Holographic Cosmology 3.0

Details Holographic Cosmology 3.0 Holographic Cosmology 3.0

Aug 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005stc..conf...56b&link_type=abstract

STRING THEORY AND COSMOLOGY. Proceedings of Nobel Symposium 127. Held 14-19 August 2003 in Sigtuna, Sweden. Edited by U Danielss

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We present a new version of holographic cosmology, which is compatible with present observations. A primordial ρ = ρ phase of the universe is followed by a brief matter dominated era and a brief period of inflation, whose termination heats the universe. The flatness and horizon problems are solved by the ρ = ρ dynamics. The model is characterized by two parameters, which should be calculated in a more fundamental approach to the theory. For a large range in the phenomenologically allowed parameter space, the observed fluctuations in the cosmic microwave background were generated during the ρ = ρ era, and are exactly scale invariant. The scale invariant spectrum cuts off sharply at both upper and lower ends, and this may have observational consequences. We argue that the amplitude of fluctuations is small but cannot yet calculate it precisely.

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