Properties of the Ammann-Beenker tiling and its square approximants

Abstract

Our understanding of physical properties of quasicrystals owes a great deal to studies of tight-binding models constructed on quasiperiodic tilings. Among the large number of possible quasiperiodic structures, two dimensional tilings are of particular importance -- in their own right, but also for information regarding properties of three dimensional systems. We provide here a users manual for those wishing to construct and study physical properties of the 8-fold Ammann-Beenker quasicrystal, a good starting point for investigations of two dimensional quasiperiodic systems. This tiling has a relatively straightforward construction. Thus, geometrical properties such as the type and number of local environments can be readily found by simple analytical computations. Transformations of sites under discrete scale changes -- called inflations and deflations -- are easier to establish compared to the celebrated Penrose tiling, for example. We have aimed to describe the methodology with a minimum of technicalities but in sufficient detail so as to enable non-specialists to generate quasiperiodic tilings and periodic approximants, with or without disorder. The discussion of properties includes some relations not previously published, and examples with figures.

Review article to appear in Israel Journal of Chemistry

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Cited by in corpus (7)

• Electronic structure and transport in materials with flat bands: 2D materials and quasicrystals
• Identification and properties of topological states in the bulk of quasicrystals
• Missing link between the 2D Quantum Hall problem and 1D quasicrystals
• Mott transition and correlation effects on strictly localized states in an octagonal quasicrystal
• Fragile magnetic order in metallic quasicrystals
• On the origin of energy gaps in quasicrystalline potentials
• Magnetic-Field Tunable Möbius and Higher-Order Topological Insulators in Three-Dimensional Layered Octagonal Quasicrystals