Cusp Bursting and Slow-Fast Analysis with Two Slow Parameters in Photosensitive Belousov–Zhabotinsky Reaction  

作　　者：LI Xiang-Hong BI Qin-Sheng 李向红;毕勤胜(Department of Mathematics and Physics,Shijiazhuang Tiedao University,Shijiazhuang 050043;Faculty of Civil Engineering and Mechanics,Jiangsu University,Zhenjiang 212013)

机构地区：[1]Department of Mathematics and Physics,Shijiazhuang Tiedao University,Shijiazhuang 050043 [2]Faculty of Civil Engineering and Mechanics,Jiangsu University,Zhenjiang 212013

出　　处：《Chinese Physics Letters》2013年第7期30-33,共4页中国物理快报（英文版）

基　　金：Supported by the National Natural Science Foundation of China under Grant Nos 21276115 and 11272135.

摘　　要：By introducing weakly periodic perturbation given by light,the three-variable model of photosensitive Belousov–Zhabotinsky reaction with two time scales may possess two slow processes.The codimension-2 bursting called cusp bursting is novel,especially the phenomenon that is of the transiently quiescent state mixed among repetitively large amplitude oscillations.The slow-fast dynamics analysis with two slow parameters,based on overlapping the codimension-2 bifurcation diagram of the fast subsystem with the 3-dimensional transition phase portrait of the whole system,is proposed to reveal the bifurcation mechanism of bursting oscillation with two slow variables.The adjustment behavior of slow parameters is used to explain the transformation between the spiking state and quiescent state.

关 键 词：state. bifurcation WEAKLY 

分 类 号：O17[理学—数学]