Epstein Secrets

044001, arXiv:1003.1735. [11] L.M. Krauss and F. Wilczek, Phys.Rev. D89 (2014) 047501, arXiv:1309.5343 [h

mo- tivated source of such primordial waves (e.g. [4-7], it is important to demonstrate that other possible sources cannot account for the current BICEP2 data before def- initely claiming Inflation has been proved. A surprisingly large value of r, the ratio of power in tensor modes to scalar density

S. R. Coleman and E. J. Weinberg, Phys.Rev. D7, 1888 (1973). 50] D. I. Kaiser. Phys.Rev. D81, 084044 (2010), arXiv:1003.1159. 51] L. M. Krauss and F Wilczek, Phys.Rev. D89. 047501 (2014), arXiv:1309.5343. 52] B. M. Kastening. Phys.Lett. B283. 287 (1992). 53] M. Bando. T. Kugo, N. Maekawa. and H. Nakano

lar- ization of the cosmic microwave background radiation by the BICEP2 collaboration. In order for the primordial B-mode signal to be observable by BICEP2, the energy scale of inflation must be high. lint x 2 x 1016 GeV. Higgs Inflation generally predicts a small amplitude of tensor perturbations. and

044001, arXiv:1003.1735. [111 L.M. Krauss and F. Wilczek, Phys.Rev. D89 (2014) 047501, arXiv:1309.5343 (h

mo- tivated source of such primordial waves (e.g. [4-7], it is important to demonstrate that other possible sources cannot account for the current BICEP2 data before def- initely claiming Inflation has been proved. A surprisingly large value of r, the ratio of power in tensor modes to scalar density