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Delayed Recombination and Standard Rulers
Francesco De Bernardis, Rachel Bean, Silvia Galli +3
Measurements of Baryonic Acoustic Oscillations in galaxy surveys have been recognized as a powerful tool for constraining dark energy. However, this method relies on the knowledge…
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…
Weighing the spatial and temporal fluctuations of the dark universe
Pengjie Zhang, Rachel Bean, Michele Liguori +1
A generic prediction of the standard cosmology, based on general relativity (GR), dark matter and the cosmological constant (and more generally, smooth dark energy), is that, the t…
Cosmological constraints on general, single field inflation
Nishant Agarwal, Rachel Bean
Inflation is now an accepted paradigm in standard cosmology, with its predictions consistent with observations of the cosmic microwave background. It lacks, however, a firm physica…
Constraining Interactions in Cosmology's Dark Sector
Rachel Bean, Eanna E. Flanagan, Istvan Laszlo +1
We consider the cosmological constraints on theories in which there exists a nontrivial coupling between the dark matter sector and the sector responsible for the acceleration of t…
Delayed Recombination and Cosmic Parameters
Silvia Galli, Rachel Bean, Alessandro Melchiorri +1
Current cosmological constraints from Cosmic Microwave Background (CMB) anisotropies are typically derived assuming a standard recombination scheme, however additional resonance an…