Axions as Dark Matter, Dark Energy, and Dark Radiation

@misc{visinelli2025axionsdarkmatter,
      title={Axions as Dark Matter, Dark Energy, and Dark Radiation},
      author={Luca Visinelli},
      year={2025},
      eprint={2509.17059},
      archivePrefix={arXiv},
      primaryClass={hep-ph},
      url={https://arxiv.org/abs/2509.17059},
}