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void19
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- Homework Statement
- Express Lx in terms of the commutator of Ly and Lz , show that <Lx>=0 for this particle.
- Relevant Equations
- [Ly,Lz]=i(hbar)Lx
⟨Lx⟩=⟨l,m|Lx|l,m⟩=−iℏ⟨l,m|[Ly,Lz]|l,m⟩
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