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arXiv · 1810.04364

Triggered superradiance and fast radio bursts

Martin Houde·Fereshteh Rajabi·B. M. Gaensler·A. Mathews·Victor Tranchant
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Abstract

In this paper we develop a model for fast radio bursts (FRBs) based on triggered superradiance (SR) and apply it to previously published data of FRB 110220 and FRB 121102. We show how a young pulsar located at ~100 pc or more from an SR/FRB system could initiate the onset of a powerful burst of radiation detectable over cosmological distances. Our models using the OH$^2Π_{3/2}$ $\left(J=3/2\right)$ 1612 MHz and $^2Π_{3/2}$ $\left(J=5/2\right)$ 6030 MHz spectral lines match the light curves well and suggest the entanglement of more than $10^{30}$ initially inverted molecules over lengths of approximately 300 au for a single SR sample. SR also accounts for the observed temporal narrowing of FRB pulses with increasing frequency for FRB 121102, and predicts a scaling of the FRB spectral bandwidth with the frequency of observation, which we found to be consistent with the existing data.

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Martin Houde, Fereshteh Rajabi, B. M. Gaensler, A. Mathews, Victor Tranchant. 2018-11-06. Triggered superradiance and fast radio bursts. https://doi.org/10.1093/mnras%2Fsty3046

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