if i have <Ψ(0)|O(interaction)|Ψ(0)> ?can i say that is the same that? <Ψ(0)|O|Ψ(0)>
where Ψ(0) is the wave fuction in t=0 and O is and operator, O(interaction) is the operator in the interaction picture and O is the operator in the schrodinger picture
]]>