Scattering in Quantum Mechanics
ceed from an initial quantum state ψ i to a final state ψ f is given by the Fermi Golden Rule: dJ=ψ fMψ i 2 ×dN f×2πδ(E f−E i) where ψ fMψ i=ψ ∗ fMψ id ∫3x describes the QM transition, dN f is the differential number of states for final state f (derived in the Appendix) and δ(E f−E i) is a delta function enforcing energy ...
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