| Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2011: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2010: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2009: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Research Abstract |
From observations of distant type Ia supernovae, the universe is considered to contain an unknown component called 'dark energy', which accelerates cosmic expansion. In order to find out physical substance of dark energy, the evolution of cosmic inhomogeneities is considered from aspects of nonlinear and non-equilibrium physics. Some entropy formulae are proposed, which result from cosmic inhomogeneities, and their properties are studied. In particular, the relation between the temporal increase of the entropy and the accelerated cosmic expansion is clarified.
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