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Conference Paper

Inductive spikes and gamma-ray flares from the Crab Nebula

MPS-Authors
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Kirk,  John G.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

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Giacinti,  Gwenael
Brian Reville, Astrophysical Plasma Theory (APT) - Max Planck Research Group, Junior Research Groups, MPI for Nuclear Physics, Max Planck Society;

External Resource

https://pos.sissa.it/312/010/pdf
(Publisher version)

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Fulltext (public)

1712.00277.pdf
(Preprint), 129KB

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Citation

Kirk, J. G., & Giacinti, G. (2017). Inductive spikes and gamma-ray flares from the Crab Nebula. Proceedings of Science, 312(IFS2017): 010. doi:10.22323/1.312.0010.


Cite as: https://hdl.handle.net/21.11116/0000-0005-52AE-B
Abstract
The ~400 MeV flaring emission from the Crab Nebula is naturally explained as
the result of an abrupt reduction in the mass-loading of the pulsar wind. Very
few particles are then available to carry the current required to maintain wave
activity, causing them to achieve high Lorentz factors. When they penetrate the
Nebula, a tightly beamed, high luminosity burst of hard gamma-rays results,
with characteristics similar to the observed flares. This mechanism may operate
in other powerful pulsars, such as J0537-6910 (PWN N 157B), B0540-69, B1957+20
and J0205+6449 (3C 58).