Wave propagation in nonlocal coupled oscillators with noise

The onset of undamped wave propagation in noisy self-oscillatory media is identified with a Hopf bifurcation of the corresponding effective dynamical system obtained by properly renormalizing the effect of noise. We illustrate this fact on a dense array of nonlocally coupled phase oscillators for which a mean-field idea works exactly in deriving such effective dynamical equations.


Published in:
Progress of Theoritical Physics supplyment, 150, 435-438
Year:
2003
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 Record created 2008-02-14, last modified 2018-03-17

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