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The inflationary paradigm is extremely successful regarding predictions oftemperature anisotropies in the CMB. However, inflation also makes predictionsfor a CMB B-mode polarization, which has not been detected. Moreover, thestandard inflationary paradigm is unable to accommodate the evolution from theinitial state, which is assumed to be symmetric, into a non-symmetricaftermath. In Phys. Rev. D 96, 101301(R), we show that the incorporation of anelement capable of explaining such a transition drastically changes theprediction for the shape and size of the B-mode spectrum. In particular,employing a realistic objective collapse model in a well-defined semiclassicalcontext, we find that, while predictions of temperature anisotropies are noraltered (with respect to standard predictions), the B-mode spectrum getsstrongly suppressed--in accordance with observations. Here we present anin-depth discussion of that analysis, together with the details of thecalculation.

Expectation of primordial gravity waves generated during inflation