Estimating relic magnetic fields from CMB temperature correlations
Massimo Giovannini
TL;DR
This paper investigates how primordial magnetic fields could influence CMB temperature and polarization patterns, aiming to estimate their parameters from observational data.
Contribution
It introduces a method to estimate relic magnetic field parameters using CMB temperature and polarization correlations.
Findings
Constraints on primordial magnetic field strength.
Implications for early universe magnetism.
Potential signatures in CMB data.
Abstract
The temperature and polarization inhomogeneities of the Cosmic Microwave Background might bear the mark of pre-decoupling magnetism. The parameters of a putative magnetized background are hereby estimated from the observed temperature autocorrelation as well as from the measured temperature-polarization cross-correlation.
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