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Article Dans Une Revue Physical Review Letters Année : 2017

Revealing the Topology of Quasicrystals with a Diffraction Experiment

Résumé

Topological properties of crystals and quasicrystals is a subject of recent and growing interest. This Letter reports an experiment where, for certain quasicrystals, these properties can be directly retrieved from diffraction. We directly observe, using an interferometric approach, all the topological invariants of finite-length Fibonacci chains in their diffraction pattern. We also demonstrate quantitatively the stability of these topological invariants with respect to structural disorder.
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Dates et versions

hal-03363330 , version 1 (19-12-2023)

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A. Dareau, E. Levy, M. Bosch Aguilera, R. Bouganne, E. Akkermans, et al.. Revealing the Topology of Quasicrystals with a Diffraction Experiment. Physical Review Letters, 2017, 119 (21), ⟨10.1103/PhysRevLett.119.215304⟩. ⟨hal-03363330⟩
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