2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/50287The space-like asymptotic limit of the bilocal composite field of the state consisting of a nucleus and an electron is studied. It is shown that the resulting local field of an atom satisfies the proper commutation relations in the sub-Fock-space of the atom.4pagesHigh Energy Physics - Theorytext