ifos • paper_2 • quantum_mechanics
[UPSC IFoS 2023] Angular momentum, spin etc (Q255, 15M)
The raising (J_+) and lowering (J_-) operators of total angular momentum are defined by J_+ = J_x + iJ_y and J_- = J_x - iJ_y. Find the values of the following : (i) [J_x, J_+] (ii) [J_y, J_+] (iii) J_- J_+
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