Physics Letters · 1963 · 42 citations · 2 references
Natural SciencesPhysicsElectromagnetismQuantum MechanicsAngular MomentumElectron CorrelationHyperfine StructureMolecular Angular MomentumPerturbation TheoryStrongly Correlated Electron SystemsElectric Quadrupole MomentsNuclear Quadrupole CouplingNuclear Quadrupole MomentsQuadrupole InteractionQuadrupole Modes
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