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Analytical determination of power-law index for the Chapman et al. sandpile (FSOC) analog for magnetospheric activity - a renormalization-group analysis
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UNSPECIFIED (2000) Analytical determination of power-law index for the Chapman et al. sandpile (FSOC) analog for magnetospheric activity - a renormalization-group analysis. GEOPHYSICAL RESEARCH LETTERS, 27 (9). pp. 1367-1370. ISSN 0094-8276.
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Abstract
Recent suggestion and experimental indications that the magnetotail dynamics exhibit self-organized critical behavior have re-motivated interest in sandpile (avalanche) models. Some examples of specific interest for geomagnetic activity have the property that internal avalanches exhibit inverse power law statistics whereas systemwide avalanches have a well-defined mean. Here, we apply the concept of renormalization group to such a model. We demonstrate that invariant analysis based on the renormalization-group theory can explain the power law distribution of energy release by internal avalanches in the large-scale regime of these systems.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QE Geology | ||||
Journal or Publication Title: | GEOPHYSICAL RESEARCH LETTERS | ||||
Publisher: | AMER GEOPHYSICAL UNION | ||||
ISSN: | 0094-8276 | ||||
Official Date: | 1 May 2000 | ||||
Dates: |
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Volume: | 27 | ||||
Number: | 9 | ||||
Number of Pages: | 4 | ||||
Page Range: | pp. 1367-1370 | ||||
Publication Status: | Published |
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