Kourosh Nozari and Behnaz Fazlpour JCAP11(2007)006 doi:10.1088/1475-7516/2007/11/006
Kourosh Nozari and Behnaz Fazlpour
Show affiliationsWe construct an inflation model with the inflaton non-minimally coupled to gravity on a warped Dvali–Gabadadze–Porrati brane. Using an exponential potential, we calculate the scalar power spectrum, spectral index and the running of the spectral index. We show that for a suitable range of non-minimal coupling it is possible to exit the inflationary phase spontaneously and without any mechanism, even in the case where minimal inflation cannot exit spontaneously. By means of a detailed analysis of parameter space, we study the constraints imposed on the non-minimal coupling from recent observational data.
cosmology with extra dimensions
95.30.Sf Relativity and gravitation
04.50.-h Higher-dimensional gravity and other theories of gravity
Issue 11 (November 2007)
Received 14 August 2007, accepted for publication 16 October 2007
Published 7 November 2007
Kourosh Nozari and Behnaz Fazlpour JCAP11(2007)006
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