitational wave observation. We estimated the number of BH merger events observed by the ground-based gravitational wave interferometers. Furthermore, we proposed a new method to extract ring-down gravitational wave emitted by a BH from actual data.
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