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Renormalization Group Method for Soliton Evolution in a Perturbed KdV Equation |
| TU Tao, WANG Lin-Jun, HAO Xiao-Jie, GUO Guang-Can, GUO Guo-Ping |
| Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026 |
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TU Tao, WANG Lin-Jun, HAO Xiao-Jie et al 2009 Chin. Phys. Lett. 26 060501 |
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Abstract We show that the conventional renormalization group method can be used to give an analytic description of the evolution of a soliton in a perturbed KdV equation. The renormalization group equations describe the deformation of the soliton as the effect of perturbations. The method is concise and easy to understand and the results obtained agree with the results of other approaches.
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05.10.Cc
05.45.Yv
64.60.Ae
02.30.Mv
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Received: 21 November 2008
Published: 01 June 2009
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