PIRSA:18120004 Scientific Series Particle Physics

DOI10.48660/18120004

Series: Particle Physics

Liu, H. (2018). Searching for Axion Dark Matter with Birefringent Cavities. Perimeter Institute. https://pirsa.org/18120004

Liu, Hongwan. Searching for Axion Dark Matter with Birefringent Cavities. Perimeter Institute, Dec. 04, 2018, https://pirsa.org/18120004 

@misc{ pirsa_PIRSA:18120004,
  doi = {10.48660/18120004},
  url = {https://pirsa.org/18120004},
  author = {Liu, Hongwan},
  keywords = {Particle Physics},
  language = {en},
  title = {Searching for Axion Dark Matter with Birefringent Cavities},
  publisher = {Perimeter Institute},
  year = {2018},
  month = {dec},
  note = {PIRSA:18120004 see, \url{https://pirsa.org}}
}

Abstract

Axion-like particles are a broad class of dark matter candidates which are expected to behave as a coherent, classical field with a weak coupling to photons. Research into the detectability of these particles with laser interferometers has recently revealed a number of promising experimental designs. Inspired by these ideas, we propose the Axion Detection with Birefringent Cavities (ADBC) experiment, a new axion interferometry concept using a cavity that exhibits birefringence between its two, linearly-polarized laser eigenmodes. This experimental concept overcomes several limitations of the designs currently in the literature, and can be practically realized in the form of a simple bowtie cavity with tunable mirror angles. Our design thereby increases the sensitivity to the axion-photon coupling over a wide range of axion masses.

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