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Letter: Palatini Formulation of Modified Gravity with Squared Scalar Curvature

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Abstract

In this paper we show that in the Palatini formulation of modified gravity, a R 2 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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Authors and Affiliations

  1. Department of Physics, Nankai University, Tianjin, 300071, P. R. China

    Xinhe Meng & Peng Wang

  2. Institute of Theoretical Physics, CAS, Beijing, 100080, P. R. China

    Xinhe Meng

Authors
  1. Xinhe Meng
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  2. Peng Wang
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Meng, X., Wang, P. Letter: Palatini Formulation of Modified Gravity with Squared Scalar Curvature. General Relativity and Gravitation 36, 2673–2680 (2004). https://doi.org/10.1023/B:GERG.0000048981.40061.63

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