Origin of 18-fold quasicrystal

Origin of 18-fold quasicrystal

We investigate the origin of the 18-fold symmetry in quasicrystals. We perform Monte Carlo simulations of 2D disks interacting with the hard-core/square-shoulder potential, and we analyze the bond-orientational order and the local vertex configurations. We find that the so-called special clusters of...

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Veröffentlicht in:Journal of physics. Conference series 2017-02, Vol.809 (1), p.12003
Hauptverfasser: Bekku, S, Ziherl, P, Dotera, T
Format: Artikel
Sprache:eng
Schlagworte:
Diffraction patterns
Disks
Physics
Quasicrystals
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Zusammenfassung:We investigate the origin of the 18-fold symmetry in quasicrystals. We perform Monte Carlo simulations of 2D disks interacting with the hard-core/square-shoulder potential, and we analyze the bond-orientational order and the local vertex configurations. We find that the so-called special clusters of particles play a crucial role in the mixing of the three sets of bond directions 20° apart, producing the 18-fold diffraction pattern.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/809/1/012003