Can anyone explain to me why the only time that the expectation of L^2 operator and the expectation value of L_3^2 are equal only when there is no angular dependence? And what does this mean? Does this have something to do with being restricted to the z-axis which is what L_3 is associated with? Thanks(adsbygoogle = window.adsbygoogle || []).push({});

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# Angular Momentum and Expectation Values

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