What is the expectation valueof the Sχ for a system in the time-dependent state
|Ψ> = 2e-2iωt |z+> -ieiωt |z->
maybe the state must be normalised first i.e 1/√5 times the initial ψ
The Attempt at a Solution
And then say<ψ|Sχ|ψ> where ψ is normalised now and Sx is equal to what ?? .
Maybe Sx =hbar/2 ψ ? i think in this very last statement i have to be wrong