Large Field Inflation Models from Higher-Dimensional Gauge Theories

Kazuyuki Furuuchi; Yoji Koyama

Large Field Inflation Models from Higher-Dimensional Gauge Theories

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arxiv 1407.1951 v3 pith:FF4J7TXX submitted 2014-07-08 hep-th astro-ph.COhep-ph

Kazuyuki Furuuchi , Yoji Koyama This is my paper · ORCID

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keywords gaugemodelsfieldhigher-dimensionalinflationlargemodeltheories

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Motivated by the recent detection of B-mode polarization of CMB by BICEP2 which is possibly of primordial origin, we study large field inflation models which can be obtained from higher-dimensional gauge theories. The constraints from CMB observations on the gauge theory parameters are given, and their naturalness are discussed. Among the models analyzed, Dante's Inferno model turns out to be the most preferred model in this framework.

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Analysis of inflationary models in higher-dimensional uniform inflation
hep-ph 2025-01 conditional novelty 5.0 of 10

In (D+4)-dimensional uniform inflation the spectral index and tensor-to-scalar ratio are ns=1-(D+6)ε+2η and r=8(D+2)ε, which excludes D≥2 for the five models studied while allowing D=1 in the b0k >> 1 branch.

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