Critical fluctuations in the Bak-Sneppen model

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• 作者：S. S. Xiao (1)
  C. B. Yang (23) cbyang@mail.ccnu.edu.cn
• 关键词：Statistical and Nonlinear Physics
• 刊名：The European Physical Journal B - Condensed Matter
• 出版年：2012
• 出版时间：May 2012
• 年：2012
• 卷：85
• 期：5
• 页码：DOI: 10.1140/epjb/e2
• 全文大小：182.8 KB
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• 作者单位：1. Department of Computer Science, Central China Normal University, Wuhan, 430079 P.R. China2. Institute of Particle Physics, Central China Normal University, Wuhan, 430079 P.R. China3. Key Laboratory of Quark and Lepton Physics (CCNU), Ministry of Education, Wuhan, 430079 P.R. China
• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Condensed Matter
  Physics
  Complexity
  Fluids
  Solid State Physics and Spectroscopy
  Superconductivity, Superfluidity and Quantum Fluids
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1434-6036

文摘

The critical fluctuation properties of fitness distribution in one-dimensional Bak-Sneppen model are studied in terms of the normalized factorial moments and erraticity moments. For a fitness window above the critical gap, no anomaly scaling of the moments is found, while for a window below the gap intermittent behaviors are observed. The scaling exponent for the BS model is different from that in two dimensional Ising model for second order phase transition.