(a) Let J be angular momentum. (It may stand for orbital L, spin S, or J total...

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(a) Let J be angular momentum. (It may stand for orbital L, spin S, or J_total·) Using the fact that J_x, l_y, l_z(± ≡ J_x ± i J_y) satisfy the usual angular-momentum commutation relations, prove

(b) Using (a) (or otherwise), derive the "famous" expression for the coefficient c_that appears in

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Modern Quantum Mechanics

ISBN: 9780805382914

2nd Edition

Authors: J. J. Sakurai, Jim J. Napolitano

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Question Posted: Aug 05, 2023 07:40 AM

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(a) Let J be angular momentum. (It may stand for orbital L, spin S, or J total...

Question:

J² = J² +J+J_-ħJz.

Step by Step Answer:

a To prove the given expression lets first recall the commutation relations for the angular momentum ...View the full answer

Modern Quantum Mechanics

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