A Review of Alfvenic Turbulence in High-Speed Solar Wind Streams: Hints From Cometary Plasma Turbulence
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F18%3A00496115" target="_blank" >RIV/67985815:_____/18:00496115 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1002/2017JA024203" target="_blank" >http://dx.doi.org/10.1002/2017JA024203</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1002/2017JA024203" target="_blank" >10.1002/2017JA024203</a>
Alternative languages
Result language
angličtina
Original language name
A Review of Alfvenic Turbulence in High-Speed Solar Wind Streams: Hints From Cometary Plasma Turbulence
Original language description
Solar wind turbulence within high-speed streams is reviewed from the point of view of embedded single nonlinear Alfven wave cycles, discontinuities, magnetic decreases (MDs), and shocks. For comparison and guidance, cometary plasma turbulence is also briefly reviewed. It is demonstrated that cometary nonlinear magnetosonic waves phase-steepen, with a right-hand circular polarized foreshortened front and an elongated, compressive trailing edge. The former part is a form of wave breaking and the latter that of “period doubling.” Interplanetary nonlinear Alfven waves, which are arc polarized, have a similar to 180 degrees foreshortened front and with an elongated trailing edge. Alfven waves have polarizations different from those of cometary magnetosonic waves, indicating that helicity is a durable feature of plasma turbulence. Interplanetary Alfven waves are noted to be spherical waves, suggesting the possibility of additional local generation. They kinetically dissipate, forming MDs, indicating that the solar wind is partially “compressive” and static. The similar to 2 MeV protons can nonresonantly interact with MDs leading to rapid cross-field (similar to 5.5% Bohm) diffusion. The possibility of local (similar to 1 AU) generation of Alfven waves may make it difficult to forecast High-Intensity, Long-Duration AE Activity and relativistic magnetospheric electrons with great accuracy. The future Solar Orbiter and Solar Probe Plus missions should be able to not only test these ideas but to also extend our knowledge of plasma turbulence evolution.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10308 - Astronomy (including astrophysics,space science)
Result continuities
Project
<a href="/en/project/GA15-10057S" target="_blank" >GA15-10057S: Solar wind ions: correlations, constraints, and causality</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Journal of Geophysical Research: Space Physics
ISSN
2169-9402
e-ISSN
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Volume of the periodical
123
Issue of the periodical within the volume
4
Country of publishing house
US - UNITED STATES
Number of pages
35
Pages from-to
2458-2492
UT code for WoS article
000433498400001
EID of the result in the Scopus database
2-s2.0-85041405230