Self-Structuring of Granular Media under Internal Avalanches
S. Krishnamurthy, V. Loreto, H. J. Herrmann, S. S. Manna, S. Roux
Abstract
We study the phenomenon of internal avalanching within the context of recently proposed ``Tetris'' lattice models for granular media. We define a recycling dynamics under which the system reaches a steady state which is self-structured, i.e. it shows a complex interplay between textured internal structures and critical avalanche behavior. Furthermore we develop a general mean-field theory for this class of systems and discuss possible scenarios for the breakdown of universality.
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