PMID: 15245027Jul 13, 2004Paper

Unusually dense crystal packings of ellipsoids

Physical Review Letters
Aleksandar DonevSalvatore Torquato

Abstract

In this Letter, we report on the densest-known packings of congruent ellipsoids. The family of new packings consists of crystal arrangements of spheroids with a wide range of aspect ratios, and with density phi always surpassing that of the densest Bravais lattice packing phi approximately equal to 0.7405. A remarkable maximum density of phi approximately equal to 0.7707 is achieved for maximal aspect ratios larger than sqrt[3], when each ellipsoid has 14 touching neighbors. Our results are directly relevant to understanding the equilibrium behavior of systems of hard ellipsoids, and, in particular, the solid and glassy phases.

References

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Citations

Oct 5, 2013·The Journal of Chemical Physics·Sven Dorosz, Tanja Schilling
Apr 10, 2012·The Journal of Chemical Physics·Gerardo Odriozola
Nov 10, 2006·The Journal of Chemical Physics·Alexandre Tkatchenko, Nikola Batina
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