Answer to Question #236593 in Quantum Mechanics for dumela

Question

Show that for a one-dimensional square integrable wave function 𝜓(𝑥,𝑡), we have ∫ 𝑑𝑥 𝑗(𝑥) = < 𝑝 >/m where 𝑗(𝑥) is the probability current. Hint: Start from the definition of 𝑗(𝑥) and integrate it by parts.

Answer 1

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