Introduction to Quantum Mechanics · Problem 6.22

Symmetries and Conservation Laws — David J. Griffiths

Physics — Quantum Mechanics · vector_operator_commutators

Problem

(a) Show that the commutation relations, Equations 6.50–6.54, follow from the definition of a vector operator, Equation 6.33. If you did Problem 6.19 you already derived one of these. (b) Derive Equation 6.57.

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