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Development of the magneto-differential-rotational instability in magnetorotational supernova


In the paper we discuss the results of simulations of magnetorotational supernova explosion. Due to the nonuniform core collapse the rotation of the core becomes differential. In the case when initial poloidal magnetic field is nonzero it starts to amplify with time. At the initial stage of the amplification of the magnetic field its growth is linear. Later the exponential growth of all components of the magnetic field show the development of Magneto-Rotational-Instability of special type (Tayler-type instability). We call it Magneto-Differential-Rotational-Instability (MDRI).

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Correspondence to S. G. Moiseenko or G. S. Bisnovatyi-Kogan.

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The text was submitted by the authors in English.

Paper was presented at the international conference in honor of Ya.B. Zeldovich 100th Anniversary “Subatomic Particles, Nucleons, Atoms, Universe: Processes and Structure” held in Minsk, Belarus, in March 10–14, 2014. Published by the recommendation of the special Editors: S.Ya. Kilin, R. Ruffini, and G.V. Vereshchagin.

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Moiseenko, S.G., Bisnovatyi-Kogan, G.S. Development of the magneto-differential-rotational instability in magnetorotational supernova. Astron. Rep. 59, 573–580 (2015).

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  • Astronomy Report
  • Core Mass
  • Supernova Explosion
  • Triangular Grid
  • Core Collapse