Hyperuniformisation by Lloyd’s algorithm for Centroidal Voronoi diagrams (CROSBI ID 683300)
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Podaci o odgovornosti
Lovrić, Jakov ; Kapfer, Sebastian ; Schaller, Fabian ; Schönhöfer, Philipp ; Klatt, Michael ; Gardiner, Bruce ; Smith, Ana-Sunčana ; Schröder- Turk, Gerd
engleski
Hyperuniformisation by Lloyd’s algorithm for Centroidal Voronoi diagrams
We study an application of centroidal Voronoi diagrams and Lloyds algorithm. The simple idea is that the evolution of points under Lloyd’s algorithm leads to more uniform structures, in a loose sense. We therefore investigated, and found an initial positive result, that Lloyd’s algorithm can be used to achieve hyper-uniform structures when starting from several types of disordered point patterns. We have not found a point pattern where Lloyd’s algorithm does not lead to a hyper-uniform structure. A related, and important, question is whether Lloyd’s algorithm induces crystallisation (i.e. ordering into at least locally crystalline structures) of the point configuration ; one may have thought this possible, given that the body-centered cubic Bravais lattice is considered the configuration with lowest energy w.r.t. the functional used in Lloyd’s algorithm.
Lloyds algorithm ; optimization ; hyperuniform
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Podaci o prilogu
1-1.
2017.
objavljeno
Podaci o matičnoj publikaciji
DPG-Frühjahrstagung
Podaci o skupu
DPG-Frühjahrstagung Dresden 2017
poster
19.03.2017-24.03.2017
Dresden, Njemačka