Leverage on small-scale primordial non-Gaussianity through cross-correlations between CMB E-mode and μ-distortion anisotropies

Leverage on small-scale primordial non-Gaussianity through cross-correlations between CMB E-mode and μ-distortion anisotropies

Multifield inflation models and non-Bunch-Davies vacuum initial conditions both predict sizeable non-Gaussian primordial perturbations and anisotropic μ-type spectral distortions of the cosmic microwave background (CMB) blackbody. While CMB anisotropies allow us to probe non-Gaussianity at wavenumbe...

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Bibliographic Details
Main Authors: Chluba, J. (Author), Ravenni, A. (Author), Remazeilles, M. (Author)
Format: Article
Language:English
Published: Oxford University Press 2022
Subjects:
(cosmology:) cosmic background radiation
(cosmology:) early universe
(cosmology:) early Universe
(cosmology:) inflation
Anisotropy
Cosmic background radiation
Cosmic microwaves background
Cosmology
Cosmology: early Universe
Cross-correlations
methods: analytical
Methods:analytical
polarization
Polarization
Primordial Non-Gaussianity
Wave numbers
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