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Butterfly effect in a chemical oscillator

Budroni, Marcello Antonio and Wodley, F. and Rustici, Mauro (2014) Butterfly effect in a chemical oscillator. European journal of physics, Vol. 35 (4). ISSN 0143-0807. eISSN 1361-6404. Article.

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DOI: 10.1088/0143-0807/35/4/045005

Abstract

The strong sensitivity of aperiodic dynamics to initial conditions is one of the fingerprinting features of chaotic systems. While this dependence can be directly verified by means of numerical approaches, it is quite elusive and difficult to be isolated in real experimental systems. In this paper, we discuss a didactic and self-consistent method to show the divergent behaviour between two infinitesimally different solutions of the famous Belousov–Zhabotinsky oscillator simultaneously undergoing a transition to a chaotic regime. Experimental data are also used to give an intuitive visualization of the essential meaning of a Lyapunov exponent, which allows for a more quantitative characterization of the chaotic transient.

Item Type:Article
ID Code:10067
Status:Published
Refereed:Yes
Uncontrolled Keywords:Chemical chaos, sensitivity to initial conditions, chemical oscillations
Subjects:Area 03 - Scienze chimiche > CHIM/02 Chimica fisica
Divisions:001 Università di Sassari > 01-a Nuovi Dipartimenti dal 2012 > Chimica e Farmacia
Publisher:IOP Publishing
ISSN:0143-0807
eISSN:1361-6404
Deposited On:03 Sep 2014 14:48

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