Abstract
The existence of rotating accelerator-mode islands (RAIs), performing quasiregular motion in rotational resonances of order of the standard map, is firmly established by an accurate numerical analysis of all the known data. It is found that many accelerator-mode islands for relatively small nonintegrability parameter are RAIs visiting resonances of different orders . For sufficiently large , one finds also “pure” RAIs visiting only resonances of the same order, or . RAIs, even quite small ones, are shown to exhibit sufficient stickiness to produce an anomalous chaotic transport. The RAIs are basically different in nature from accelerator-mode islands in resonances of the “forced” standard map which was extensively studied recently in the context of quantum accelerator modes.
3 More- Received 22 December 2006
DOI:https://doi.org/10.1103/PhysRevE.75.056209
©2007 American Physical Society