Gravitational waves generated by second order effects during inflation
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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