Ultraviolet Fixed Points in Gauge and SUSY Field Theories in Extra Dimensions

Physics – High Energy Physics – High Energy Physics - Theory

Scientific paper

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LaTeX, 10pp. v2: Comments and references added

Scientific paper

10.1088/1126-6708/2003/03/020

We consider gauge field theories in $D>4$ following the Wilson RG approach and show that they possess the ultraviolet fixed points where the gauge coupling is dimensionless in any space-time dimension. At the fixed point the anomalous dimensions of the field and vertex operators are known exactly. These fixed points are nonperturbative and correspond to conformal invariant theories. The same phenomenon also happens in supersymmetric theories with the Yukawa type interactions.

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