Abstract
We investigate the close analogy between the solar radio emission with a quasi-harmonic spectrum structure and one of the microwave emission components of the Crab pulsar in the form of the so-called zebra pattern. The radio emission mechanism of this component can be provided by instability at double plasma resonance and can be realized in extraordinary (for a radio pulsar) conditions, namely in a nonrelativistic plasma with a relatively weak magnetic field. We point out possible models of the emission source in the form of a magnetic trap or a neutral current sheet with a transverse magnetic field localized in the corotating region of the pulsar magnetosphere far from the neutron star surface.
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Original Russian Text © V.V. Zheleznyakov, V.V. Zaitsev, E.Ya. Zlotnik, 2012, published in Pis’ma v Astronomicheskiĭ Zhurnal, 2012, Vol. 38, No. 9, pp. 660–676.
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Zheleznyakov, V.V., Zaitsev, V.V. & Zlotnik, E.Y. On the analogy between the zebra patterns in radio emission from the sun and the crab pulsar. Astron. Lett. 38, 589–604 (2012). https://doi.org/10.1134/S106377371209006X
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DOI: https://doi.org/10.1134/S106377371209006X