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Non-Gaussianities from the Standard Model Higgs · Around

2012

Non-Gaussianities from the Standard Model Higgs

De Simone, Andrea, Perrier, Hideki, Riotto, Antonio

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We have recently proposed that the Standard Model Higgs might be responsible for generating the cosmological perturbations of the universe by acting as an isocurvature mode during a de Sitter inflationary stage.

In this paper we study the level of non-Gaussianity in the cosmological perturbations which are inevitably generated due to the non-linearities of the Standard Model Higgs potential.
In particular, for the current central value of the top mass, we find that a future detection of non-Gaussianity would exclude the detection of tensor modes by the PLANCK satellite.

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