Epstein Secrets

s BICEP Prove Inflation? James 13. Dent Department of Physics, University of Louisiana at Lafayette, Lafayette, LA 70504, USA, Lawrence M. Krauss Department of Physics and School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287, USA, and Mount Stromlo Observatory, Research School of Astronomy and Astrophysics, Australian National

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

Is Higgs Inflation Dead? Jessica L. Cook,' Lawrence M. Krauss,1•2• 4 Andrew J. Long,l•I and Subir Sabhanval I 'Department of Physics and School of Earth and Space Exploration Arizona State University. Tempe. AZ 85827-1404 2Research School of Astronomy and Astrophysics, Mt. Stromlo Observatory. Australian National Univer

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

es BICEP Prove Inflation? James B. Dent Department of Physics, University of Louisiana at Lafayette, Lafayette, LA 70504, USA, Lawrence M. Krauss Department of Physics and School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287, USA, and Mount Stromlo Observatory, Research School of Astronomy and Astrophysics, Australian National

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