=== Consider, in the usual spin-1/2 system H = span{|0), |1)}, a spin with Bloch vector...

 

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=== Consider, in the usual spin-1/2 system H = span{|0), |1)}, a spin with Bloch vector a. (a) For the measurement S., show that (S.) = az. (b) Find (S) and (Sy). === Consider, in the usual spin-1/2 system H = span{|0), |1)}, a spin with Bloch vector a. (a) For the measurement S., show that (S.) = az. (b) Find (S) and (Sy).

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a For a generic measurement operator S s where s is a unit ... View the full answer