Higgs-Inflaton Potential in Higher-Dimensional SUSY Gauge Theories
Abstract
We study the possibility that the Higgs and the inflaton are the same single field or cousins arising from the extra space components of some higher-dimensional gauge field. We take 5D supersymmetric gauge theory with a matter compactified on S1 as a toy model and evaluate the one-loop contribution to the Higgs-inflaton potential. Our gauge-Higgs-inflaton unification picture applied to the gauge field of intermediate energy scale ( 1013 GeV) can explain the observed inflation parameters without fine-tuning.
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