应用科学学报 ›› 1983, Vol. 1 ›› Issue (1): 83-85.

• 论文 • 上一篇    下一篇

非线性σ模型的无穷小Backlund变换和对称

屠规彰   

  1. 中国科学院计算中心
  • 收稿日期:1981-09-21 出版日期:1983-03-31 发布日期:1983-03-31

INFINITESIMAL BACKLUND TRANSFORMATIONS AND SYMMETRIES OF NONLINEAR σ MODEL

TU GUIZHANG   

  1. Computing Center of Chinese Academy of Sciences
  • Received:1981-09-21 Online:1983-03-31 Published:1983-03-31

摘要: 二维非线性σ模型与粒子物理中著名的杨-Mills方程有关,乃指次之非线性方程组[1~3].

Abstract: An infinite number of symmetries of the nonlinear σ model are obtained and an explicit formula relating these symmetries with conserved densities is given.