Geometrically relating momentum cut-off and dimensional regularization

Details Geometrically relating momentum cut-off and dimensional regularization Geometrically relating momentum cut-off and dimensional regularization

2011-07-27

arxiv.org/abs/1107.5533v1

Physics

Mathematical Physics

11 pages

Scientific paper

The $\beta$ function for a scalar field theory describes the dependence of the coupling constant on the renormalization mass scale. This dependence is affected by the choice of regularization scheme. I explicitly relate the $\beta$-functions of momentum cut-off regularization and dimensional regularization on scalar field theories by a gauge transformation using the Hopf algebras of the Feynman diagrams of the theories.

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