The operator algebra at the Gaussian fixed-point
نویسندگان
چکیده
We consider the multiple products of relevant and marginal scalar composite operators at Gaussian fixed-point in [Formula: see text] dimensions. This amounts to perturbative construction theory where parameters are momentum-dependent sources. Using exact renormalization group (ERG) formalism, we show how scaling properties sources given by short-distance singularities products.
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ژورنال
عنوان ژورنال: International Journal of Modern Physics A
سال: 2021
ISSN: ['0217-751X', '1793-656X']
DOI: https://doi.org/10.1142/s0217751x21501062