Chaotic Behavior and Instability of Perturbed sine-Gordon Solitons |
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Authors: | ZHANG ZeLan ZENG LiBo |
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Affiliation: | Department of Analysis and Measurement, Wuhan University, Wuhan 430072, China |
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Abstract: | Solitons of the sine-Gordon system interacting with a disturbed external field are handled by using a direct method. Theoretical analysis reveals that the single soliton perturbed by a periodic field leads to chaotic behavior of the system, and the perturbed double soliton is unstable for most of physically interesting spacetime disturbances. |
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Keywords: | chaos perturbation soliton sine-Gordon equation |
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