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Observational Hints of a Pre--Inflationary Scale?

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arxiv 1506.08093 v1 pith:HNHZZSQI submitted 2015-06-26 astro-ph.CO gr-qchep-phhep-th

A. Gruppuso , A. Sagnotti This is my paper · ORCID
classification astro-ph.COgr-qchep-phhep-th
keywords hintsobservationalscaleangularanisotropiesarguebackgroundcosmic
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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.

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Cited by 1 Pith paper

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  1. Primordial Sharp Features through the Nonlinear Regime of Structure Formation

    astro-ph.CO 2025-02 conditional novelty 6.0 of 10

    Sharp primordial features survive nonlinear structure formation as localised bumps or dips in the matter power spectrum, while their oscillatory patterns are erased, leaving an oscillatory imprint in the halo mass function.

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