Vacuum polarization in $d+1/2$ dimensions

C. D. Fosco, A. P. C. Malbouisson, I. Roditi

We study the main properties of the one-loop vacuum polarization function (${\Pi }_{\alpha \beta }$) for spinor $QED$ in `$d+1/2$ dimensions', i.e., with fields defined on ${\mathcal M} \subse…