Constraints on global symmetry breaking in quantum gravity from cosmic birefringence measurements

Planck 2018 results. VI. Cosmological parameters

(2020)   ASTRONOMY & ASTROPHYSICS

Planck 2018 results. V. CMB power spectra and likelihoods

(2020) et al.   ASTRONOMY & ASTROPHYSICS

New Extraction of the Cosmic Birefringence from the Planck 2018 Polarization Data

(2020) Yuto Minami et al.   PHYSICAL REVIEW LETTERS

The Swampland: Introduction and Review

(2019) Eran Palti   FORTSCHRITTE DER PHYSIK-PROGRESS OF PHYSICS

Constraints on Symmetries from Holography

(2019) Daniel Harlow et al.   PHYSICAL REVIEW LETTERS

Symmetry and emergence

(2018) Edward Witten   Nature Physics

Axion cosmology

(2016) David J.E. Marsh   PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS

Symmetries and strings in field theory and gravity

(2011) Tom Banks et al.   PHYSICAL REVIEW D

String axiverse

(2010) Asimina Arvanitaki et al.   PHYSICAL REVIEW D