The nature and source of solar magnetic phenomena

Jarboe, T. R.; Benedett, T. E.; Everson, C. J.; Hansen, C. J.; Hossack, A. C.; Morgan, K. D.; Nelson, B. A.; O'Bryan, J. B.; Penna, J. M.; Sutherland, D. A.

doi:10.1063/1.5087613

Title: The nature and source of solar magnetic phenomena

Journal Article · 09 September 2019 · Physics of Plasmas

DOI: https://doi.org/10.1063/1.5087613 · OSTI ID:1610327

Jarboe, T. R. ^[1]; Benedett, T. E. ^[1]; Everson, C. J. ^[1];

^[1];

^[1]; Morgan, K. D. ^[1]; Nelson, B. A. ^[1]; O'Bryan, J. B. ^[1]; Penna, J. M. ^[1];

^[1]

Univ. of Washington, Seattle, WA (United States)

The heliosphere appears to be powered by coaxial helicity injection from a negative helicity injector in the northern hemisphere and a positive one in the southern hemisphere. The injector magnetic flux for both is the measured solar polar magnetic flux, and the injector voltage is generated by a simple dynamo effect due to the differential rotation of the solar surface with the polar magnetic flux. The dynamo current is estimated from the solar motion that it causes. This current also appears to sustain a thin, shallow global magnetic structure over most of the solar surface that has the form of a 1D minimum energy state. The current channel appears to be destroyed and reformed every 11 years. The currents and magnetic fields reverse in this solar cycle. A brief discussion of surface phenomena observed during this cycle is given. Plasma self-organization is briefly discussed and used in this analysis of solar data. The magnetic phenomena discussed include torsional oscillations, the heat source for the chromosphere and the corona, filaments, meridional flow, the solar cycle, sunspots, CMEs, and flares.

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Research Organization:: Univ. of Washington, Seattle, WA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Fusion Energy Sciences (FES)

Grant/Contract Number:: FG02-96ER54361; SC0016256

OSTI ID:: 1610327

Alternate ID(s):: OSTI ID: 1560782

Journal Information:: Physics of Plasmas, Vol. 26, Issue 9; ISSN 1070-664X

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 2 works

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71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
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