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Fast radio bursts from axion stars moving through pulsar magnetospheres

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arxiv 2004.06486 v2 pith:U6YROW5P submitted 2020-04-14 astro-ph.HE hep-ph

classification astro-ph.HEhep-ph
keywords axionradiostarmassaxionsburstsfastaccount
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abstract

We study the radio signals generated when an axion star enters the magnetosphere of a neutron star. As the axion star moves through the resonant region where the plasma-induced photon mass becomes equal to the axion mass, the axions can efficiently convert into photons, giving rise to an intense, transient radio signal. We show that a dense axion star with a mass $\sim 10^{-13}M_{\odot}$ composed of $\sim 10\: \mu$eV axions can account for most of the mysterious fast radio bursts.

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Forward citations

Cited by 2 Pith papers

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

  1. Gravitational Wave Scattering on Magnetic Fields

    gr-qc 2025-07 accept novelty 7.0 of 10

    In a 3D treatment of the inverse Gertsenshtein effect, an isotropic unpolarized gravitational wave background scattering off a dipolar magnetic field yields partially linearly polarized radio emission, with peak inten...

  2. Searching for Axion Dark Matter Near Relaxing Magnetars

    hep-ph 2025-05 conditional novelty 6.0 of 10

    Resonant axion-to-photon conversion near magnetars could be observable with ALMA and SKA, but the predicted line strength and frequency depend heavily on which plasma model is correct.

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