Features and new physical scales in primordial observables: theory and observation
All cosmological observations to date are consistent with adiabatic, Gaussian and nearly
scale invariant initial conditions. These findings provide strong evidence for a particular …
scale invariant initial conditions. These findings provide strong evidence for a particular …
Planck 2015 results-XX. Constraints on inflation
PAR Ade, N Aghanim, M Arnaud, F Arroja… - Astronomy & …, 2016 - aanda.org
We present the implications for cosmic inflation of the Planck measurements of the cosmic
microwave background (CMB) anisotropies in both temperature and polarization based on …
microwave background (CMB) anisotropies in both temperature and polarization based on …
Inflation: theory and observations
Cosmic inflation provides a window to the highest energy densities accessible in nature, far
beyond those achievable in any realistic terrestrial experiment. Theoretical insights into the …
beyond those achievable in any realistic terrestrial experiment. Theoretical insights into the …
Planck 2013 results. XXII. Constraints on inflation
PAR Ade, N Aghanim, C Armitage-Caplan… - Astronomy & …, 2014 - aanda.org
We analyse the implications of the Planck data for cosmic inflation. The Planck nominal
mission temperature anisotropy measurements, combined with the WMAP large-angle …
mission temperature anisotropy measurements, combined with the WMAP large-angle …
Planck 2015 results-III. LFI systematic uncertainties
PAR Ade, J Aumont, C Baccigalupi, AJ Banday… - Astronomy & …, 2016 - aanda.org
We present the current accounting of systematic effect uncertainties for the Low Frequency
Instrument (LFI) that are relevant to the 2015 release of the Planck cosmological results …
Instrument (LFI) that are relevant to the 2015 release of the Planck cosmological results …
Planck 2015 results-xiii. cosmological parameters
PAR Ade, N Aghanim, M Arnaud, M Ashdown… - Astronomy & …, 2016 - aanda.org
This paper presents cosmological results based on full-mission Planck observations of
temperature and polarization anisotropies of the cosmic microwave background (CMB) …
temperature and polarization anisotropies of the cosmic microwave background (CMB) …
Amplification of primordial perturbations from the rise or fall of the inflaton
K Inomata, E McDonough, W Hu - Journal of Cosmology and …, 2022 - iopscience.iop.org
The next generation of cosmic microwave background, gravitational wave, and large scale
structure, experiments will provide an unprecedented opportunity to probe the primordial …
structure, experiments will provide an unprecedented opportunity to probe the primordial …
Probing the inflaton: Small-scale power spectrum constraints from measurements of the cosmic microwave background energy spectrum
J Chluba, AL Erickcek, I Ben-Dayan - The Astrophysical Journal, 2012 - iopscience.iop.org
In the early universe, energy stored in small-scale density perturbations is quickly dissipated
by Silk damping, a process that inevitably generates μ-and y-type spectral distortions of the …
by Silk damping, a process that inevitably generates μ-and y-type spectral distortions of the …
Is the Harrison-Zel'dovich spectrum coming back? ACT preference for ns ∼ 1 and its discordance with Planck
W Giarè, F Renzi, O Mena… - Monthly Notices of …, 2023 - academic.oup.com
ABSTRACT The Data Release 4 of the Atacama Cosmology Telescope (ACT) shows an
agreement with an Harrison-Zel'dovich primordial spectrum (ns= 1.009±0.015), introducing …
agreement with an Harrison-Zel'dovich primordial spectrum (ns= 1.009±0.015), introducing …
New inflationary probes of axion dark matter
A bstract If a light axion is present during inflation and becomes part of dark matter
afterwards, its quantum fluctuations contribute to dark matter isocurvature. In this article, we …
afterwards, its quantum fluctuations contribute to dark matter isocurvature. In this article, we …