| 无限次微扰理论的分块矩阵法证明 |
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| 引用本文： | 郑兆勃.无限次微扰理论的分块矩阵法证明[J].物理学报,1981,30(7):866-877. |
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| 作者姓名： | 郑兆勃 |
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| 作者单位： | 中国科学技术大学物理系 |
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| 摘 要： | 无限次微扰理论是求解无序体系格林函数的理论方法。此方法是吴式玉教授及其合作者们用“图式法”获得的。本文采用把矩阵分块,求解子矩阵方程的方法,推导了这一理论的结果,从而给出了这一理论的矩阵代数证明。
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| 收稿时间： | 1980-11-18 |
AN ALTERNATE PROOF OF THE INFINITE ORDER PERTURBATION THEORY BY MATRIX PARTITION |
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| ZHENG ZHAO-BO.AN ALTERNATE PROOF OF THE INFINITE ORDER PERTURBATION THEORY BY MATRIX PARTITION[J].Acta Physica Sinica,1981,30(7):866-877. |
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| Authors: | ZHENG ZHAO-BO |
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| Abstract: | Recently, Wu and his coworkers formulated an infinite order perturbation theory for solving the Green's function of a disordered system, using a diagrammatic technique. In this paper, the method of matrix partition is used to obtain the same series of recursion relations, thus providing an algebraic proof for the theory. |
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