Global structure of exact cosmological solutions in the brane world
Shinji Mukohyama, Tetsuya Shiromizu, Kei-ichi Maeda
Abstract
We find the explicit coordinate transformation which links two exact cosmological solutions of the brane world which have been recently discovered. This means that both solutions are exactly the same with each other. One of two solutions is described by the motion of a domain wall in the well-known 5-dimensional Schwarzshild-AdS spacetime. Hence, we can easily understand the region covered by the coordinate used by another solution.
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