Scalar-tensor linear inflation
Journal Article
·
· Journal of Cosmology and Astroparticle Physics
- Institute of Physics, Jagiellonian University, Łojasiewicza 11, 30-348 Kraków (Poland)
- National Institute of Chemical Physics and Biophysics, Rävala 10, 10143 Tallinn (Estonia)
We investigate two approaches to non-minimally coupled gravity theories which present linear inflation as attractor solution: a) the scalar-tensor theory approach, where we look for a scalar-tensor theory that would restore results of linear inflation in the strong coupling limit for a non-minimal coupling to gravity of the form of f (φ) R /2; b) the particle physics approach, where we motivate the form of the Jordan frame potential by loop corrections to the inflaton field. In both cases the Jordan frame potentials are modifications of the induced gravity inflationary scenario, but instead of the Starobinsky attractor they lead to linear inflation in the strong coupling limit.
- OSTI ID:
- 22679936
- Journal Information:
- Journal of Cosmology and Astroparticle Physics, Journal Name: Journal of Cosmology and Astroparticle Physics Journal Issue: 04 Vol. 2017; ISSN 1475-7516
- Country of Publication:
- United States
- Language:
- English
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