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The operator algebra at the Gaussian fixed-point
International Journal of Modern Physics A ( IF 1.4 ) Pub Date : 2021-06-02 , DOI: 10.1142/s0217751x21501062 H. Sonoda 1
International Journal of Modern Physics A ( IF 1.4 ) Pub Date : 2021-06-02 , DOI: 10.1142/s0217751x21501062 H. Sonoda 1
Affiliation
We consider the multiple products of relevant and marginal scalar composite operators at the Gaussian fixed-point in D = 4 dimensions. This amounts to perturbative construction of the ϕ 4 theory where the parameters of the theory are momentum-dependent sources. Using the exact renormalization group (ERG) formalism, we show how the scaling properties of the sources are given by the short-distance singularities of the multiple products.
中文翻译:
高斯不动点处的算子代数
我们考虑相关和边际标量复合算子在高斯不动点的多重乘积D = 4 方面。这相当于扰动构造φ 4 理论参数是动量依赖源。使用精确重整化群 (ERG) 形式,我们展示了源的缩放属性如何由多个产品的短距离奇点给出。
更新日期:2021-06-02
中文翻译:
高斯不动点处的算子代数
我们考虑相关和边际标量复合算子在高斯不动点的多重乘积