Homework Statement
Spin Operator S has eigenvectors |R> and |L>,
S|R> = |R>
S|L> =-|L>
eigenvectors are orthonormal
Homework Equations
Operator A is Hermitian if <ψ|A|Θ> = <Θ|A|ψ>*
The Attempt at a Solution
<ψ|S|L> = <L|S|ψ>* // Has to be true if S is Hermitian
LHS...