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arXiv · 2201.11848

Hexagonal and trigonal quasiperiodic tilings

Sam Coates·Akihisa Koga·Toranosuke Matsubara·Ryuji Tamura·Hem Raj Sharma·Ronan McGrath·Ron Lifshitz
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Abstract

Exploring nonminimal-rank quasicrystals, which have symmetries that can be found in both periodic and aperiodic crystals, often provides new insight into the physical nature of aperiodic long-range order in models that are easier to treat. Motivated by the prevalence of experimental systems exhibiting aperiodic long-range order with hexagonal and trigonal symmetry, we introduce a generic two-parameter family of 2-dimensional quasiperiodic tilings with such symmetries. We focus on the special case of trigonal and hexagonal Fibonacci, or golden-mean, tilings, analogous to the well studied square Fibonacci tiling. We first generate the tilings using a generalized version of de Bruijn's dual grid method. We then discuss their interpretation in terms of projections of a hypercubic lattice from six dimensional superspace. We conclude by concentrating on two of the hexagonal members of the family, and examining a few of their properties more closely, while providing a set of substitution rules for their generation.

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Sam Coates, Akihisa Koga, Toranosuke Matsubara, Ryuji Tamura, Hem Raj Sharma, Ronan McGrath, Ron Lifshitz. 2022-01-20. Hexagonal and trigonal quasiperiodic tilings. https://doi.org/10.1002/ijch.202300100

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