publication . Other literature type . Article . Preprint . 2015

Observational hints of a pre-inflationary scale?

Alessandro Gruppuso; Augusto Sagnotti;
Open Access English
  • Published: 26 Jun 2015
Abstract
We argue that the lack of power exhibited by cosmic microwave background (CMB) anisotropies at large angular scales might be linked to the onset of inflation. We highlight observational features and theoretical hints that support this view, and present a preliminary estimate of the physical scale that would underlie the phenomenon.
Subjects
arXiv: Astrophysics::Cosmology and Extragalactic Astrophysics
free text keywords: Astrophysics and Astronomy, Space and Planetary Science, Mathematical Physics, Astronomy and Astrophysics, Astrophysics - Cosmology and Nongalactic Astrophysics, General Relativity and Quantum Cosmology, High Energy Physics - Phenomenology, High Energy Physics - Theory, Big Bang, Spectral density, Observational study, Physics, Inflation, media_common.quotation_subject, media_common, String theory, Astrophysics, Astronomy, Cosmic microwave background, Cosmological model, Cosmic background radiation
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