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Generation of Electric Currents and Waves on Magnetic Flux Tubes by Horizontal Velocities in the Photosphere

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Mechanisms of Chromospheric and Coronal Heating

Abstract

Horizontal velocities in the photosphere are an important “driver” in theories of coronal heating because they generate field-aligned currents by slow twisting and tangling of magnetic field lines and wave modes by higher frequency perturbations. As a first attempt to provide observational constraints for theories of these processes, we present temporal power spectra and other statistics for measured horizontal velocities and for the their curl and divergence.

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Authors and Affiliations

  1. Lockheed Palo Alto Research Laboratory, Org. 91-30, Bldg. 256, 3251 Hanover St., Palo Alto, CA, 94304, USA

    T. D. Tarbell, G. L. Slater, Z. A. Frank, R. A. Shine & K. P. Topka

Authors
  1. T. D. Tarbell
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  2. G. L. Slater
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  3. Z. A. Frank
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  4. R. A. Shine
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  5. K. P. Topka
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Editor information

Editors and Affiliations

  1. Institut für Theoretische Astrophysik, Im Neuenheimer Feld 561, D-6900, Heidelberg, Fed. Rep. of Germany

    Peter Ulmschneider

  2. The Mathematical Institute North Haugh, University of St. Andrews, St. Andrews, KY16 9SS, Great Britain

    Eric R. Priest

  3. E. Fermi Institute and Dept. of Astronomy and Astrophysics, 5640 S Ellis Ave., 60637, Chicago, IL, USA

    Robert Rosner

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© 1991 Springer-Verlag Berlin Heidelberg

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Tarbell, T.D., Slater, G.L., Frank, Z.A., Shine, R.A., Topka, K.P. (1991). Generation of Electric Currents and Waves on Magnetic Flux Tubes by Horizontal Velocities in the Photosphere. In: Ulmschneider, P., Priest, E.R., Rosner, R. (eds) Mechanisms of Chromospheric and Coronal Heating. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-87455-0_9

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  • DOI: https://doi.org/10.1007/978-3-642-87455-0_9

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-87457-4

  • Online ISBN: 978-3-642-87455-0

  • eBook Packages: Springer Book Archive

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