Primordial non-Gaussianity from inflation

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• Chris Byrnes (Heidelberg)
• Friday 26 October 2007, 13:00-14:00
• Pavilion B Meeting Room 9.

If you have a question about this talk, please contact Daniel Wesley.

Constraining or detecting any non-Gaussianity in the CMB is a key method for discriminating between the many models of inflation. After briefly introducing the separate universe approach to calculating the curvature perturbation on large scales I present a diagrammatic approach to calculating the primordial n-point function of the curvature perturbation. Applications of this formalism to calculating the trispectrum (4-point function) in specific models of inflation are presented.

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

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