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An approximation fixing the nucleus at the origin and neglecting recoil, controlled by the electron-to-nucleus mass ratio.
wp-physics-infinite_nuclear_mass_approximationnist-atomic-spectroscopynist-codataEach relation below ends at this concept.
This is an authored directed relation from the source endpoint to the target endpoint.
Fixing the nucleus is controlled by small electron-to-nuclear mass ratios, but precision work restores recoil and mass-polarization terms.
The target is recovered from the source either in a stated mathematical or asymptotic limit, or through a quantitatively controlled approximation with identified small parameters or omitted terms. The edge label and detail must state which case applies and its regime of validity.
wp-physics-infinite_nuclear_mass_approximationnist-atomic-spectroscopywp-physics-atomic_hamiltoniannlab-physics-hamiltonianEach relation below starts at this concept.
No direct relations are authored in this direction.