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Euler potentials for two layers with non-constant current densities in the ambient magnetic field aligned to the layers

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    SYSNO ASEP0472000
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleEuler potentials for two layers with non-constant current densities in the ambient magnetic field aligned to the layers
    Author(s) Vandas, Marek (ASU-R) RID, ORCID
    Romashets, E. (US)
    Source TitleAnnales Geophysicae. - : Copernicus - ISSN 0992-7689
    Roč. 34, č. 12 (2016), s. 1165-1173
    Number of pages9 s.
    Publication formPrint - P
    Languageeng - English
    CountryDE - Germany
    Keywordsmagnetospheric physics ; scale birkeland currents ; charged particles
    Subject RIVBN - Astronomy, Celestial Mechanics, Astrophysics
    R&D ProjectsGA14-19376S GA ČR - Czech Science Foundation (CSF)
    Institutional supportASU-R - RVO:67985815
    UT WOS000391489400001
    EID SCOPUS85006511301
    DOI10.5194/angeo-34-1165-2016
    AnnotationThe Euler potentials for two current layers aligned to an ambient homogeneous magnetic field are found. Previous treatment of such a system assumed constant current density in the layers. However, the magnetic field becomes infinite at the edges. The new approach eliminates this inconsistency by introducing an inhomogeneous current density. Euler potentials are constructed semi-analytically for such a system. Charged-particle motion and trapping in it are examined by this representation. Using Euler potentials, the influence of current sheets of zero and non-zero thicknesses on energetic-particle fluxes is investigated, and characteristic flux variations near the sheets are presented. The results can be applied to Birkeland currents.
    WorkplaceAstronomical Institute
    ContactRadka Svašková, bibl@asu.cas.cz, Tel.: 323 620 326
    Year of Publishing2017
Number of the records: 1  

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