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標題: Some scaling behaviors in a circle map with two inflection points
作者: Tseng, H.C.
Tai, M.F.
Chen, H.J.
Li, P.C.
Chou, C.H.
Hu, C.K.
關鍵字: mode-locking;josephson-junctions;dissipative systems;fractal;dimension;devils staircase;chaos;universality;transition
Project: International Journal of Modern Physics B
期刊/報告no:: International Journal of Modern Physics B, Volume 13, Issue 26, Page(s) 3149-3158.
By investigating numerically a circle map with two cubic inflection points, we find that the fractal dimension D of the set of quasiperiodic windings at the onset of chaos has a variety of values, instead of a unique value like 0.87. This fact strongly suggests that a family of universality classes of D appears as the map has two various inflection points. On the other hand, at the quasiperiodic transition with the golden mean winding number, the ratios delta(n) of the width of the mode lockings when going from one Fibonacci level to the next do not converge to a fixed value or a limit cycle in most cases. In this sense, local scaling is broken due to the interaction of the two inflection points of the map. Based on the above observations, it seems that the global scaling is more robust than the local one, at least for the maps we considered.
ISSN: 0217-9792
DOI: 10.1142/s0217979299002915
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