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In Situ Observation of Hall Magnetohydrodynamic Cascade in Space Plasma

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F20%3A00535348" target="_blank" >RIV/67985815:_____/20:00535348 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.1103/PhysRevLett.124.225101" target="_blank" >https://doi.org/10.1103/PhysRevLett.124.225101</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1103/PhysRevLett.124.225101" target="_blank" >10.1103/PhysRevLett.124.225101</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    In Situ Observation of Hall Magnetohydrodynamic Cascade in Space Plasma

  • Original language description

    We present estimates of the turbulent energy-cascade rate derived from a Hall-magnetohydrodynamic (MHD) third-order law. We compute the contribution from the Hall term and the MHD term to the energy flux. Magnetospheric Multiscale (MMS) data accumulated in the magnetosheath and the solar wind are compared with previously established simulation results. Consistent with the simulations, we find that at large (MHD) scales, the MMS observations exhibit a clear inertial range dominated by the MHD flux. In the subion range, the cascade continues at a diminished level via the Hall term, and the change becomes more pronounced as the plasma beta increases. Additionally, the MHD contribution to interscale energy transfer remains important at smaller scales than previously thought. Possible reasons are offered for this unanticipated result.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10305 - Fluids and plasma physics (including surface physics)

Result continuities

  • Project

    <a href="/en/project/GA18-08861S" target="_blank" >GA18-08861S: Plasma turbulence at ion scales in the solar wind</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2020

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Physical Review Letters

  • ISSN

    1079-7114

  • e-ISSN

  • Volume of the periodical

    124

  • Issue of the periodical within the volume

    22

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    7

  • Pages from-to

    225101

  • UT code for WoS article

    000537620500008

  • EID of the result in the Scopus database

    2-s2.0-85086843206