HYSTERESIS AND RETURN-POINT MEMORY IN DETERMINISTIC CELLULAR-AUTOMATA

被引：16

作者：

GOICOECHEA, J

ORTIN, J

机构：

[1] Departament d'Estructura I Constituents de la Matèria, Facultat de Física, Universitat de Barcelona, Catalonia, 08028 Barcelona, Catalonia

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 72卷 / 14期

关键词：

D O I：

10.1103/PhysRevLett.72.2203

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have investigated hysteresis and the return-point memory (RPM) property in deterministic cellular automata with avalanche dynamics. The RPM property reflects a partial ordering of metastable states, preserved by the dynamics. Recently, Sethna et al. [Phys. Rev. Lett. 70, 3347 (1993)] proved this behavior for a homogeneously driven system with static disorder. This Letter shows that the partial ordering and the RPM can be displayed as well by systems driven heterogeneously, as a result of its own evolution dynamics. In particular, we prove the RPM property for a deterministic 2D sandpile automaton driven at a central site.

引用

页码：2203 / 2206

页数：4

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