 Quantum-mechanical propagator

ID: quantum-mechanical-propagator

Codex  0 Created 2026-09-28 Updated 2026-10-03

K (q_{f}, t_{f}; q_{i}, t_{i}) = ⟨ q_{f} ∣ U (t_{f}, t_{i}) ∣ q_{i} ⟩

of the time-evolution operator. It is the amplitude to evolve between the specified endpoint configurations.

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