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A mechanism of macroscopic rigid-body behavior through evanescent mode
The European Physical Journal B ( IF 1.6 ) Pub Date : 2021-05-20 , DOI: 10.1140/epjb/s10051-021-00117-8 Ken Sekimoto , Yanis Mehdi Benane , Karim Elayoubi Alloubia , Romain Arteil , Antoine Fruleux
中文翻译:
渐逝模式下宏观刚体行为的机制
更新日期:2021-05-20
The European Physical Journal B ( IF 1.6 ) Pub Date : 2021-05-20 , DOI: 10.1140/epjb/s10051-021-00117-8 Ken Sekimoto , Yanis Mehdi Benane , Karim Elayoubi Alloubia , Romain Arteil , Antoine Fruleux
Abstract
It has been numerically found that the setup of Newton’s cradle can exhibit a rigid-body like behavior, that is, the target cluster starts to move collectively without emitting the outermost particle if the purely repulsive interaction between the neighbouring particles is very “soft” (Phys. Rev. Lett. 104:124302, 2010). We show theoretically that such an interaction leads to an evanescent mode within the cluster, which delivers the momentum within the cluster without any propagating oscillation.
Graphicabstract
中文翻译:
渐逝模式下宏观刚体行为的机制
摘要
从数字上已经发现,牛顿摇篮的设置可以表现出类似刚体的行为,也就是说,如果相邻粒子之间的纯斥力相互作用非常“柔和”,则目标簇开始集体移动而不会发射最外层粒子( Phys.Rev.Lett.104:124302,2010)。我们从理论上证明,这种相互作用会导致簇内的消失模式,该模式在簇内传递动量而没有任何传播的振荡。