Expectation value of angular momentum in superpostion
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Orbital angular momentum is quantized.The possible values that we can measure for the square of the magnitude of the orbital angular momentum are L2 = l(l + 1)ħ2.In quantum mechanics, the angular momentum operator is one of several related operators analogous to classical angular momentum. ... The term angular momentum operator can (confusingly) refer to either the total or the orbital angular momentum. Total angular momentum is always conserved, see Noether's theorem.The angular momentum operators do not commute, but it is still possible for the angular momentum to be zero in all three directions. But as soon as the angular momentum in any direction is nonzero, only one component of angular momentum can have a definite value.
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Orbital angular momentum is quantized.The possible values that we can measure for the square of the magnitude of the orbital angular momentum are L2 = l(l + 1)ħ2.In quantum mechanics, the angular momentum operator is one of several related operators analogous to classical angular momentum. ... The term angular momentum operator can (confusingly) refer to either the total or the orbital angular momentum. Total angular momentum is always conserved, see Noether's theorem.The angular momentum operators do not commute, but it is still possible for the angular momentum to be zero in all three directions. But as soon as the angular momentum in any direction is nonzero, only one component of angular momentum can have a definite value.