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Connecting packing efficiency of binary hard sphere systems to their intermediate range structure
- Source :
- Phys. Rev. Lett. 127, 278001 (2021)
- Publication Year :
- 2021
-
Abstract
- Using computed x-ray tomography we determine the three dimensional (3d) structure of binary hard sphere mixtures as a function of composition and size ratio of the particles, q. Using a recently introduced four-point correlation function we reveal that this 3d structure has on intermediate and large length scales a surprisingly regular order, the symmetry of which depends on q. The related structural correlation length has a minimum at the composition at which the packing fraction is highest. At this composition also the number of different local particle arrangements has a maximum, indicating that efficient packing of particles is associated with a structure that is locally maximally disordered.
Details
- Database :
- arXiv
- Journal :
- Phys. Rev. Lett. 127, 278001 (2021)
- Publication Type :
- Report
- Accession number :
- edsarx.2109.00189
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevLett.127.278001