Ekpyrotic Nongaussianity: A Review
Ekpyrotic models and their cyclic extensions solve the standard cosmological flatness, horizon, and homogeneity puzzles by postulating a slowly contracting phase of the universe prior to the big bang. This ekpyrotic phase also manages to produce a nearly scale-invariant spectrum of scalar density fl...
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Format: | Article |
Language: | English |
Published: |
Hindawi Limited
2010-01-01
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Series: | Advances in Astronomy |
Online Access: | http://dx.doi.org/10.1155/2010/903907 |