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BICEP/Keck and cosmological attractors

2021; Institute of Physics; Volume: 2021; Issue: 12 Linguagem: Inglês

10.1088/1475-7516/2021/12/008

ISSN

1475-7516

Autores

Рената Каллош, Andrei Linde,

Tópico(s)

Galaxies: Formation, Evolution, Phenomena

Resumo

Abstract We discuss implications of the latest BICEP/Keck data release for inflationary models, with special emphasis on the cosmological attractors which can describe all presently available inflation-related observational data. These models are compatible with any value of the tensor to scalar ratio r , all the way down to r = 0. Some of the string theory motivated models of this class predict 10 -3 ≤ r ≤ 10 -2 . The upper part of this range can be explored by the ongoing BICEP/Keck observations.

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