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Gravitational waves from inflation

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If you have a question about this talk, please contact Sunny Vagnozzi.

Primordial gravitational waves have the potential to shed new light on the very early universe. In this talk I discuss the prospects for constraining a compelling class of early universe scenarios known as axion-gauge field inflation. The primordial gravitational waves spectrum originating from these set-ups has strikingly different features with respect to those from the minimal inflationary scenario. I then introduce tensor fossils: these are intriguing gravitational waves imprints on the large scale structure and are potentially detectable by upcoming surveys. I will also highlight their implications for testing inflation at interferometer scales.

This talk is part of the Cosmology Lunch series.

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