Generalized coupling in the Kuramoto model

G. Filatrella, Niels Falsig Pedersen, K. Wiesenfeld

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Abstract

We propose a modification of the Kuramoto model to account for the effective change in the coupling constant among the oscillators, as suggested by some experiments on Josephson junction, laser arrays, and mechanical systems, where the active elements are turned on one by one. The resulting model is analytically tractable and predicts that both first and second order phase transitions are possible, depending upon the value of a new parameter that tunes the coupling among the oscillators. Numerical simulations of the model are in accordance with the analytical estimates, and in qualitative agreement with the behavior of Josephson junctions coupled via a cavity.
Original languageEnglish
JournalPhysical Review E
Volume75
Issue number1
Pages (from-to)017201
ISSN2470-0045
DOIs
Publication statusPublished - 2007

Bibliographical note

Copyright 2007 American Physical Society

Keywords

  • SYSTEMS
  • SYNCHRONIZATION
  • LONG JOSEPHSON-JUNCTIONS
  • ARRAYS
  • EMISSION

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