A New Completly Separable Molecule-like Fourbody System

Authors: Essén, H.
Document Type: Article
Pubstate: Published
Journal: Phys. Lett.
Volume: A 133   56-58
Year: 1988


If the nuclear—electronic Coulomb attractions in the hydrogen molecule are replaced by harmonic well attractions the resulting system can be completely separated and thus solved exactly. The system retains features of real molecules so it can serve to test the standard approximations.