Nonlinear Sciences – Chaotic Dynamics
Scientific paper
2011-10-19
Nonlinear Sciences
Chaotic Dynamics
10 Pages, 14 Figures
Scientific paper
We introduce an optimal phase description of chaotic oscillations by generalizing the concept of isochrones. On chaotic attractors possessing a general phase description, we define the optimal isophases as Poincar\'e surfaces showing return times as constant as possible. The dynamics of the resultant optimal phase is maximally decoupled of the amplitude dynamics, and provides a proper description of phase resetting of chaotic oscillations. The method is illustrated with the R\"ossler and Lorenz systems.
Kralemann Björn
Pikovsky Arkady
Rosenblum Michael
Schwabedal Justus T. C.
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