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Testing Predictions of the Quantum Landscape Multiverse 2: The Exponential Inflationary Potential
Eleonora Di Valentino, Laura Mersini-Houghton
The 2015 Planck data release tightened the region of the allowed inflationary models. Inflationary models with convex potentials have now been ruled out since they produce a large…
Planck intermediate results. LII. Planet flux densities
Planck Collaboration, Y. Akrami, M. Ashdown +147
Measurements of flux density are described for five planets, Mars, Jupiter, Saturn, Uranus, and Neptune, across the six Planck High Frequency Instrument frequency bands (100-857 GH…
Testing Predictions of the Quantum Landscape Multiverse 1: The Starobinsky Inflationary Potential
Eleonora Di Valentino, Laura Mersini-Houghton
The 2015 Planck data release has placed tight constraints on the allowed class of inflationary models. The current data favors concave downwards inflationary potentials while offer…
Exploring Cosmic Origins with CORE: Inflation
CORE Collaboration, Fabio Finelli, Martin Bucher +129
We forecast the scientific capabilities to improve our understanding of cosmic inflation of CORE, a proposed CMB space satellite submitted in response to the ESA fifth call for a m…
A comment on power-law inflation with a dark radiation component
Eleonora Di Valentino, Francois R. Bouchet
Tram et al. 2016 recently pointed out that power-law inflation in presence of a dark radiation component may relieve the 3.3 sigma tension which exists within standard LCDM between…
Reconciling Planck with the local value of in extended parameter space
Eleonora Di Valentino, Alessandro Melchiorri, Joseph Silk
The recent determination of the local value of the Hubble constant by Riess et al, 2016 (hereafter R16) is now 3.3 sigma higher than the value derived from the most recent CMB anis…
Planck intermediate results. XLVIII. Disentangling Galactic dust emission and cosmic infrared background anisotropies
Planck Collaboration, N. Aghanim, M. Ashdown +157
Using the Planck 2015 data release (PR2) temperature maps, we separate Galactic thermal dust emission from cosmic infrared background (CIB) anisotropies. For this purpose, we imple…
Planck intermediate results. XLIX. Parity-violation constraints from polarization data
Planck Collaboration, N. Aghanim, M. Ashdown +148
Parity violating extensions of the standard electromagnetic theory cause in vacuo rotation of the plane of polarization of propagating photons. This effect, also known as cosmic bi…
Running the running
Giovanni Cabass, Eleonora Di Valentino, Alessandro Melchiorri +2
We use the recent observations of Cosmic Microwave Background temperature and polarization anisotropies provided by the Planck satellite experiment to place constraints on the runn…
Planck intermediate results. XLIV. The structure of the Galactic magnetic field from dust polarization maps of the southern Galactic cap
Planck Collaboration, N. Aghanim, M. I. R. Alves +165
We study the statistical properties of interstellar dust polarization at high Galactic latitude, using the Stokes parameter Planck maps at 353 GHz. Our aim is to advance the unders…
Dark Radiation and Inflationary Freedom after Planck 2015
Eleonora Di Valentino, Stefano Gariazzo, Martina Gerbino +2
The simplest inflationary models predict a primordial power spectrum (PPS) of the curvature fluctuations that can be described by a power-law function that is nearly scale-invarian…