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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 ASEP 0472000 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Euler potentials for two layers with non-constant current densities in the ambient magnetic field aligned to the layers Tvůrce(i) Vandas, Marek (ASU-R) RID, ORCID
Romashets, E. (US)Zdroj.dok. Annales Geophysicae. - : Copernicus - ISSN 0992-7689
Roč. 34, č. 12 (2016), s. 1165-1173Poč.str. 9 s. Forma vydání Tištěná - P Jazyk dok. eng - angličtina Země vyd. DE - Německo Klíč. slova magnetospheric physics ; scale birkeland currents ; charged particles Vědní obor RIV BN - Astronomie a nebeská mechanika, astrofyzika CEP GA14-19376S GA ČR - Grantová agentura ČR Institucionální podpora ASU-R - RVO:67985815 UT WOS 000391489400001 EID SCOPUS 85006511301 DOI 10.5194/angeo-34-1165-2016 Anotace The 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. Pracoviště Astronomický ústav Kontakt Radka Svašková, bibl@asu.cas.cz, Tel.: 323 620 326 Rok sběru 2017
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