Driven Intrinsic Localized Modes in a Coupled Pendulum Array

Details Driven Intrinsic Localized Modes in a Coupled Pendulum Array Driven Intrinsic Localized Modes in a Coupled Pendulum Array

2007-10-17

arxiv.org/abs/0710.3373v1

J. Phys. D: Appl. Phys. 41 (2008) 015503.

Nonlinear Sciences

Pattern Formation and Solitons

5 pages, 6 figures

Scientific paper

10.1088/0022-3727/41/1/015503

Intrinsic localized modes (ILMs), also called discrete breathers, are directly generated via modulational instability in an array of coupled pendulums. These ILMs can be stabilized over a range of driver frequencies and amplitudes. They are characterized by a pi-phase difference between their center and wings. At higher driver frequencies, these ILMs are observed to disintegrate via a pulsating instability, and the mechanism of this breather instability is investigated.

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