New #openaccess publication #SciPost #Physics
Cosmology of the companion-axion model: Dark matter, gravitational waves, and primordial black holes
Zhe Chen, Archil Kobakhidze, Ciaran O'Hare, Zachary S. C. Picker, Giovanni Pierobon
SciPost Phys. 18, 175 (2025)
https://scipost.org/SciPostPhys.18.6.175