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arXiv · gr-qc/9803073

Where do all the supercurvature modes go?

J. D. Cohn·D. I. Kaiser
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Abstract

In the hyperbolic slicing of de Sitter space appropriate for open universe models, a curvature scale is present and supercurvature fluctuations are possible. In some cases, the expansion of a scalar field in the Bunch-Davies vacuum includes supercurvature modes, as shown by Sasaki, Tanaka and Yamamoto. We express the normalizable vacuum supercurvature modes for a massless scalar field in terms of the basis modes for the spatially-flat slicing of de Sitter space.

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J. D. Cohn, D. I. Kaiser. 1998-07-16. Where do all the supercurvature modes go?. https://doi.org/10.1103/physrevd.58.083515

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