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A colloidal viewpoint on the sausage catastrophe and the finite sphere packing problem

Marín-Aguilar, Susana ; Camerin, Fabrizio LU orcid ; van der Ham, Stijn ; Feasson, Andréa ; Vutukuri, Hanumantha Rao and Dijkstra, Marjolein (2023) In Nature Communications 14(1).
Abstract

It is commonly believed that the most efficient way to pack a finite number of equal-sized spheres is by arranging them tightly in a cluster. However, mathematicians have conjectured that a linear arrangement may actually result in the densest packing. Here, our combined experimental and simulation study provides a physical realization of the finite sphere packing problem by studying arrangements of colloids in a flaccid lipid vesicle. We map out a state diagram displaying linear, planar, and cluster conformations of spheres, as well as bistable states which alternate between cluster-plate and plate-linear conformations due to membrane fluctuations. Finally, by systematically analyzing truncated polyhedral packings, we identify clusters... (More)

It is commonly believed that the most efficient way to pack a finite number of equal-sized spheres is by arranging them tightly in a cluster. However, mathematicians have conjectured that a linear arrangement may actually result in the densest packing. Here, our combined experimental and simulation study provides a physical realization of the finite sphere packing problem by studying arrangements of colloids in a flaccid lipid vesicle. We map out a state diagram displaying linear, planar, and cluster conformations of spheres, as well as bistable states which alternate between cluster-plate and plate-linear conformations due to membrane fluctuations. Finally, by systematically analyzing truncated polyhedral packings, we identify clusters of 56 ≤ N ≤ 70 number of spheres, excluding N = 57 and 63, that pack more efficiently than linear arrangements.

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Please use this url to cite or link to this publication:
author
; ; ; ; and
publishing date
type
Contribution to journal
publication status
published
in
Nature Communications
volume
14
issue
1
article number
7896
publisher
Nature Publishing Group
external identifiers
  • pmid:38036561
  • scopus:85178193820
ISSN
2041-1723
DOI
10.1038/s41467-023-43722-0
language
English
LU publication?
no
additional info
Publisher Copyright: © 2023, The Author(s).
id
01b4dc19-74f6-4cf7-b4a8-bf185fe5e774
date added to LUP
2024-02-22 13:57:41
date last changed
2024-09-10 13:25:27
@article{01b4dc19-74f6-4cf7-b4a8-bf185fe5e774,
  abstract     = {{<p>It is commonly believed that the most efficient way to pack a finite number of equal-sized spheres is by arranging them tightly in a cluster. However, mathematicians have conjectured that a linear arrangement may actually result in the densest packing. Here, our combined experimental and simulation study provides a physical realization of the finite sphere packing problem by studying arrangements of colloids in a flaccid lipid vesicle. We map out a state diagram displaying linear, planar, and cluster conformations of spheres, as well as bistable states which alternate between cluster-plate and plate-linear conformations due to membrane fluctuations. Finally, by systematically analyzing truncated polyhedral packings, we identify clusters of 56 ≤ N ≤ 70 number of spheres, excluding N = 57 and 63, that pack more efficiently than linear arrangements.</p>}},
  author       = {{Marín-Aguilar, Susana and Camerin, Fabrizio and van der Ham, Stijn and Feasson, Andréa and Vutukuri, Hanumantha Rao and Dijkstra, Marjolein}},
  issn         = {{2041-1723}},
  language     = {{eng}},
  number       = {{1}},
  publisher    = {{Nature Publishing Group}},
  series       = {{Nature Communications}},
  title        = {{A colloidal viewpoint on the sausage catastrophe and the finite sphere packing problem}},
  url          = {{http://dx.doi.org/10.1038/s41467-023-43722-0}},
  doi          = {{10.1038/s41467-023-43722-0}},
  volume       = {{14}},
  year         = {{2023}},
}