New Higgs inflation in a no-scale supersymmetric SU(5) GUT

John Ellis; Hong Jian He; Zhong Zhi Xianyu

doi:10.1103/PhysRevD.91.021302

New Higgs inflation in a no-scale supersymmetric SU(5) GUT

John Ellis, Hong Jian He, Zhong Zhi Xianyu

Peking University

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33 Citations (Scopus)

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Abstract

Higgs inflation is attractive because it identifies inflaton with the electroweak Higgs boson. In this work, we construct a new class of supersymmetric Higgs inflationary models in no-scale supergravity with an SU(5) grand unified theory (GUT) group. Extending the no-scale Kähler potential and SU(5) GUT superpotential, we derive a generic potential for Higgs inflation that includes the quadratic monomial potential and a Starobinsky-type potential as special limits. This type of models can accommodate a wide range of the tensor-to-scalar ratio r=O(10-3-10-1) as well as a scalar spectral index ns∼0.96.

Original language	English
Article number	021302
Journal	Physical Review D (Particles, Fields, Gravitation and Cosmology)
Volume	91
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevD.91.021302
Publication status	Published - 21 Jan 2015

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New Higgs inflation in_ELLIS_Published21January2015_GOLD VoR (CC-BY)Final published version, 174 KBLicence: CC BY

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New Higgs inflation in a no-scale supersymmetric SU(5) GUT

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