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arXiv 0705.3437math-phhep-thmath.MP
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Feynman振幅的非交换完全Mellin表示

Non-Commutative Complete Mellin Representation for Feynman Amplitudes

R. Gurau, A. P. C. Malbouisson, V. Rivasseau, A. Tanasa

摘要:

将费曼振幅的完全梅林(CM)表示推广到非对易量子场论。这种表示法是一种通用的工具。它提供了一个快速证明的亚纯费曼振幅的参数,如时空的维度。特别是它铺平了道路的维重整化这些理论。这个完整的梅林表示还允许研究任何费曼振幅的外部不变量的任意子集的重新缩放下的渐近行为。

英文摘要:

We extend the complete Mellin (CM) representation of Feynman amplitudes to the non-commutative quantum field theories. This representation is a versatile tool. It provides a quick proof of meromorphy of Feynman amplitudes in parameters such as the dimension of space-time. In particular it paves the road for the dimensional renormalization of these theories. This complete Mellin representation also allows the study of asymptotic behavior under rescaling of arbitrary subsets of external invariants of any Feynman amplitude.

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