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Tuesday, 29 September 2009, 14:00 in P8445A
Dr. Yifu Cai (IHEP, China)
An alternative to inflation: matter bounce cosmology
In this talk, I will introduce the basic idea of matter bounce and its specific realization by applying a Lee-Wick scalar in the early universe. As an alternative to inflation, matter bounce can give a scale-invariant spectrum required by CMB observations as inflation did. Moreover, it predicts large and negative non-gaussianities which are expected to be detected or ruled out by near future observations.
Seminars in 2009:
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Modified by Andrei Frolov <frolov@sfu.ca> on 2023-11-01