Universal decay of classical Loschmidt echo of neutrally stable but mixing dynamics

Details Universal decay of classical Loschmidt echo of neutrally stable but mixing dynamics Universal decay of classical Loschmidt echo of neutrally stable but mixing dynamics

2004-09-08

arxiv.org/abs/nlin/0409018v1

Nonlinear Sciences

Chaotic Dynamics

4 Pages in Revtex with 4 eps-figs

Scientific paper

We provide analytical and numerical evidence that classical mixing systems
which lack exponential sensitivity on initial conditions, exhibit universal
decay of Loschmidt echo which turns out to be a function of a single scaled
time variable delta^(2/5)t, where delta is the strength of perturbation. The
role of dynamical instability and entropy production is discussed.

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