Novel methods for analytic Feynman integral computation based on algebraic geometry

13 Apr 2024, 14:00
25m

Speaker

Dr Zihao Wu

Description

Feynman integrals are key objects in quantum field theory. They are crucial for the perturbative evaluation of scattering amplitudes, which leads to observables in high-energy experiments. Recently, multi-loop Feynman integral computation has become a popular field. It corresponds to high-precision predictions for experiments. Thus, they are very important for higher-order validation of the Standard Model (SM) and in the search for clues to new physics beyond the SM. Nowadays, multi-loop Feynman integral evaluation is facing challenges brought by its heavy computation. These challenges prevent us from evaluating the Feynman integrals necessary for high-precision experimental processes. In this talk, I will introduce some efforts that we have made to face these challenges. I will demonstrate that some new mathematical tools, like algebraic geometry, are very helpful in developing new algorithms, which, in a great manner, decrease the computation expense for some bottleneck steps in Feynman integral computations. I will also show the latest development of new packages based on these algorithms.

Primary author

Presentation Materials

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