Hunting Axion Dark Matter with Protoplanetary Disk Polarimetry
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🌌 astro-ph.CO
astro-ph.EPhep-ph
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axiondarkmatterprotoplanetarydisksaxion-photonconstantconstraint
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We find that the polarimetric observations of protoplanetary disks are useful to search for ultra-light axion dark matter. Axion dark matter predicts the rotation of the linear polarization plane of propagating light, and protoplanetary disks are ideal targets to observe it. We show that a recent observation puts the tightest constraint on the axion-photon coupling constant for axion mass $m\lesssim10^{-21}$eV.
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Cited by 1 Pith paper
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Probing Axion-Photon conversion via circular polarization imprints in the CMB $V$-mode observations
Proposes that axion-photon conversion in pre-CMB helical magnetic fields imprints detectable V-mode polarization in the CMB, allowing CLASS 40 GHz observations to constrain ALP masses 10^{-10} to 10^{-8} eV and their ...
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