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An explicit expression of generating function for one-loop tensor reduction

delete2024-02-21
delete3
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OA
AI
C
Chang Hu
T
Tingfei Li
J
Jiyuan Shen *
Y
Yongqun Xu
DOI:10.1007/JHEP02(2024)158delete
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摘要

摘要

En 中文
This work introduces an explicit expression for the generating function for the reduction of an n-gon to an (n - k)-gon. A novel recursive relation of generating function is formulated based on Feynman Parametrization in projective space, involving a single ordinary differential equation. The explicit formulation of generating functions provides crucial insights into the complex analytic structure inherent in loop amplitudes.
Keyword:
Higher-Order Perturbative Calculations
Field Theories in Higher Dimensions
Scattering Amplitudes

期刊

Journal of High Energy Physics 封面图
Journal of High Energy Physics
IF:
5.5
论文数:
4.0W
被引数:
13.7W

机构

I
institute of theoretical physics, cas
学者数:
482
论文数: 455
被引数: 0
C
chinese academy of sciences
学者数:
56.7W
论文数: 45.0W
被引数: 704
Z
zhejiang university
学者数:
17.7W
论文数: 12.1W
被引数: 152
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