Browse by author
Lookup NU author(s): James Norman
Full text for this publication is not currently held within this repository. Alternative links are provided below where available.
We investigate the geometrical properties of avalanches in self-organized critical models of solar flares. Traditionally, such models differ from the classical sandpile model in their formulation of stability criteria in terms of the curvature of the nodal field, and belong to a distinct universality class. With a view toward comparing these properties to those inferred from spatially and temporally resolved flare observations, we consider the properties of avalanche peak snapshots, time-integrated avalanches in two and three dimensions, and the two-dimensional projections of the latter. The nature of the relationship between the avalanching volume and its projected area is an issue of particular interest in the solar flare context. Using our simulation results we investigate this relationship, and demonstrate that proper accounting of the fractal nature of avalanches can bring into agreement hitherto discrepant results of observational analyses based on simple, non-fractal geometries for the flaring volume. ©2002 The American Physical Society.
Author(s): McIntosh SW, Charbonneau P, Bogdan TJ, Liu H-L, Norman JP
Publication type: Article
Publication status: Published
Journal: Physical Review E: Statistical, Nonlinear, and Soft Matter Physics
Year: 2002
Volume: 65
Issue: 4
Pages: 046125/1-046125/12
ISSN (print): 1539-3755
ISSN (electronic):
Publisher: American Physical Society
URL: http://dx.doi.org/10.1103/PhysRevE.65.046125
DOI: 10.1103/PhysRevE.65.046125
Altmetrics provided by Altmetric
