L·S coupling

GPTKB entity

Statements (18)
Predicate Object
gptkbp:instanceOf quantum mechanical phenomenon
gptkbp:alsoKnownAs gptkb:Russell–Saunders_coupling
gptkbp:appliesTo atoms
spin-orbit coupling is small
gptkbp:assumes spin-orbit interaction is weak compared to electrostatic interaction
gptkbp:contrastsWith j-j coupling
gptkbp:describes coupling of orbital angular momentum and spin angular momentum
gptkbp:determines term symbols in atomic spectra
gptkbp:explains multiplet structure in spectra
gptkbp:form L = Σl_i, S = Σs_i, J = L + S
https://www.w3.org/2000/01/rdf-schema#label L·S coupling
gptkbp:importantFor light atoms
gptkbp:namedAfter gptkb:Frederick_Saunders
gptkb:Henry_Norris_Russell
gptkbp:relatedTo fine structure splitting
gptkbp:usedIn atomic spectroscopy
gptkbp:bfsParent gptkb:spin-orbit_interaction
gptkbp:bfsLayer 7