Vol 3 - Landau, Lifshitz - Quantum mechanics - non-relativistic theory (3ed., 1991) · Problem 82.1

The Diatomic Molecule

Physics — Landau & Lifshitz · adiabatic-approximation-electron-nuclear-separation

Problem

Determine the accuracy of the approximation which gives the separation of the electron and nuclear motions in a diatomic molecule.