<![CDATA[Multiwfn forum / A question about the linear response theory?]]> - //www.umsyar.com/wfnbbs/viewtopic.php?id=801 Wed, 15 Mar 2023 20:59:06 +0000 FluxBB <![CDATA[A question about the linear response theory?]]> //www.umsyar.com/wfnbbs/viewtopic.php?pid=3053#p3053 I am studying linear response theory and i have a dub :S


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

]]> Wed, 15 Mar 2023 20:59:06 +0000 //www.umsyar.com/wfnbbs/viewtopic.php?pid=3053#p3053