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Título: | Transient radio signatures from neutron star encounters with QCD axion minicluster |
Autor: | Edwards, Thomas D. P.; Kavanagh, Bradley J. CSIC ORCID; Visinelli, Luca; Weniger, Christoph | Fecha de publicación: | 2021 | Editor: | American Physical Society | Citación: | Physical Review Letters 127(13): 131103 (2021) | Resumen: | The QCD axion is expected to form dense structures known as axion miniclusters if the Peccei-Quinn symmetry is broken after inflation. Miniclusters that have survived until today will interact with neutron stars (NSs) in the Milky Way to produce transient radio signals from axion-photon conversion in the NS magnetosphere. We quantify the properties of these encounters and find that they occur frequently [O(1–100)day−1], last between a day and a few months, are spatially clustered toward the Galactic Center, and can reach observable fluxes. These radio transients are within reach of current generation telescopes and therefore offer a promising pathway to discovering QCD axion dark matter. | Versión del editor: | https://doi.org/10.1103/PhysRevLett.127.131103 | URI: | http://hdl.handle.net/10261/260738 | DOI: | 10.1103/PhysRevLett.127.131103 | E-ISSN: | 1079-7114 |
Aparece en las colecciones: | (IFCA) Artículos |
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