Time-oscillating Lyapunov modes and auto-correlation functions for quasi-one-dimensional systems

Details Time-oscillating Lyapunov modes and auto-correlation functions for quasi-one-dimensional systems Time-oscillating Lyapunov modes and auto-correlation functions for quasi-one-dimensional systems

2004-04-29

arxiv.org/abs/nlin/0404052v1

Phys. Rev. Lett. 94, 154101 (2005)

Nonlinear Sciences

Chaotic Dynamics

4 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.94.154101

The time-dependent structure of the Lyapunov vectors corresponding to the steps of Lyapunov spectra and their basis set representation are discussed for a quasi-one-dimensional many-hard-disk systems. Time-oscillating behavior is observed in two types of Lyapunov modes, one associated with the time translational invariance and another with the spatial translational invariance, and their phase relation is specified. It is shown that the longest period of the Lyapunov modes is twice as long as the period of the longitudinal momentum auto-correlation function. A simple explanation for this relation is proposed. This result gives the first quantitative connection between the Lyapunov modes and an experimentally accessible quantity.

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