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29 October 2025 to 2 November 2025
河南省新乡市 (Xinxiang, Henan)
Asia/Shanghai timezone

EFT operator basis construction and its application

31 Oct 2025, 10:35
30m
金穗厅

金穗厅

Theory Plenary

Speaker

Prof. Hao-Lin Li (Zhongshan University)

Description

We present a general algorithm—the Young Tensor Method—for systematically constructing complete and independent operator bases in effective field theories. This method is applied to a variety of theories, including the Standard Model Effective Field Theory (SMEFT) and low-energy effective field theories. In the process, we introduce the concept of the J-basis, a generalized partial wave basis that facilitates the study of partial wave unitarity bounds and enables the classification of all possible tree-level ultraviolet (UV) completions of effective operators. Furthermore, by constructing the 4-fermion operator basis in Georgi–Glashow-type models, we investigate dynamical chiral symmetry breaking using the functional renormalization group (FRG) approach.

Primary author

Prof. Hao-Lin Li (Zhongshan University)

Presentation materials