Axion Minicluster and NS
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| Category | Progenitor | Type | Energy Mechanism | Emission Mechanism | Counterparts | References | Brief Comments | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LF Radio | HF Radio | Microwave | Terahertz | Optical/IR | X-rays | Gamma-rays | Gravitational Waves | Neutrinos | |||||||
| Collision / Interaction | Axion Minicluster and NS | Single | Maser | Synch. | Yes | -- | -- | -- | -- | -- | -- | -- | -- | http://adsabs.harvard.edu/abs/2015JETPL.101....1T | None |
Definitions: LF Radio (3 MHz to 3 GHz); HF Radio (3 GHz to 30 GHz); Microwave (30 to 300 GHz)
Model Description
Axion clumps with masses below the stellar range, known as Axion Bose Clusters or “miniclusters”, have been considered as FRB progenitors. In the strong magnetic field of a compact object, an instability may arise in a minicluster, causing it to explosively decay into photons via a synchrotron maser mechanism. The predicted emission timescale, the energetics, luminosities, and event rate are in-keeping with FRB observations.
Observational Constraints
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