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Gravitational waves from primordial fluctuations

Mar. 10 - 14:30 - 2022

Speaker: Guillem Domènech (INFN, Padua)

Title: Gravitational waves from primordial fluctuations


The evolution of primordial fluctuations in the early universe is accompanied by a production of gravitational waves. The so-called induced gravitational waves are the cosmic messenger of primordial fluctuations on the smallest scales, which may have been generated during cosmic inflation. In this talk, I will discuss how they may be used to explore the early universe’s initial conditions and expansion history. This includes gravitational waves induced by oscillatory features in the primordial spectrum, early isocurvature fluctuations and a primordial black hole dominated universe.

Room: Sala de Reuniões e Seminários (2-8.3) (2nd Floor of Physics Building)

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