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Physics 2006
Scalar Metric fluctuations in space time matter inflationDOI: 10.1016/j.physletb.2006.08.003 Abstract: Using the Ponce de Leon background metric, which describes a 5D universe in an apparent vacuum: $\bar{G}_{AB}=0$, we study the effective 4D evolution of both, the inflaton and gauge-invariant scalar metric fluctuations, in the recently introduced model of space time matter inflation.
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