Diffusion and localization for the Chirikov typical map

Abstract

We consider the classical and quantum properties of the "Chirikov typical map", proposed by Boris Chirikov in 1969. This map is obtained from the well known Chirikov standard map by introducing a finite number $T$ of random phase shift angles. These angles induce a random behavior for small time scales ($t<T$) and a $T$-periodic iterated map which is relevant for larger time scales ($t>T$). We identify the classical chaos border $k_c\sim T^{-3/2}\ll 1$ for the kick parameter $k$ and two regimes with diffusive behavior on short and long time scales. The quantum dynamics is characterized by the effect of Chirikov localization (or dynamical localization). We find that the localization length depends in a subtle way on the two classical diffusion constants in the two time-scale regime.

11 pages, 10 figures A small paragraph of explanations added below Eq. (13)

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