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Radiative inflation and dark energy RIDEs again after BICEP2
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2014 (English)In: Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, E-ISSN 1475-7516, no 8, 040- p.Article in journal (Refereed) Published
Abstract [en]

Following the ground-breaking measurement of the tensor-to-scalar ratio r = 0.20(-0.05)(+0.07) by the BICEP2 collaboration, we perform a statistical analysis of a model that combines Radiative Inflation with Dark Energy (RIDE) based on the M-2 vertical bar Phi vertical bar(2) ln (vertical bar Phi vertical bar(2)/Lambda(2)) potential and compare its predictions to those based on the traditional chaotic inflation M-2 vertical bar Phi vertical bar(2) potential. We find a best-fit value in the RIDE model of r = 0.18 as compared to r = 0.17 in the chaotic model, with the spectral index being n(S) = 0.96 in both models.

Place, publisher, year, edition, pages
2014. no 8, 040- p.
Keyword [en]
inflation, dark energy theory, gravitational waves/experiments
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:su:diva-108392DOI: 10.1088/1475-7516/2014/08/040ISI: 000341848800040OAI: oai:DiVA.org:su-108392DiVA: diva2:757548
Note

AuthorCount:5;

Available from: 2014-10-22 Created: 2014-10-22 Last updated: 2017-12-05Bibliographically approved

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Schmidt-May, Angnis
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Department of PhysicsThe Oskar Klein Centre for Cosmo Particle Physics (OKC)
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