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Physical Review Letters
Article . 2014 . Peer-reviewed
License: APS Licenses for Journal Article Re-use
Data sources: Crossref
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https://dx.doi.org/10.48550/ar...
Article . 2014
License: arXiv Non-Exclusive Distribution
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Article . 2014
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Magnetic Reconnection and Intermittent Turbulence in the Solar Wind

Authors: K. T. Osman; W. H. Matthaeus; J. T. Gosling; GRECO, Antonella; SERVIDIO, SERGIO; B. Hnat; S. C. Chapman; +1 Authors

Magnetic Reconnection and Intermittent Turbulence in the Solar Wind

Abstract

A statistical relationship between magnetic reconnection, current sheets and intermittent turbulence in the solar wind is reported for the first time using in-situ measurements from the Wind spacecraft at 1 AU. We identify intermittency as non-Gaussian fluctuations in increments of the magnetic field vector, $\mathbf{B}$, that are spatially and temporally non-uniform. The reconnection events and current sheets are found to be concentrated in intervals of intermittent turbulence, identified using the partial variance of increments method: within the most non-Gaussian 1% of fluctuations in $\mathbf{B}$, we find 87%-92% of reconnection exhausts and $\sim$9% of current sheets. Also, the likelihood that an identified current sheet will also correspond to a reconnection exhaust increases dramatically as the least intermittent fluctuations are removed from the dataset. Hence, the turbulent solar wind contains a hierarchy of intermittent magnetic field structures that are increasingly linked to current sheets, which in turn are progressively more likely to correspond to sites of magnetic reconnection. These results could have far reaching implications for laboratory and astrophysical plasmas where turbulence and magnetic reconnection are ubiquitous.

5 pages, 3 figures, submitted to Physical Review Letters

Country
Italy
Keywords

Plasma Physics (physics.plasm-ph), Physics - Space Physics, Physics - Data Analysis, Statistics and Probability, Magnetic Reconnection; Intermittent Turbulence; Solar Wind, FOS: Physical sciences, Time dependent processes, Physics - Plasma Physics, Space Physics (physics.space-ph), Data Analysis, Statistics and Probability (physics.data-an), QB

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
135
Top 1%
Top 10%
Top 1%
Green
bronze