http://arxiv.org/abs/2007.15656
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.
A. Berlin, R. D’Agnolo, S. Ellis, et. al.
Mon, 3 Aug 20
-669/58
Comments: 10+14 pages, 3 figures
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