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Phys. Rev. E 59, 6356–6360 (1999)

Exactly solvable sandpile with fractal avalanching

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P. Helander1, S. C. Chapman2, R. O. Dendy1,2, G. Rowlands2, and N. W. Watkins3,2
1EURATOM/UKAEA Fusion Association, Culham Science Centre, Abingdon OX14 3DB, United Kingdom
2Department of Physics, Warwick University, Coventry CV4 7AL, United Kingdom
3British Antarctic Survey, Madingley Road, Cambridge CB3 0ET, United Kingdom

Received 13 October 1998; published in the issue dated June 1999

A simple one-dimensional sandpile model is constructed which possesses exact analytical solvability while displaying both scale-free behavior and fractal properties. The sandpile grows by avalanching on all scales, yet its shape and energy content are described by a simple, continuous (but nowhere differentiable) analytical formula. The avalanche energy distribution and the avalanche time series are both power laws with index -1 (“1/f spectra”).

© 1999 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevE.59.6356
DOI:
10.1103/PhysRevE.59.6356
PACS:
05.65.+b, 45.05.+x, 05.40.-a