A Modern Approach to Quantum Mechanics · Problem 7.23
Path Integrals — John S. Townsend
Physics — Quantum Mechanics · coherent-states-orthogonality
Problem
Evaluate ∣⟨β∣α⟩∣2 for coherent states ∣α⟩ and ∣β⟩. Show that the states ∣α⟩ and ∣β⟩ become approximately orthogonal in the limit ∣α−β∣≫1.
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