Finding reconnection lines and flux rope axes via local coordinates in global ion-kinetic magnetospheric simulations
Abstract Magnetic reconnection is a crucially important process for energy conversion in plasma physics, with the substorm cycle of Earth's magnetosphere and solar flares being prime examples. While 2D models have been widely applied to study reconnection, investigating reconnection in 3D is still, in many aspects, an open problem. Finding sites of magnetic reconnection in a 3D setting is not a trivial task, with several approaches, from topological skeletons to Lorentz transformations, having been proposed to tackle the issue. This work presents a complementary method for quasi-2D structures in 3D settings by noting that the magnetic field structures near reconnection lines exhibit 2D features that can be identified in a suitably chosen local coordinate system. We present applications of this method to a hybrid-Vlasov Vlasiator simulation of Earth's magnetosphere, showing the complex magnetic topologies created by reconnection for simulations dominated by quasi-2D reconnection. We also quantify the dimensionalities of magnetic field structures in the simulation to justify the use of such coordinate systems.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Finding reconnection lines and flux rope axes via local coordinates in global ion-kinetic magnetospheric simulations ; volume:42 ; number:1 ; year:2024 ; pages:145-161 ; extent:17
Annales geophysicae ; 42, Heft 1 (2024), 145-161 (gesamt 17)
- Urheber
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Alho, Markku
Cozzani, Giulia
Zaitsev, Ivan
Kebede, Fasil Tesema
Ganse, Urs
Battarbee, Markus
Bussov, Maarja
Dubart, Maxime
Hoilijoki, Sanni
Kotipalo, Leo
Papadakis, Konstantinos
Pfau-Kempf, Yann
Suni, Jonas
Tarvus, Vertti
Workayehu, Abiyot
Zhou, Hongyang
Palmroth, Minna
- DOI
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10.5194/angeo-42-145-2024
- URN
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urn:nbn:de:101:1-2405230429326.979049187660
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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14.08.2025, 10:54 MESZ
Datenpartner
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Beteiligte
- Alho, Markku
- Cozzani, Giulia
- Zaitsev, Ivan
- Kebede, Fasil Tesema
- Ganse, Urs
- Battarbee, Markus
- Bussov, Maarja
- Dubart, Maxime
- Hoilijoki, Sanni
- Kotipalo, Leo
- Papadakis, Konstantinos
- Pfau-Kempf, Yann
- Suni, Jonas
- Tarvus, Vertti
- Workayehu, Abiyot
- Zhou, Hongyang
- Palmroth, Minna
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