PIRSA:25050044 Scientific Series Cosmology

DOI10.48660/25050044

Series: Cosmology and Gravitation

Smith, A. (2025). Axion-dilaton interactions in the dark sector. Perimeter Institute. https://pirsa.org/25050044

Smith, Adam. Axion-dilaton interactions in the dark sector. Perimeter Institute, May. 27, 2025, https://pirsa.org/25050044 

@misc{ pirsa_PIRSA:25050044,
  doi = {10.48660/25050044},
  url = {https://pirsa.org/25050044},
  author = {Smith, Adam},
  keywords = {Cosmology},
  language = {en},
  title = {Axion-dilaton interactions in the dark sector},
  publisher = {Perimeter Institute},
  year = {2025},
  month = {may},
  note = {PIRSA:25050044 see, \url{https://pirsa.org}}
}

Abstract

Axion-dilaton models provide a well-motivated, minimal class of models for which kinetic interactions between multiple scalar fields and their predictions can be explored, in particular in late time cosmology. I will review this class of models and present the formalism we developed for studying kinetic interactions between rapidly oscillating axion fields and their dilaton partners on cosmological scales.

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