| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2013: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Outline of Final Research Achievements |
We analyse various gravity theories which may resolve two most important subjects in modern cosmology (inflation and dark energy problem) based on the unified theory of fundamental interactions. We propose two new inflationary scenarios (Higgs inflation based on standard model of particle physics and KKLMMT inflation based on superstring theory), which are extended from the original models and satisfy the observational constraints well. As for the dark energy problem, we mainly analyse bigravity theory, in which one of gravitons is massive. We show that it may resolves the dark matter problem as well as the dark energy problem.
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