Abstract
We study the evolution of inhomogeneous classical scalar field configurations which are not in thermal equilibrium in a radiation dominated pre-inflationary phase in the early universe. We take into account gravitational perturbations about the Friedmann- Robertson-Walker metric. Making use of gauge invariant variable, we show that provided the initial gravitational perturbations are not too large, they do not prevent the dynamical relaxation of the scalar field configuration to an almost homogeneous configuration which leads to inflation.
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