Gap structures and wave functions of classical waves in large-sized two-dimensional quasiperiodic structures

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Original languageEnglish
Article number54305
Journal / PublicationPhysical Review B - Condensed Matter and Materials Physics
Issue number5
Publication statusPublished - 2006


By using the sparse-matrix canonical-grid method, we performed large-scale multiple-scattering calculations to study the gap structures and wave functions of classical waves in two-dimensional quasiperiodic structures. We observed many interesting phenomena arising from the quasiperiodic long-range order. In particular, a self-similar wave function with resonant structures was observed at a band edge. Our findings indicate that two-dimensional quasiperiodic systems exhibit a universal behavior that applies to both electrons (or phonons) in discrete lattices and classical waves in continuous media. © 2006 The American Physical Society.

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