Assembly along lines in boundary-driven dynamical system

Kulveer Singh, Yitzhak Rabin

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


We introduce a simple dynamical rule in which each particle locates a particle that is farthest from it and moves towards it. Repeated application of this algorithm results in the formation of unusual dynamical patterns: during the process of assembly the system self-organizes into slices of low particle density separated by lines of increasingly high particle density along which most particles move. As the process proceeds, pairs of lines meet and merge with each other until a single line remains and particles move along it towards the zone of assembly. We show that this pattern is governed by particles (attractors) situated on the instantaneous outer boundary of the system and that both in two and in three dimensions the lines are formed by zigzag motion of a particle towards a pair of nearly equidistant attractors. This novel line-dominated assembly is very different from the local assembly in which particles that move towards their nearest neighbors produce point-like clusters that coalesce into new point-like clusters, etc.

Original languageEnglish
Article number17910
JournalScientific Reports
Issue number1
StatePublished - 29 Nov 2019

Bibliographical note

Publisher Copyright:
© 2019, The Author(s).


We would like to thank Stas Burov, Yoav Soen, David Kessler, Baruch Barzel and Reuven Cohen for valuable discussions. This work was supported by grants from the Israel Science Foundation and from the Israeli Centers for Research Excellence program of the Planning and Budgeting Committee.

FundersFunder number
Israel Science Foundation
Israeli Centers for Research Excellence


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