中文

混沌阈值处的二维耗散映射:对初始条件的敏感性与弛豫动力学

统计力学 2007-05-23 v1

摘要

沿着非广延统计力学的思路,分析了二维映射在混沌边缘对初始条件的敏感性和弛豫动力学。我们验证了Henon映射的熵指数的双重性质,一个(qsen<1q_{sen}<1)与其对初始条件的敏感性相关,另一个依赖于粒度(qrel(W)>1q_{rel}(W)>1),与其向稳态吸引子的弛豫动力学相关。我们还证实了这两个指数之间的标度律,该标度律先前在zz-logistic映射中发现。最后,我们对Henon映射的线性化版本(平滑Lozi映射)进行了初步分析。我们发现所有这些zz-logistic、Henon和Lozi映射的敏感性性质是相同的,qsen=0.2445...q_{sen}=0.2445...

关键词

引用

@article{arxiv.cond-mat/0312683,
  title  = {Two-dimensional dissipative maps at chaos threshold: Sensitivity to initial conditions and relaxation dynamics},
  author = {Ernesto P. Borges and Ugur Tirnakli},
  journal= {arXiv preprint arXiv:cond-mat/0312683},
  year   = {2007}
}

备注

Communication at NEXT2003, Second Sardinian International Conference on News and Expectations in Thermostatistics, Villasimius (Cagliari) Italy, 21-28 September 2003. Submitted to Physica A. Elsevier Latex, 8 pages, 6 eps figures