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Dimensional regularization vs methods in fixed dimension with and without γ5
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DOI：10.1007/JHEP08(2018)109.png)
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摘要
En 中文
We study the Lorentz and Dirac algebra, including the antisymmetric epsilon tensor and the gamma(5) matrix, in implicit gauge-invariant regularization/renormalization methods defined in fixed integer dimensions. They include constrained differential, implicit and four-dimensional renormalization. We find that these fixed-dimension methods face the same difficulties as the different versions of dimensional regularization. We propose a consistent procedure in these methods, similar to the consistent version of regularization by dimensional reduction.
Keyword:
Renormalization Regularization and Renormalons
Anomalies in Field and String Theories
Field Theories in Lower Dimensions
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期刊
IF:
5.5
论文数:
4.0W
被引数:
13.7W
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