大学物理 ›› 2015, Vol. 34 ›› Issue (12): 14-14.

• 著者文摘 • 上一篇    下一篇

泊松方程格林函数的傅里叶积分求解

张宏浩   

  1. 中山大学物理科学与工程技术学院,广东广州510275
  • 出版日期:2015-12-25 发布日期:2015-12-20

Fourier integral solution of Green function of Poisson equation

  • Online:2015-12-25 Published:2015-12-20

摘要: 泊松方程的格林函数通常是用高斯定理来求解的,本文给出了用傅里叶变换直接积分求解的方法.在积分时需要选取合适的正规化方法,指出了一种做法的错误,并给出了正确的另一种做法.

关键词: 泊松方程, 格林函数, 傅里叶变换

Abstract: The Green function of the Poisson equation is usually obtained from the Gauss' s theorem. Another way to get the Green function is presented by directly integrating its Fourier transformation expression. Appropriate regularization methods need to be chosen in the integration.A wrong regularization method is pointed out, while acorrect method is given.

Key words: Poisson equation, Green function, Fourier transformation

中图分类号: 

  • O411