1·In the minimum electromagnetismcoupling model of interaction between photonand electron(antielectron), we obtain the renormalization finite quantity of photon chain propagator.
采用光子与电子（正电子）的最小电磁耦合模型，获得了光子链图传播子重整化的有限量。
2·A new renormalization mathematics method of treating linear or nonlinear questions is used in solving parallel-kinetic equation in collision plasmas.
用一种新的处理线性或非线性方程的重整化数学方法求解了碰撞等离子体中的平行动力学方程。
3·As an example, we app it to calculate the thermodynamic potential of two-loop QED and the renormalization.
作为应用的例子，计算了QED的双圈热力学势及其重整化。
4·Thermal Renormalization Group equations are derived in the framework of Closed Time Path formalism in real time temperature field theory.
在闭合时间路径的实时温度场论的框架下，导出了热重整化群方程。
5·Wilson's Numerical Renormalization Group (NRG) method is such a celebrated example, which is also the focus of this thesis.
威尔逊的数值重整化群方法(NRG)是其中一个很著名的例子，同时也是本论文讨论的中心所在。