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- Deng, X. H. (author)
Dynamics and waves near multiple magnetic null points in reconnection diffusion region
- Article/chapterEnglish2009
Publisher, publication year, extent ...
- Blackwell Publishing,2009
- printrdacarrier
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- LIBRIS-ID:oai:DiVA.org:kth-253233
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-253233URI
- https://doi.org/10.1029/2008JA013197DOI
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-148298URI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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- QC 20190625
- Identifying the magnetic structure in the region where the magnetic field lines break and how reconnection happens is crucial to improving our understanding of three-dimensional reconnection. Here we show the in situ observation of magnetic null structures in the diffusion region, the dynamics, and the associated waves. Possible spiral null pair has been identified near the diffusion region. There is a close relation among the null points, the bipolar signature of the Z component of the magnetic field, and enhancement of the flux of energetic electrons up to 100 keV. Near the null structures, whistler-mode waves were identified by both the polarity and the power law of the spectrum of electric and magnetic fields. It is found that the angle between the fans of the nulls is quite close to the theoretically estimated maximum value of the group-velocity cone angle for the whistler wave regime of reconnection.
Subject headings and genre
- NATURVETENSKAP Fysik hsv//swe
- NATURAL SCIENCES Physical Sciences hsv//eng
- Physics
- Fysik
Added entries (persons, corporate bodies, meetings, titles ...)
- Zhou, M. (author)
- Li, S. Y. (author)
- Baumjohann, W. (author)
- André, MatsUppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen(Swepub:uu)maand125 (author)
- Cornilleau, N. (author)
- Santolik, O. (author)
- Pontin, D. I. (author)
- Reme, H. (author)
- Lucek, E. (author)
- Fazakerley, A. N. (author)
- Decreau, P. (author)
- Daly, P. (author)
- Nakamura, R. (author)
- Tang, R. X. (author)
- Hu, Y. H. (author)
- Pang, Y. (author)
- Buechner, J. (author)
- Zhao, H. (author)
- Vaivads, AndrisUppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen(Swepub:uu)anvai517 (author)
- Pickett, J. S. (author)
- Ng, C. S. (author)
- Lin, X. (author)
- Fu, S. (author)
- Yuan, Z. G. (author)
- Su, Z. W. (author)
- Wang, J. F. (author)
- Uppsala universitetInstitutet för rymdfysik, Uppsalaavdelningen (creator_code:org_t)
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- In:Journal of Geophysical Research: Blackwell Publishing114:70148-02272156-2202
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- Santolik, O.
- Pontin, D. I.
- Reme, H.
- Lucek, E.
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- Decreau, P.
- Daly, P.
- Nakamura, R.
- Tang, R. X.
- Hu, Y. H.
- Pang, Y.
- Buechner, J.
- Zhao, H.
- Vaivads, Andris
- Pickett, J. S.
- Ng, C. S.
- Lin, X.
- Fu, S.
- Yuan, Z. G.
- Su, Z. W.
- Wang, J. F.
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