How do we obtain large non-gaussianities in the cosmic microwave background?

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• David Seery (DAMTP, University of Cambridge)
• Friday 01 February 2008, 13:00-14:00
• Pavilion B Potter Room (B1.19).

If you have a question about this talk, please contact David Seery.

A recent analysis of the WMAP3 data has suggested that the temperature anisotropies imprinted at the last scattering surface could be as large as 1 part in 1000, almost 100 times larger than the predicted signal from single-field, slow-roll inflation. I will survey some models which lead to larger non-gaussianities and outline those areas where our knowledge remains incomplete.

This talk is part of the DAMTP Friday GR Seminar series.

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