Inflation with non-minimal coupling: Metric vs. Palatini formulations

Physics Letters B, no. 4 (2008): 222-226

Cited: 55|Views21

Abstract

We analyze non-minimally coupled scalar field theories in metric (second-order) and Palatini (first-order) formalisms in a comparative fashion. After contrasting them in a general setup, we specialize to inflation and find that the two formalisms differ in their predictions for various cosmological parameters. The main reason is that depe...More

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