DNA的Peyrard-Bishop模型中的孤子和重整化群方法
Solitons in Peyrard-Bishop model of DNA and the Renormalization group method
摘要：
利用重整化群方法研究了DNA分子Peyrard-Bishop模型中的孤子，为微扰分析提供了一种系统的方法。在连续极限和离散极限下进行小振幅展开。我们回顾了连续模型的精确解。此外，我们讨论了孤子解的可靠性，并认为包络传播的群速度与以前的建议相反。
英文摘要：
We investigate solitons in Peyrard-Bishop model of DNA molecule using Renormalization group methods which provide a systematic way for perturbation analysis. Small amplitude expansion is carried out in both the continuous and discrete limits. We review exact solution for the continuous model. Further, we discuss reliability of the solitonic solutions and argue that the envelope should propagate with a group velocity contrary to previous proposals.
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