(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 Jtotal·) Using the fact that Jx, ly, lz(± ≡ Jx ± i Jy) 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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J² = J² +J+J_-ħJz.
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a To prove the given expression lets first recall the commutation relations for the angular momentum ...View the full answer
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