H ν if = E f – E i = ΔE if S(f ← i) = ∑ A | ∫ Φ f * μ A Φ i dτ | 2 ODME of H and μ A μ fi = Spectroscopy Quantum Mechanics f i MMMM M ∫ Φ f * μ A Φ i dτ.
