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arXiv · 2007.15656

Heterodyne Broadband Detection of Axion Dark Matter

Asher Berlin·Raffaele Tito D'Agnolo·Sebastian A. R. Ellis·Kevin Zhou
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Abstract

We propose a new broadband search strategy for ultralight axion dark matter that interacts with electromagnetism. An oscillating axion field induces transitions between two quasi-degenerate resonant modes of a superconducting cavity. In two broadband runs optimized for high and low masses, this setup can probe unexplored parameter space for axion-like particles covering fifteen orders of magnitude in mass, including astrophysically long-ranged fuzzy dark matter.

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Asher Berlin, Raffaele Tito D'Agnolo, Sebastian A. R. Ellis, Kevin Zhou. 2020-07-30. Heterodyne Broadband Detection of Axion Dark Matter. https://doi.org/10.1103/physrevd.104.l111701

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