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Radiative inflation and dark energy
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2011 (English)In: Physical Review D, ISSN 1550-7998, E-ISSN 1550-2368, Vol. 84, no 8, 083524- p.Article in journal (Refereed) Published
Abstract [en]

We propose a model based on radiative symmetry breaking that combines inflation with dark energy and is consistent with the Wilkinson Microwave Anisotropy Probe 7-year regions. The radiative inflationary potential leads to the prediction of a spectral index 0.955 less than or similar to n(S) less than or similar to 0.967 and a tensor to scalar ratio 0.142 less than or similar to r less than or similar to 0.186, both consistent with current data but testable by the Planck experiment. The radiative symmetry breaking close to the Planck scale gives rise to a pseudo Nambu-Goldstone boson with a gravitationally suppressed mass which can naturally play the role of a quintessence field responsible for dark energy. Finally, we present a possible extra dimensional scenario in which our model could be realized.

Place, publisher, year, edition, pages
2011. Vol. 84, no 8, 083524- p.
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:su:diva-70886DOI: 10.1103/PhysRevD.84.083524ISI: 000296888900001OAI: oai:DiVA.org:su-70886DiVA: diva2:483395
Note
authorCount :5Available from: 2012-01-25 Created: 2012-01-24 Last updated: 2017-12-08Bibliographically approved

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Schmidt-May, Angnis
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The Oskar Klein Centre for Cosmo Particle Physics (OKC)
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