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Kinematic and magnetic coherent structures in solar and stellar turbulence

  • Abraham C.-L. Chian (a1) (a2), Rodrigo A. Miranda (a3) (a4), Erico L. Rempel (a2) (a5) and Brigitte Schmieder (a6)

Abstract

We show that on-off intermittency in solar and stellar cycles is a result of amplitude-phase synchronization in multiscale interactions in solar/stellar dynamos or magnetorotational instability which leads to the formation of kinematic and magnetic coherent structures, and the novel techniques of Lagrangian coherent structures can detect transport barriers and vortices such as magnetic flux tubes/ropes in solar and stellar turbulence with high accuracy.

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Chian, A. C.-L., Miranda, R. A., Rempel, E. L., Saiki, Y., & Yamada, M. 2010, Phys, Rev. Lett., 104, 254102.
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Miranda, R. A., Rempel, E. L., & Chian, A. C.-L. 2015, MNRAS, 448, 804.
Rempel, E. L., Proctor, M. R. E., & Chian, A. C.-L. 2009, MNRAS, 400, 509.
Rempel, E. L., Chian, A. C.-L., & Brandenburg, A. 2011, ApJL, 735, L9.
Rempel, E. L., Chian, A. C.-L., Beron-Vera, F. J., Szanyi, S., & Haller, G. 2017, MNRAS, 466, L108.
Roudier, T., Schmieder, B., Filippov, B., Chandra, R., & Malherbe, J. M. 2018, A&A, submitted.
Zimovets, I., Vilmer, N., Chian, A. C.-L., Sharykin, I., & Struminsky, A. 2012, A&A, 547, A6.
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Keywords

Kinematic and magnetic coherent structures in solar and stellar turbulence

  • Abraham C.-L. Chian (a1) (a2), Rodrigo A. Miranda (a3) (a4), Erico L. Rempel (a2) (a5) and Brigitte Schmieder (a6)

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