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Polarization Predictions for Inflationary CMB Power Spectrum Features
V Miranda, Wayne Hu, Cora Dvorkin
We conduct a model-independent analysis of temporal features during inflation in the large-scale CMB temperature power spectrum allowing for the possibility of non-negligible tenso…
Self-accelerating Massive Gravity: Covariant Perturbation Theory
Pavel Motloch, Wayne Hu
We undertake a complete and covariant treatment for the quadratic Lagrangian of all of the degrees of freedom of massive gravity with a fixed flat fiducial metric for arbitrary mas…
Stability of cosmological solutions in extended quasidilaton massive gravity
Hayato Motohashi, Wayne Hu
We consider the stability of self-accelerating solutions to extended quasidilaton massive gravity in the presence of matter. By making a second or extended fiducial metric dynamica…
Super-Sample Signal
Yin Li, Wayne Hu, Masahiro Takada
When extracting cosmological information from power spectrum measurements, we must consider the impact of super-sample density fluctuations whose wavelengths are larger than the su…
Generalized Slow Roll for Tensors
Wayne Hu
The recent BICEP2 detection of degree scale CMB B-mode polarization, coupled with a deficit of observed power in large angle temperature anisotropy, suggest that the slow-roll para…
Neutrinos help reconcile Planck measurements with both Early and Local Universe
Cora Dvorkin, Mark Wyman, Douglas H. Rudd +1
In light of the recent BICEP2 B-mode polarization detection, which implies a large inflationary tensor-to-scalar ratio r_{0.05}=0.2^{+0.07}_{-0.05}, we re-examine the evidence for…