Universality in solar flare and earthquake occurrence
Universality in solar flare and earthquake occurrence
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DOI：
10.1103/physrevlett.96.051102
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发表时间：
2006-02-10
影响因子：
8.6
通讯作者：
Nicodemi, M
中科院分区：
文献类型：
--
作者：
de Arcangelis, L;Godano, C;Nicodemi, M
地震和太阳耀斑是一种涉及巨大而迅速的能量释放的现象，其特点是发生时间复杂。通过分析现有的实验目录，我们证明了这些明显不同现象背后的随机过程具有普遍的性质。也就是说，这两个问题表现出相同的大小分布、互现次数和相同的时间聚类：我们发现耀斑序列具有幂律时间相关性，就像地震序列的Omori定律一样。观察到的普遍性表明，用相同的驱动物理机制来解释这两种现象的共同方法。
Earthquakes and solar flares are phenomena involving huge and rapid releases of energy characterized by complex temporal occurrence. By analyzing available experimental catalogs, we show that the stochastic processes underlying these apparently different phenomena have universal properties. Namely, both problems exhibit the same distributions of sizes, interoccurrence times, and the same temporal clustering: We find after flare sequences with power law temporal correlations as the Omori law for seismic sequences. The observed universality suggests a common approach to the interpretation of both phenomena in terms of the same driving physical mechanism.