Padmanabhan, T.2012-03-022012-03-021985-09-10http://hdl.handle.net/11007/93We consider the effect of quantizing the homogeneous mode of a scalar field on inflation. It is shown that any semiclassical description of the scalar field is bound to lead to density inhomogeneites which are unacceptably large.enGravitationQuantum fluctuations-universeInflationaryArticle