Alfvén waves, magnetic decreases, and dicontinuities in interplanetary space

B. T. Tsurutani, B. Buti, J. K. Arballo, Tohru Hada, E. J. Smith, A. Balogh

    Research output: Contribution to journalArticle

    6 Citations (Scopus)

    Abstract

    The Ulysses mission goes to the polar regions of the heliosphere and therefore is an ideal mission to study Alfvén waves and discontinuities. The polar region is dominated by a high speed solar wind with embedded outwardly propagating nonlinear (ΔB/Bo ~ 1 to 2) Alfvén waves. Rotational discontinuities are detected at the edges of Alfvén waves and have been shown to be the phase-steepened edges of the waves. Dissipation at these phase-steepened Alfvén waves has been sought in the plasma and magnetic field data, but not found. Another phenomenon detected at high latitudes is magnetic field decreases (MDs) bounded by discontinuities. One-dimensional simulation results suggest that MDs may be a product of the evolution of nonlinear Alfvén waves. Published by Elsevier Science Ltd on behalf of COSPAR.

    Original languageEnglish
    Pages (from-to)765-769
    Number of pages5
    JournalAdvances in Space Research
    Volume28
    Issue number5
    DOIs
    Publication statusPublished - Dec 1 2001

    Fingerprint

    interplanetary space
    discontinuity
    polar regions
    polar region
    magnetic field
    Magnetic fields
    Ulysses mission
    magnetic fields
    nonlinear wave
    Committee on Space Research
    Solar wind
    heliosphere
    solar wind
    dissipation
    space (interplanetary)
    plasma
    high speed
    Plasmas
    simulation
    products

    All Science Journal Classification (ASJC) codes

    • Aerospace Engineering
    • Space and Planetary Science

    Cite this

    Alfvén waves, magnetic decreases, and dicontinuities in interplanetary space. / Tsurutani, B. T.; Buti, B.; Arballo, J. K.; Hada, Tohru; Smith, E. J.; Balogh, A.

    In: Advances in Space Research, Vol. 28, No. 5, 01.12.2001, p. 765-769.

    Research output: Contribution to journalArticle

    Tsurutani, B. T. ; Buti, B. ; Arballo, J. K. ; Hada, Tohru ; Smith, E. J. ; Balogh, A. / Alfvén waves, magnetic decreases, and dicontinuities in interplanetary space. In: Advances in Space Research. 2001 ; Vol. 28, No. 5. pp. 765-769.
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    AU - Arballo, J. K.

    AU - Hada, Tohru

    AU - Smith, E. J.

    AU - Balogh, A.

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