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Scalar-tensor linear inflation
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DOI：10.1088/1475-7516/2017/04/007.png)
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摘要
En 中文
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 (psi) 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.
Keyword:
inflation
modified gravity
physics of the early universe
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5.9
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1.3W
被引数:
4.7W
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