Abstract
Recent simulation studies on several different models for reaction-diffusion systems have suggested that complex spiral waves with line defects can arise in period-2 oscillatory media. Here, we report the observation of such wave structures in a laboratory experiment. As in the simulation studies, the underlying line-defects do play a significant role governing the morphology and the temporal dynamics of the observed period-2 spiral waves. Various transitions of the line defect are discussed, as well as the emergence of a line-defect at the onset of a period-1 (P-1) to period-2 (P-2) transition. At the onset, an intermittently breathing line defect with the shape of a P-1 spiral emerges. With a subsequent change in a control parameter, the line-defect first dilates and undergoes a meandering transition, producing a compound tip trajectory. Since line defects are a generic property of complex periodic media, the observed phenomena are expected to arise in a broad class of complex periodic systems.
| Original language | English |
|---|---|
| Pages (from-to) | 4-11 |
| Number of pages | 8 |
| Journal | Journal of the Korean Physical Society |
| Volume | 41 |
| Issue number | 1 |
| Publication status | Published - 2002 Jul 1 |
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Keywords
- Belousov-Zhabotinsky reaction
- Complex periodic system
- Line defect
- Meandering spiral wave
- Period-2 spiral wave
ASJC Scopus subject areas
- Physics and Astronomy(all)
Cite this
Formation of a period-2 spiral wave and its subsequent transitions in a Belousov-Zhabotinsky system. / Park, Jin Sung; Woo, Sung Jae; Lee, Kyoung Jin.
In: Journal of the Korean Physical Society, Vol. 41, No. 1, 01.07.2002, p. 4-11.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Formation of a period-2 spiral wave and its subsequent transitions in a Belousov-Zhabotinsky system
AU - Park, Jin Sung
AU - Woo, Sung Jae
AU - Lee, Kyoung Jin
PY - 2002/7/1
Y1 - 2002/7/1
N2 - Recent simulation studies on several different models for reaction-diffusion systems have suggested that complex spiral waves with line defects can arise in period-2 oscillatory media. Here, we report the observation of such wave structures in a laboratory experiment. As in the simulation studies, the underlying line-defects do play a significant role governing the morphology and the temporal dynamics of the observed period-2 spiral waves. Various transitions of the line defect are discussed, as well as the emergence of a line-defect at the onset of a period-1 (P-1) to period-2 (P-2) transition. At the onset, an intermittently breathing line defect with the shape of a P-1 spiral emerges. With a subsequent change in a control parameter, the line-defect first dilates and undergoes a meandering transition, producing a compound tip trajectory. Since line defects are a generic property of complex periodic media, the observed phenomena are expected to arise in a broad class of complex periodic systems.
AB - Recent simulation studies on several different models for reaction-diffusion systems have suggested that complex spiral waves with line defects can arise in period-2 oscillatory media. Here, we report the observation of such wave structures in a laboratory experiment. As in the simulation studies, the underlying line-defects do play a significant role governing the morphology and the temporal dynamics of the observed period-2 spiral waves. Various transitions of the line defect are discussed, as well as the emergence of a line-defect at the onset of a period-1 (P-1) to period-2 (P-2) transition. At the onset, an intermittently breathing line defect with the shape of a P-1 spiral emerges. With a subsequent change in a control parameter, the line-defect first dilates and undergoes a meandering transition, producing a compound tip trajectory. Since line defects are a generic property of complex periodic media, the observed phenomena are expected to arise in a broad class of complex periodic systems.
KW - Belousov-Zhabotinsky reaction
KW - Complex periodic system
KW - Line defect
KW - Meandering spiral wave
KW - Period-2 spiral wave
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UR - http://www.scopus.com/inward/citedby.url?scp=0036021568&partnerID=8YFLogxK
M3 - Article
AN - SCOPUS:0036021568
VL - 41
SP - 4
EP - 11
JO - Journal of the Korean Physical Society
JF - Journal of the Korean Physical Society
SN - 0374-4884
IS - 1
ER -