Dimensional regularization
= Dimensional regularization
{wiki}
Dimensional regularization analytically continues loop integrals from an integer spacetime dimension to $d=d_0-\epsilon$. Ultraviolet logarithms then appear as poles in $1/\epsilon$.
= Dimensional regularization
{wiki}
Dimensional regularization analytically continues loop integrals from an integer spacetime dimension to $d=d_0-\epsilon$. Ultraviolet logarithms then appear as poles in $1/\epsilon$.