The Atacama Cosmology Telescope: DR6 Constraints on Isotropic Time-Dependent Cosmic Birefringence from Axion-like Particles

astro-ph.CO

Submitted: 2026-10-13

Updated: 2026-10-13

Comments: 19 pages, 7 figures, to be submitted to PRD

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Sources

• The Simons Observatory: Science Goals and Forecasts for the Enhanced Large Aperture Telescope
• Exploration of the polarization angle variability of the Crab Nebula with POLARBEAR and its application to the search for axion-like particles
• The Atacama Cosmology Telescope: Semi-Analytic Covariance Matrices for the DR6 CMB Power Spectra
• CMB spectra and bispectra calculations: making the flat-sky approximation rigorous
• The Atacama Cosmology Telescope: Systematic Transient Search of Single Observation Maps
• The Atacama Cosmology Telescope: DR6 Constraints on Extended Cosmological Models
• Searching for dark-matter waves with PPTA and QUIJOTE pulsar polarimetry
• How light can ALP dark matter be?
• Characterization of the Mid-Frequency Arrays for Advanced ACTPol
• The Atacama Cosmology Telescope: A Measurement of the Cosmic Microwave Background Power Spectra at 98 and 150 GHz
• BICEP / Keck XII: Constraints on axion-like polarization oscillations in the cosmic microwave background
• Not so fuzzy: excluding FDM with sizes and stellar kinematics of ultra-faint dwarf galaxies
• The Atacama Cosmology Telescope: A Measurement of the Cosmic Microwave Background Power Spectrum at 148 and 218 GHz from the 2008 Southern Survey
• Post-inflationary axion constraints from the Lyman-$\alpha$ forest
• Advanced ACTPol Cryogenic Detector Arrays and Readout
• Constraining the photon coupling of ultra-light dark-matter axion-like particles by polarization variations of parsec-scale jets in active galaxies
• The Atacama Cosmology Telescope: Constraints on the anisotropic screening and birefringence effects with DR6
• In situ Performance of the Low Frequency Arrayfor Advanced ACTPol
• The Atacama Cosmology Telescope: DR6 Power Spectra, Likelihoods and $\Lambda$CDM Parameters
• A New Bound on Axion-Like Particles

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