Journal
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Volume -, Issue 8, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1475-7516/2014/08/040
Keywords
inflation; dark energy theory; gravitational waves/experiments
Funding
- NExT/SEPnet Institute
- STFC [ST/G000557/1, ST/J000396/1]
- Deutsche Forschungsgemeinschaft (DFG) within the Research Unit FOR 1873 (Quark Flavour Physics and Effective Field Theories)
- Marie Curie Intra-European Fellowship within the 7th European Community Framework Programme FP7-PEOPLE-2011-IEF [PIEFGA-2011-297557]
- European Union FP7 ITN-INVISIBLES (Marie Curie Actions) [PITN-GA-2011-289442]
- STFC [ST/G000557/1, ST/J000396/1, ST/L000296/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/G000557/1, ST/L000296/1, ST/J000396/1] Funding Source: researchfish
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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.
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