Constraining non-minimally coupled ?-exponential inflation with CMB data

Abstract The ? -exponential inflation is driven by a class of primordial potentials, derived in the framework braneworld scenarios, that generalizes well-known power law inflation. In this paper we update previous constraints on minimal coupled model [1] and extend results also deriving equations for non-minimal scenario. predictions both models are tested light latest temperature polarization maps Cosmic Microwave Background clustering data. We compare these with standard ?CDM cosmology using Deviance Information Criterion (DIC), find observational data show moderate preference non-minimally inflationary model.