Roles

Student author: Mara Anderson

Document Type

Article

Publication Date

6-2-2009

Department

Physics

Language

English

Publication Title

Physical Review Letters

Abstract

In this work, we present a mechanical example of an experimental realization of a stability reversal between on-site and intersite centered localized modes. A corresponding realization of a vanishing of the Peierls-Nabarro barrier allows for an experimentally observed enhanced mobility of the localized modes near the reversal point. These features are supported by detailed numerical computations of the stability and mobility of the discrete breathers in this system of forced and damped coupled pendula. Furthermore, additional exotic features of the relevant model, such as dark breathers are briefly discussed.

Comments

This published version is made available on Dickinson Scholar with the permission of the publisher. For more information on the published version, visit American Physical Society's Website.

© 2009 The American Physical Society

DOI

10.1103/PhysRevLett.102.224101

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