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Oxygen energization by localized perpendicular electric fields at the cusp boundary
Vise andre og tillknytning
2010 (engelsk)Inngår i: Geophysical Research Letters, ISSN 0094-8276, E-ISSN 1944-8007, Vol. 37, nr 9, artikkel-id L09103Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We report Cluster observations of oxygen energization by several keV at the boundary between the high latitude cusp and lobe. A localized electric field at the cusp/lobe boundary is responsible for a significant part of the observed energization. Such electric fields can be related to the separatrix region of reconnection at the magnetopause. Ions are accelerated as they move non-adiabatically in the spatially inhomogeneous electric field. Additional heating may be provided by low frequency waves at the oxygen gyrofrequency. Citation: Lindstedt, T., Y. V. Khotyaintsev, A. Vaivads, M. Andre, H. Nilsson, and M. Waara (2010), Oxygen energization by localized perpendicular electric fields at the cusp boundary.

sted, utgiver, år, opplag, sider
Washington: American Geophysical Union (AGU), 2010. Vol. 37, nr 9, artikkel-id L09103
Emneord [en]
ion energization, high-altitude, auroral region, cluster, outflows, magnetosphere, mechanisms, dynamics, waves
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Identifikatorer
URN: urn:nbn:se:umu:diva-43617DOI: 10.1029/2010GL043117ISI: 000277478000005OAI: oai:DiVA.org:umu-43617DiVA, id: diva2:414874
Tilgjengelig fra: 2011-05-04 Laget: 2011-05-04 Sist oppdatert: 2018-06-08bibliografisk kontrollert

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