Searching for Scalar Ultralight Dark Matter with Optical Fibers

• URL: http://arxiv.org/abs/2305.11205v1
• Date: Thu, 18 May 2023 17:23:09 GMT
• Title: Searching for Scalar Ultralight Dark Matter with Optical Fibers
• Authors: J. Manley and R. Stump and R. Petery and and S. Singh
• Abstract summary: We consider optical fibers as detectors for scalar ultralight dark matter (UDM) We propose using a fiber-based interferometer to search for scalar UDM with particle mass in the range $10-17 - 10-13$ eV/$c2$.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We consider optical fibers as detectors for scalar ultralight dark matter (UDM) and propose using a fiber-based interferometer to search for scalar UDM with particle mass in the range $10^{-17} - 10^{-13}$ eV/$c^2$ $\left(10^{-3}- 10 \text{ Hz}\right)$. Composed of a solid core and a hollow core fiber, the proposed detector would be sensitive to relative oscillations in the fibers' refractive indices due to scalar UDM-induced modulations in the fine-structure constant $\alpha$. We predict that, implementing detector arrays or cryogenic cooling, the proposed optical fiber-based scalar UDM search has the potential to reach new regions of the parameter space. Such a search would be particularly well-suited to probe for a Solar halo of dark matter with a sensitivity exceeding that of previous DM searches over the particle mass range $7\times 10^{-17} - 2\times 10^{-14}$ eV/$c^2$.

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