Growing old nonlinearly

IF 17.6 1区 物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY
Mark Buchanan
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引用次数: 0

Abstract Image

非线性变老
奇怪的是,直到大约 50 年前,这个词在科学界的地位还小得多。科学家们当然清楚非线性相互作用、效应、方程和过程,但很少有人注意到它们的深刻重要性。1953 年著名的费米-帕斯塔-乌兰实验表明,非线性威胁到了统计力学基本假设的合法性,即遍历性概念,也就是一个系统随着时间的推移会遍历所有状态,这样就可以用更容易计算的集合平均值取代时间平均值。从 20 世纪 60 年代起,人们重新发现了动态混沌的普遍性,这使得非线性成为一个家喻户晓的词--至少在物理学家、数学家、气象学家或生态学家的家庭中是这样。但非线性也有其他含义,正如我在吸收最近一篇关于人类衰老的论文所传达的信息时注意到的那样。这篇论文的标题是 "人类衰老过程中多组学特征的非线性动态"(X. Shen et al. Nat. Aging https://doi.org/10.1038/s43587-024-00692-2; 2024)。但这些动态在什么意义上是 "非线性 "的呢?
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来源期刊
Nature Physics
Nature Physics 物理-物理:综合
CiteScore
30.40
自引率
2.00%
发文量
349
审稿时长
4-8 weeks
期刊介绍: Nature Physics is dedicated to publishing top-tier original research in physics with a fair and rigorous review process. It provides high visibility and access to a broad readership, maintaining high standards in copy editing and production, ensuring rapid publication, and maintaining independence from academic societies and other vested interests. The journal presents two main research paper formats: Letters and Articles. Alongside primary research, Nature Physics serves as a central source for valuable information within the physics community through Review Articles, News & Views, Research Highlights covering crucial developments across the physics literature, Commentaries, Book Reviews, and Correspondence.
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