Are Fast Radio Bursts Produced By Large Glitches Of Anomalous X-ray Pulsars?

Abstract

Star quakes and internal phase transitions within anomalous x-ray pulsars (AXPs) and soft $\gamma$-ray repeaters (SGRs) can produce mini contractions and pulsar glitches. Shocks break out from their surface following such contractions produce thermal x/$\gamma$-ray bursts. Highly relativistic dipolar $e^{+}{e}^{-}$ bunches launched from the pulsar polar caps emit fast radio bursts (FRBs) of narrowly beamed coherent curvature radiation, visible if they point in the direction of Earth. Although these surface x/$\gamma$-ray bursts are isotropic and are many orders of magnitude more energetic than the FRBs, they are detectable by the current all sky x-ray and $\gamma$-ray monitors only from our galaxy and very nearby galaxies.

Typos corrected. Added clarifications and references following referee comments. Unchanged conclusions

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