Inflation in a scale-invariant universe

A scale-invariant universe can have a period of accelerated expansion at early times: inflation. We use a frame-invariant approach to calculate inflationary observables in a scale-invariant theory of gravity involving two scalar fields: the spectral indices, the tensor-to-scalar ratio, the level of...

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Dades bibliogràfiques
Autors principals: Ferreira, P, Hill, C, Noller, J, Ross, G
Format: Journal article
Publicat: American Physical Society 2018