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Astrophysics > Cosmology and Nongalactic Astrophysics

arXiv:1602.00411 (astro-ph)
[Submitted on 1 Feb 2016 (v1), last revised 21 Jul 2016 (this version, v2)]

Title:Low Scale Higgs Inflation with Gauss-Bonnet Coupling

Authors:Jose Mathew (IISER-TVM), S. Shankaranarayanan (IISER-TVM)
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Abstract:Recent LHC data provides precise values of coupling constants of the Higgs field, however, these measurements do not determine its coupling with gravity. We explore this freedom to see whether Higgs field non-minimally coupled to Gauss-Bonnet term in 4-dimensions can lead to inflation generating the observed density fluctuations. We obtain analytical solution for this model and that the exit of inflation (with a finite number of e-folding) demands that the energy scale of inflation is close to Electro-weak scale. We compare the scalar and tensor power spectrum of our model with PLANCK data and discuss its implications.
Comments: Version to appear in Astro particle Physics
Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Theory (hep-th)
Cite as: arXiv:1602.00411 [astro-ph.CO]
  (or arXiv:1602.00411v2 [astro-ph.CO] for this version)
  https://doi.org/10.48550/arXiv.1602.00411
Related DOI: https://doi.org/10.1016/j.astropartphys.2016.07.004

Submission history

From: Jose Mathew [view email]
[v1] Mon, 1 Feb 2016 07:09:46 UTC (109 KB)
[v2] Thu, 21 Jul 2016 08:51:41 UTC (513 KB)
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