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Thermal axion constraints in non-standard thermal histories
Daniel Grin, Tristan Smith, Marc Kamionkowski
There is no direct evidence for radiation domination prior to big-bang nucleosynthesis, and so it is useful to consider how constraints to thermally-produced axions change in non-s…
CMBPol Mission Concept Study: Probing Inflation with CMB Polarization
Daniel Baumann, Mark G. Jackson, Peter Adshead +56
We summarize the utility of precise cosmic microwave background (CMB) polarization measurements as probes of the physics of inflation. We focus on the prospects for using CMB measu…
The inflationary gravitational-wave background and measurements of the scalar spectral index
Tristan L. Smith, Marc Kamionkowski, Asantha Cooray
Inflation predicts a stochastic background of gravitational waves over a broad range of frequencies, from those accessible with cosmic microwave background (CMB) measurements, to t…