The Spatio-Temporal Structure of Spiral-Defect Chaos
chao-dyn
2015-06-24 v1 混沌动力学
斑图形成与孤子
patt-sol
摘要
我们报告了对最近发现的一种空间扩展混沌态——螺旋缺陷混沌——的研究。该现象发生在低普朗特数、大宽高比的瑞利-本尔曼对流中。我们采用二维阴影图图像的时间序列的空-时间傅里叶变换的平方模来构建结构因子 。用于表征该混沌态的平均空间和时间尺度。我们发现,相关长度和时间可由简化瑞利数 的幂律函数描述。这些幂律迄今尚无理论解释。
引用
@article{arxiv.chao-dyn/9604013,
title = {The Spatio-Temporal Structure of Spiral-Defect Chaos},
author = {Stephen W. Morris and Eberhard Bodenschatz and David S. Cannell and Guenter Ahlers},
journal= {arXiv preprint arXiv:chao-dyn/9604013},
year = {2015}
}
备注
RevTex 38 pages with 13 figures. Due to their large size, some figures are stored as separate gif images. The paper with included hi-res eps figures (981kb compressed, 3.5Mb uncompressed) is available at ftp://mobydick.physics.utoronto.ca/pub/MBCA96.tar.gz An mpeg movie and samples of data are also available at ftp://mobydick.physics.utoronto.ca/pub/. Paper submitted to Physica D