Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2004-10-15
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
Plenary talk at Gamow Memorial International Conference, Odessa, Ukraine, August 8-14, 2004; 12 pages
Scientific paper
We present a general formalism for studying an inflationary scenario in the
two-brane system. We explain the gradient expansion method and obtain the
4-dimensional effective action. Based on this effective action, we give a basic
equations for the background homogeneous universe and the cosmological
perturbations. As an application, we propose a born-again braneworld scenario.
Kanno Sugumi
Soda Jiro
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