On the very high energy spectrum of the Crab pulsar

Details On the very high energy spectrum of the Crab pulsar On the very high energy spectrum of the Crab pulsar

2010-12-15

arxiv.org/abs/1012.3275v1

Astrophys.J.730:62,2011

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

8 pages, 0 figures

Scientific paper

10.1088/0004-637X/730/2/62

In the present paper we construct a self-consistent theory, interpreting the observations of the MAGIC Cherenkov Telescope of the very high energy (VHE) pulsed emission from the Crab pulsar. In particular, on the basis of the Vlasov's kinetic equation we study the process of the quasi-linear diffusion(QLD) developed by means of the cyclotron instability. This mechanism provides simultaneous generation of low (radio) and VHE (0.01-25GeV) emission on the light cylinder scales, in one location of the pulsar magnetosphere. A different approach of the synchrotron theory is considered, giving the spectral index of VHE emission ($\beta=2$) and the exponential cutoff energy (23 GeV) in a good agreement with the observational data.

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