LiteBIRD science goals and forecasts: primordial magnetic fields

D Paoletti, JA Rubino-Martin, M Shiraishi… - … of Cosmology and …, 2024 - iopscience.iop.org
We present detailed forecasts for the constraints on the characteristics of primordial
magnetic fields (PMFs) generated prior to recombination that will be obtained with the …

Constraining primordial magnetic fields with line-intensity mapping

T Adi, S Libanore, HAG Cruz… - Journal of Cosmology …, 2023 - iopscience.iop.org
Primordial magnetic fields (PMFs) offer a compelling explanation for the origin of observed
magnetic fields, especially on extragalactic scales. Such PMFs give rise to excess of power …

Inflationary magnetogenesis with reheating phase from higher curvature coupling

K Bamba, E Elizalde, SD Odintsov… - Journal of Cosmology …, 2021 - iopscience.iop.org
We investigate the generation of magnetic fields from inflation, which occurs via breakdown
of the conformal invariance of the electromagnetic (EM) field, when coupled with the Ricci …

Effective theory of inflationary magnetogenesis and constraints on reheating

D Maity, S Pal, T Paul - Journal of Cosmology and Astroparticle …, 2021 - iopscience.iop.org
Effective theory framework based on symmetry has recently gained widespread interest in
the field of cosmology. In this paper, we apply the same idea on the genesis of the primordial …

Magnetogenesis from axion-SU (2) inflation

A Brandenburg, O Iarygina… - Journal of Cosmology …, 2024 - iopscience.iop.org
We describe a novel proposal for inflationary magnetogenesis by identifying the non-
Abelian sector of Spectator Chromo Natural Inflation (SCNI) with the SU (2) L sector of the …

The electric charge of black holes within galaxies

ND Padilla, IJ Araya, F Stasyszyn - Journal of Cosmology and …, 2024 - iopscience.iop.org
We present improved estimates of the electric charge that black holes could hold when
these are embedded in the ionised plasma within galaxies. We have implemented the …

Magnetic field back reaction on the matter power spectrum

KE Kunze - Journal of Cosmology and Astroparticle Physics, 2022 - iopscience.iop.org
At lowest order comoving magnetic fields which are frozen-into the expanding cosmic fluid
do not evolve in time. At next-to-leading order the induction equation is sourced by the …

Cross correlations of the CMB Doppler mode and the 21 cm brightness temperature in the presence of a primordial magnetic field

KE Kunze - Journal of Cosmology and Astroparticle Physics, 2023 - iopscience.iop.org
The cross correlation between the CMB Doppler mode and the 21 cm line brightness
temperature is calculated in the presence of a stochastic primordial magnetic field. Potential …

CMB anisotropies and linear matter power spectrum in models with non-thermal neutrinos and primordial magnetic fields

KE Kunze - Journal of Cosmology and Astroparticle Physics, 2021 - iopscience.iop.org
Angular power spectra of temperature anisotropies and polarization of the cosmic
microwave background (CMB) as well as the linear matter power spectra are calculated for …

Inflationary magnetogenesis: solving the strong coupling and its non-Gaussian signatures

D Nandi - Journal of Cosmology and Astroparticle Physics, 2021 - iopscience.iop.org
The simplest model of primordial magnetogenesis can provide scale-invariant magnetic
fields that can explain the present abundances of it in the cosmic scales. Two kinds of …