2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/54372The functional quantum field theory, developed by Stumpf, provides the possibility to derive the quantum dynamics of a positronium gas from Coulomb interacting electrons and positrons. By this example, the method will be brought in a Clifford algebraic light, through identifying the functional space with an infinite dimensional Euclidean Clifford algebra.LateX (article.sty, orig. was for Kapproc.sty) 19 pages no figures, to appear in proceedings of the `International Conference on the Theory of the Electron' 1995, Cuautitlan Mexico, Z. Oziewic, J. Keller (eds.)High Energy Physics - Theorytext