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相干重整化与DIA

章扬忠

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相干重整化与DIA

章扬忠

THE COHERENT RENORMALIZATION AND THE DIA

ZHANG YANG-ZHONG
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  • 本文利用相干重整化的概念,从响应函数R和逆介电函数ε-1的基本定义出发,建立了它们的微扰表达式。把所得到的基本关系和MSR体系的类似关系进行比较,指出至少在六级微扰之内二者在形式上符合得相当好,从而验证了相干重整化方案的合理性。对相干重整化与MSR体系之间的差异做了进一步的分析,并对它与DIA的关系做了某些讨论。
    The purturbative expressions for response function R and inverse dielectric function ε-1 has been established in the paper by using the concept of the coherent renormalization according to their primitive definition. By comparing the obtained equations with those in the MSR scheme, we pointed out that the two agree quite well in form with each other at least within the sixth order, and thus justified the reliability of the coherent renormalization. The differences between the two were analysed in more detail and its relation with DIA were also discussed.
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  • 文章访问数:  6016
  • PDF下载量:  549
  • 被引次数: 0
出版历程
  • 收稿日期:  1981-02-09
  • 刊出日期:  2005-07-27

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