A Feynman integral in Lifshitz-point and Lorentz-violating theories in $R^D\oplus R^m$

R. B. Paris, M. A. Shpot

We evaluate a one-loop, two-point, massless Feynman integral $I_{D,m}(p,q)$ relevant for perturbative field theoretic calculations in strongly anisotropic $d=D+m$ dimensional space…