Cosmic Polarisation Rotation from CMB Data: a Review for GR110
Alessandro Gruppuso, Sperello di Serego Alighieri
TL;DR
This review summarizes recent advances in constraining Cosmic Polarization Rotation using CMB polarization data, highlighting progress in understanding potential cosmic birefringence effects and their implications for fundamental physics.
Contribution
It compiles and updates the latest observational constraints on cosmic birefringence from CMB data, emphasizing recent methodological improvements and results.
Findings
Tighter constraints on cosmic birefringence angles.
No significant detection of cosmic polarization rotation.
Improved data analysis techniques for CMB polarization.
Abstract
We provide an update on the work of di Serego Alighieri (2015), focusing on recent developments regarding constraints on Cosmic Polarization Rotation (CPR), also known as Cosmic Birefringence (CB), derived from Cosmic Microwave Background (CMB) polarization data.
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Taxonomy
TopicsStellar, planetary, and galactic studies