Applied Mathematics and Mechanics (English Edition) ›› 2002, Vol. 23 ›› Issue (8): 987-992.

• Articles • Previous Articles    

PERTURBATION THEORY FOR NONLINEAR KLEIN-GORDON EQUATION

LIU Tian-gui, YAN Jia-ren   

  1. Department of Physics, Hunan Normal University, Changsha 410081, P. R. China
  • Received:2000-06-30 Revised:2001-12-21 Online:2002-08-18 Published:2002-08-18
  • Supported by:
    the National Natural Science Foundation of China(19775013)

Abstract: The effects of perturbations on a nonlinear Klein-Gordon the soliton to the first-order approximation are obtained, namely, the soliton parameters changing slowly with time, and the concrete expression of the first-order correction are got.

2010 MSC Number: 

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