中国物理B ›› 1995, Vol. 4 ›› Issue (3): 161-168.doi: 10.1088/1004-423X/4/3/001

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THE POWER SPECTRUM OF THE MASS IN A SANDPILE MODEL WITH STOCHASTIC SLIDE

欧阳华甫1, 黄祖洽1, 丁鄂江2   

  1. (1)Institute of Low Energy Nuclear Physics, Beijing Normal University, Beijing 100875, China; (2)Institute of Low Energy Nuclear Physics, Beijing Normal University, Beijing 100875, China;Institute of Theoretical Physics, Academia Sinica, Beijing 100080, China
  • 收稿日期:1994-04-05 出版日期:1995-03-20 发布日期:1995-03-20
  • 基金资助:
    Project supported by the National Basic Research Project "Nonlinear Science" and by the Education Commission of the State Council through the Foundation of Doctoral Training.

THE POWER SPECTRUM OF THE MASS IN A SANDPILE MODEL WITH STOCHASTIC SLIDE

OUYANG HUA-FU (欧阳华甫)a, HUANG ZU-QIA (黄祖洽)a, DING E-JIANG (丁鄂江)b   

  1. a Institute of Low Energy Nuclear Physics, Beijing Normal University, Beijing 100875, China; b Institute of Low Energy Nuclear Physics, Beijing Normal University, Beijing 100875, China;Institute of Theoretical Physics, Academia Sinica, Beijing 100080, China
  • Received:1994-04-05 Online:1995-03-20 Published:1995-03-20
  • Supported by:
    Project supported by the National Basic Research Project "Nonlinear Science" and by the Education Commission of the State Council through the Foundation of Doctoral Training.

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Abstract: The power spectrum of the mass in a theoretical sandpile model with stochastic slide is examined. The simulations show that the power spectrum has the form of l/f$\alpha$, and the exponent $\alpha$ may vary with the average time interval (T) between the successive events af the sands flowing off the sandpile. The conditions of generating 1/f noise are also discussed.

中图分类号:  (Noise)

  • 05.40.Ca
02.50.Ey (Stochastic processes)