Gravitational waves generated by second order effects during inflation

Bob Osano; Chris Clarkson; Cyril Pitrou; Jean-Philippe Uzan; Peter Dunsby

arxiv: gr-qc/0612108 · v2 · pith:5HKHAIBCnew · submitted 2006-12-18 · 🌀 gr-qc · astro-ph· hep-th

Gravitational waves generated by second order effects during inflation

Bob Osano , Cyril Pitrou , Peter Dunsby , Jean-Philippe Uzan , Chris Clarkson This is my paper

classification 🌀 gr-qc astro-phhep-th

keywords gravitationalinflationduringwavesanalysisapplicationapproachbardeen

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The generation of gravitational waves during inflation due to the non-linear coupling of scalar and tensor modes is discussed. Two methods describing gravitational wave perturbations are used and compared: a covariant and local approach, as well as a metric-based analysis based on the Bardeen formalism. An application to slow-roll inflation is also described.

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