Closed Slicing
Let
where s describe a . Then the metric reads:
Changing the time variable to the conformal time via (or equivalently ) we obtain a metric conformally equivalent to Einstein static universe:
This serves to find the Penrose diagram of de Sitter space.
Read more about this topic: De Sitter Space
Famous quotes containing the word closed:
“Pray but one prayer for me twixt thy closed lips,
Think but one thought of me up in the stars.”
—William Morris (18341896)
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