日鞘:扩散熵分析和非扩展性q-三重态
Heliosheath: Diffusion Entropy Analysis and Nonextensivity q-Triplet
摘要:
本文基于扩散熵分析和标准差分析,研究了旅行者一号观测到的日球层磁场强度起伏的标度行为。Voyager-I数据集具有标度行为,可能遵循Levy型概率分布。一个一般的分数阶空间和时间扩散模型可以用来解释这种列维型行为相比,高斯行为。这一结果证实了早期的日光层磁场强度波动的标度行为的基础上,非广泛的统计力学导致的nonextensivity q-三重态的确定的研究。
英文摘要:
In this paper we investigate the scaling behavior, based on Diffusion Entropy Analysis and Standard Deviation Analysis, of the magnetic field strength fluctuations recorded by Voyager-I in the heliosphere. The Voyager-I data set exhibits scaling behavior and may follow Levy-type probability distribution. A general fractional-order spatial and temporal diffusion model could be utilized for the interpretation of this Levy-type behavior in comparison to Gaussian behavior. This result confirms earlier studies of scaling behavior of the heliospheric magnetic field strength fluctuations based on non-extensive statistical mechanics leading to the determination of the nonextensivity q-triplet.
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