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Nonminimal GUT inflation after Planck results

Grigoris Panotopoulos*

  • Department of Physics, FCFM, Universidad de Chile, Blanco Encalada 2008, Santiago, Chile

  • *gpanotop@ing.uchile.cl
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Phys. Rev. D 89, 047301 – Published 25 February, 2014

DOI: https://doi.org/10.1103/PhysRevD.89.047301

Abstract

In the present work we study GUT Coleman-Weinberg inflation with a nonminimal coupling to gravity. In this kind of model one usually finds that either the nonminimal coupling to gravity is large ξ≫1 or the inflaton self-coupling is unnaturally small λ∼10−13.

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Phys. Rev. D 89, 047301– Published 25 February, 2014
  • Received 2 January 2014

© 2014 American Physical Society

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