关于核流算符的威尔逊重正化群方程
核理论
2008-11-26 v1
摘要
我们提出了最近推导出的核流算符威尔逊重正化群 (RG) 方程的解。为了消除 RG 方程本身现有的模糊性，我们引入了一个新条件，指定对应于带有流算符插入的双体传播子的五点格林函数的截断无关性。随后证明，所得的有效流算符服从修正的 Ward-Takahashi 恒等式，该恒等式不同于通常的恒等式，但仍导致流守恒。
引用
@article{arxiv.0706.4277,
title = {On the Wilsonian renormalization group equation for nuclear current operators},
author = {A. N. Kvinikhidze and B. Blankleider},
journal= {arXiv preprint arXiv:0706.4277},
year = {2008}
}
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