Question: Consider a system which is initially in the state | psi = 1 / ( 5 ) | - 1 + ( 3 /

Consider a system which is initially in the state
|\psi =1/(5)|-1+(3/5)|0+1/(5)|1
Find the expectation value of L_(+)((:\psi |L+|\psi :))
Consider a system which is initially in the state |\psi =1/(5)|-1+(3/5)|0+1/(5)|1

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