1/f(alpha) fluctuations in a ricepile model

Shu-Dong Zhang

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

The temporal fluctuation of the average slope of a ricepile model is investigated. It is found that the power spectrum S(f) scales as 1/f(alpha) with alpha approximate to 1.3 when grains of rice are added only to one end of the pile. If grains are randomly added to the pile, the power spectrum exhibits 1/f(2) behavior. The profile fluctuations of the pile under different driving mechanisms are also discussed.
Original languageEnglish
Pages (from-to)5983-5986
Number of pages4
JournalPhysical Review E
Volume61
Publication statusPublished - 2000

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