347 citations · 887 across the 11 of their papers we have counts for
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gr-qc2005
Numerical Solutions of Inflating Higher Dimensional Global Defects
Satsuki Shimono, Takeshi Chiba
We find numerical solutions of Einstein equations and scalar field equation for a global defect in higher dimensional spacetimes (). We examine in detail the relation among…
gr-qc2005
Generalized Gravity and a Ghost
Takeshi Chiba
We show that generalized gravity theories involving the curvature invariants of the Ricci tensor and the Riemann tensor as well as the Ricci scalar are equivalent to multi- scalar-…
astro-ph2005
Classifying the Future of Universes with Dark Energy
Takeshi Chiba, Ryuichi Takahashi, Naoshi Sugiyama
We classify the future of the universe for general cosmological models including matter and dark energy. If the equation of state of dark energy is less then -1, the age of the uni…