Fast Radio Bursts as crustal dynamical events induced by magnetic field evolution in young magnetars
arXiv:2106.15030 · doi:10.1088/1674-4527/ac440f
Abstract
We revisit in this work a model for repeating Fast Radio Bursts based of the release of energy provoked by the magnetic field dynamics affecting a magnetar's crust. We address the basics of such a model by solving the propagation of the perturbation approximately, and quantify the energetics and the radiation by bunches of charges in the so-called {\it charge starved} region in the magnetosphere. The (almost) simultaneous emission of newly detected X-rays from SGR 1935+2154 is tentatively associated to a reconnection behind the propagation. The strength of -mode gravitational radiation excited by the event is quantified, and more detailed studies of the non-linear (spiky) soliton solutions suggested.
arXiv commentSubmitted, discussion on GW enlarged, references added and physical pictured clarified
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