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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

Fast radio bursts from axion stars moving through pulsar magnetospheres

classification astro-ph.HE hep-ph
keywords axionradiostarmassaxionsburstsfastaccount
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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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Cited by 2 Pith papers

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