Phys. Rev. Lett. 86, 5490 - 5493 (2001)Avalanches in One-Dimensional Piles with Different Types of Bases |
E. Altshuler, O. Ramos, C. Martínez, L. E. Flores, and C. Noda
Superconductivity Laboratory, IMRE-Physics Faculty, University of Havana, 10400 La Habana, Cuba
Received 1 October 1999; revised 30 October 2000
We perform a systematic experimental study of the influence of the type of base on the avalanche dynamics of slowly driven 1D ball piles. The control of base details allows us to explore a wide spectrum of pile structures and dynamics. The scaling properties of the observed avalanche distributions suggest that self-organized critical behavior is approached as the “base-induced” disorder at the pile profile increases.
©2001 The American Physical Society
URL: http://link.aps.org/abstract/PRL/v86/p5490
DOI: 10.1103/PhysRevLett.86.5490
PACS: 45.70.Ht, 05.65.+b
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