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DOE OSTI · 3365456

Searching for axion dark matter with array-scalable single magnon detectors

Chang, Clarence [Argonne National Laboratory (ANL), Argonne, IL (United States); University of Chicago, IL (United States)] (ORCID:0000000263110448)·Hobbs, T. J. [Argonne National Laboratory (ANL), Argonne, IL (United States)] (ORCID:0000000227290015)·Jin, Dafei [University of Notre Dame, IN (United States)]·Li, Yi [Argonne National Laboratory (ANL), Argonne, IL (United States)]·Lisovenko, Marharyta [Argonne National Laboratory (ANL), Argonne, IL (United States)] (ORCID:0000000229463944)·Novosad, Valentine [Argonne National Laboratory (ANL), Argonne, IL (United States)] (ORCID:0000000321272374)·Saleem, Zain H. [Argonne National Laboratory (ANL), Argonne, IL (United States)] (ORCID:0000000281822764)·Trickle, Tanner [Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)] (ORCID:0000000313714988)·Wang, Gensheng [Argonne National Laboratory (ANL), Argonne, IL (United States)]
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Abstract

We introduce an array-scalable, magnon-based detector to search for the spin-dependent interactions of electron-coupled axion dark matter with mass in the 1−100 μ⁢eV range. These axions can excite single magnons in magnetic targets, such as yttrium iron garnet (YIG) spheres, which are subsequently sensed by the detector. In our concept, this sensing is implemented by coupling the magnons in the YIG spheres to magnetic-field-resilient single-electron charge-qubits, whose state is then interrogated with a quantum nondemolition measurement. Using standard superconducting fabrication techniques, it is possible to integrate many YIG sphere-qubit sensors, forming a large detector array. We outline the detector design and operation for our concept, and determine its sensitivity to axion dark matter. We find that using available technology can already exceed the sensitivity of previous ferromagnetic haloscopes, and further improvements in performance would search for electron-coupled axion dark matter in unexplored parameter space.

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46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDSAxionsMagnonsParticle detectorsQubitsSuperconducting devices

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Chang, Clarence [Argonne National Laboratory (ANL), Argonne, IL (United States); University of Chicago, IL (United States)] (ORCID:0000000263110448), Hobbs, T. J. [Argonne National Laboratory (ANL), Argonne, IL (United States)] (ORCID:0000000227290015), Jin, Dafei [University of Notre Dame, IN (United States)], Li, Yi [Argonne National Laboratory (ANL), Argonne, IL (United States)], Lisovenko, Marharyta [Argonne National Laboratory (ANL), Argonne, IL (United States)] (ORCID:0000000229463944), Novosad, Valentine [Argonne National Laboratory (ANL), Argonne, IL (United States)] (ORCID:0000000321272374), Saleem, Zain H. [Argonne National Laboratory (ANL), Argonne, IL (United States)] (ORCID:0000000281822764), Trickle, Tanner [Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)] (ORCID:0000000313714988), Wang, Gensheng [Argonne National Laboratory (ANL), Argonne, IL (United States)]. 2026-01-14. Searching for axion dark matter with array-scalable single magnon detectors. https://doi.org/10.1103/d5rj-8h94

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