New physics from the polarized light of the cosmic microwave background

E Komatsu - Nature Reviews Physics, 2022 - nature.com
The current cosmological model requires new physics beyond the standard model of
elementary particles and fields, such as dark matter and dark energy. Their nature is …

Planck 2018 results-X. Constraints on inflation

Y Akrami, F Arroja, M Ashdown, J Aumont… - Astronomy & …, 2020 - aanda.org
We report on the implications for cosmic inflation of the 2018 release of the Planck cosmic
microwave background (CMB) anisotropy measurements. The results are fully consistent …

The second data release from the European Pulsar Timing Array-IV. Implications for massive black holes, dark matter, and the early Universe

J Antoniadis, P Arumugam, S Arumugam… - Astronomy & …, 2024 - aanda.org
The European Pulsar Timing Array (EPTA) and Indian Pulsar Timing Array (InPTA)
collaborations have measured a low-frequency common signal in the combination of their …

The second data release from the European Pulsar Timing Array: V. Implications for massive black holes, dark matter and the early Universe

J Antoniadis, P Arumugam, S Arumugam… - arxiv preprint arxiv …, 2023 - arxiv.org
The European Pulsar Timing Array (EPTA) and Indian Pulsar Timing Array (InPTA)
collaborations have measured a low-frequency common signal in the combination of their …

Science with the space-based interferometer LISA. IV: Probing inflation with gravitational waves

N Bartolo, C Caprini, V Domcke… - … of Cosmology and …, 2016 - iopscience.iop.org
We investigate the potential for the LISA space-based interferometer to detect the stochastic
gravitational wave background produced from different mechanisms during inflation …

Planck 2018 results. IX. Constraints on primordial non-Gaussianity

P Collaboration, Y Akrami, F Arroja… - Astronomy & …, 2020 - cris.unibo.it
We analyse the Planck full-mission cosmic microwave background (CMB) temperature and
E-mode polarization maps to obtain constraints on primordial non-Gaussianity (NG). We …

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 …

A novel probe of supersymmetry in light of nanohertz gravitational waves

K Murai, W Yin - Journal of High Energy Physics, 2023 - Springer
A bstract A new era of exploring the early Universe may have begun with the recent strong
evidence for the stochastic gravitational wave (GW) background from the data reported by …

Planck 2015 results-XVII. Constraints on primordial non-Gaussianity

PAR Ade, N Aghanim, M Arnaud, F Arroja… - Astronomy & …, 2016 - aanda.org
The Planck full mission cosmic microwave background (CMB) temperature and E-mode
polarization maps are analysed to obtain constraints on primordial non-Gaussianity (NG) …

Strong backreaction regime in axion inflation

DG Figueroa, J Lizarraga, A Urio, J Urrestilla - Physical Review Letters, 2023 - APS
We study the nonlinear dynamics of axion inflation, capturing for the first time the
inhomogeneity and full dynamical range during strong backreaction, till the end of inflation …