Journal
NONLINEAR DYNAMICS
Volume 67, Issue 1, Pages 159-164Publisher
SPRINGER
DOI: 10.1007/s11071-011-9967-8
Keywords
Spiral drift; Travelling wave modulation; Velocity field
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Funding
- National Nature Science Foundation of China [10871097, 10771104]
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We apply a velocity-field approach to investigate the interaction between spiral waves and the travelling wave modulation of system excitability which leads to a prediction: the direction of the straight-line drift of spiral waves is linearly adjusted by the propagation direction of the travelling waves. Direct numerical computations of the Oregonator model and the formulas of drift-velocity field confirm the validity and robustness of our theoretical prediction.
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