12 Mar
2011
12 Mar
'11
4:33 p.m.
Dear Prof.Matthias Let's taking DM interaction in z-direction, so we have (SxSy-SySx) , which gives an imaginary part 1/4i{(S+S+)-(S+S-)-(S-S+)+(S-S-)}. I have no idea how to deal with it. ------- Best Regards Javad Vahedi,