Article

Control of Turing pattern formation by delayed feedback.

School of Science, Beijing Institute of Technology, Beijing 100081, China.
Physical Review E (impact factor: 2.26). 05/2004; 69(4 Pt 2):046205. pp.046205
Source: PubMed

ABSTRACT The effect of the global delayed feedback technique on Turing pattern formation is investigated in the modified Lengyel-Epstein two-variable model. Feedback intensity, delay time, and feedback-imposing time (the period of time that feedback is present in the system) are all found to be of significant influence on Turing pattern formation time. Under appropriate parameter settings, delayed feedback could suppress or induce the Turing pattern if the feedback intensity is strong enough.

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Keywords

appropriate parameter settings
 
feedback intensity
 
feedback technique
 
feedback-imposing time
 
global
 
modified Lengyel-Epstein two-variable model
 
significant influence
 
Turing pattern
 
Turing pattern formation
 
Turing pattern formation time
 

Qian-Shu Li