Observation of bending wave localization and quasi mobility edge in two dimensions

Ling Ye, George Cody, Minyao Zhou, Ping Sheng, Andrew N. Norris

Research output: Contribution to journalArticlepeer-review

42 Scopus citations

Abstract

Localization of bending waves is observed on a steel plate decorated with Lucite blocks. A significant experimental feature of the localized modes is an exponential decay of the mode intensity from their peaked centers, with a decay length that increases as (f0-f)-1 when the mode frequency f approaches a quasi mobility edge f0. Our experimental results, together with finite-element calculations, support the mechanism of strong bending wave scattering by the Lucite block resonances as the source of the localization phenomenon.

Original languageEnglish (US)
Pages (from-to)3080-3083
Number of pages4
JournalPhysical review letters
Volume69
Issue number21
DOIs
StatePublished - 1992

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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