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Radiative Inflation and Dark Energy
University of Southampton.
University of Southampton.
University of Southampton.
KTH, Skolan för teknikvetenskap (SCI), Teoretisk fysik, Teoretisk partikelfysik.
Vise andre og tillknytning
2011 (engelsk)Inngår i: Physical Review D, ISSN 1550-7998, E-ISSN 1550-2368, Vol. 84, nr 8Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
2011. Vol. 84, nr 8
Emneord [en]
PARTICLE-PHYSICS MODELS, NAMBU-GOLDSTONE BOSONS, SUPERSYMMETRY BREAKING, QUANTUM CORRECTIONS, SYMMETRY-BREAKING, COSMOLOGY
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Identifikatorer
URN: urn:nbn:se:kth:diva-50381DOI: 10.1103/PhysRevD.84.083524ISI: 000296888900001OAI: oai:DiVA.org:kth-50381DiVA, id: diva2:461700
Tilgjengelig fra: 2011-12-05 Laget: 2011-12-05 Sist oppdatert: 2017-12-08bibliografisk kontrollert

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