Cubic Free Field Theory
arXiv:hep-th/0302043
Abstract
We point out the existence of a class of non-Gaussian yet free "quantum field theories" in 0+0 dimensions, based on a cubic action classified by simple Lie groups. A "three-pronged" version of the Wick theorem applies.
4 pages, Latex2e, Kluwer style file included; talk given at the Cargese 2002 gong-show, july 2002; v2: minor corrections, final version