Letter: Palatini Formulation of Modified Gravity with Squared Scalar Curvature |
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| Authors: | Xinhe Meng Peng Wang |
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| Affiliation: | (1) Department of Physics, Nankai University, Tianjin, 300071, P. R. China;(2) Institute of Theoretical Physics, CAS, Beijing, 100080, P. R. China |
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| Abstract: | ![]()
In this paper we show that in the Palatini formulation of modified gravity, a R2 term cannot lead to an early time inflation, in opposite to the well-known conclusion when considering this model in the metric formulation. |
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| Keywords: | Modified gravity cosmology dark energy |
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