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Observation of the lower hybrid waves near the three-dimensional null pair
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2009 (English)In: Science in China Series G: Physics Mechanics and Astronomy, ISSN 1672-1799, E-ISSN 1862-2844, Vol. 52, no 4, 626-630 p.Article in journal (Refereed) Published
Abstract [en]

Magnetic reconnection is a fundamental process in plasma, which is thought to play important roles both in laboratory and natural plasmas through affecting magnetic topology, heating and accelerating particles. During an event on Oct. 1st, 2001, the Cluster tetrahedron circled around the magnetic reconnection region several times, and Xiao et al. first identified the null pair and found that the spectrum of the null-point oscillation shows the maximum power near the lower-hybrid frequency. In this paper we report the observation of electromagnetic and electrostatic wave enhancements near lower hybrid frequency associated with the reconnection process near the null pair. The lower hybrid waves (LHWs) with quasi-perpendicular propagation were identified and also confirmed by the power law of the spectrum of electric and magnetic fields.

Place, publisher, year, edition, pages
2009. Vol. 52, no 4, 626-630 p.
Keyword [en]
lower hybrid wave, null point, magnetic reconnection
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-148704DOI: 10.1007/s11433-009-0088-zISI: 000264844400018OAI: oai:DiVA.org:uu-148704DiVA: diva2:402845
Available from: 2011-03-10 Created: 2011-03-09 Last updated: 2017-12-11Bibliographically approved

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Vaivads, Andris

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Swedish Institute of Space Physics, Uppsala Division
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