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Discovering QCD-Coupled Axion Dark Matter with Polarization Haloscopes

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arxiv 2209.12901 v2 pith:UFYSB3F6 submitted 2022-09-26 hep-ph hep-exnucl-thphysics.ins-det

classification hep-phhep-exnucl-thphysics.ins-det
keywords axionhaloscopepolarizationcavitydarkmatterqcd-coupledability
verification ladder T0 review T1 audit T2 compute T3 formal
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In the presence of QCD axion dark matter, atoms acquire time-dependent electric dipole moments. This effect gives rise to an oscillating current in a nuclear spin-polarized dielectric, which can resonantly excite an electromagnetic mode of a microwave cavity. We show that with existing technology such a "polarization haloscope" can explore orders of magnitude of new parameter space for QCD-coupled axions. If any cavity haloscope detects a signal from the axion-photon coupling, an upgraded polarization haloscope has the unique ability to test whether it arises from the QCD axion.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Dark Matter Nuclear Magnetic Resonance is Sensitive to Dark Photons and the Axion-Photon Coupling

    hep-ph 2025-05 conditional novelty 6.0 of 10

    CASPEr-Gradient, an NMR axion search, could simultaneously probe dark photon kinetic mixing to about 3e-16 and axion-photon coupling to about 2e-16 GeV^-1 near a mass of 1 micro-eV.

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