Topological defects in 1D elastic waves

2003/04/23 by A. Morales, R. A. Méndez-Sánchez, J. Flores · 1 citation
Engineering · Physics and Astronomy · #Geophysics and Sensor Technology #Mechanical and Optical Resonators #Topological Materials and Phenomena #cond-mat.dis-nn

paper · pdf · doi:10.1016/s1386-9477(03)00233-9

published as Physica E 19, 289 (2003). · 3 pages, 4 figures, accepted in Physica E

arxiv created 2003/04/23 · openalex publication_date 2003/05/28 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

It has been recently shown theoretically that a topological defect in a 1D periodic potential may give rise to two localized states within the energy gaps. In this work we present an experimental realization of this effect for the case of torsional waves in elastic rods. We also show numerically that three, or even more, localized states can be present if the parameters characterizing the topological defect are suitably varied.

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