COLLECTIVE ROTATION IN COUPLED PARAMETRICALLY-DRIVEN PENDULUMS

Ryoichi Kawai (), Nathan Williams and Lauren Rast
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Ryoichi Kawai: Department of Physics, University of Alabama at Birmingham, Birmingham, Alabama 35294, USA
Nathan Williams: Department of Physics, University of Alabama at Birmingham, Birmingham, Alabama 35294, USA
Lauren Rast: Department of Physics, University of Alabama at Birmingham, Birmingham, Alabama 35294, USA

International Journal of Modern Physics C (IJMPC), 2002, vol. 13, issue 09, 1201-1210

Abstract: Collective instabilities in globally coupled pendulums driven by parametric modulation is numerically investigated. Parametric instabilities are suppressed by mutual synchronization despite individual pendulums are under a parametric resonance condition. On the other hand, continuous collective rotation can be parametrically excited with certain modulation frequencies outside the regular parametric resonance.

Keywords: Coupled oscillators; parametric resonance; noise-induced phase transition; synchronization (search for similar items in EconPapers)
Date: 2002
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DOI: 10.1142/S0129183102004066

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