Oxford Solid State Physics 2015
[ Post a Response | Oxford Solid State Physics 2015 ]
Re: Antiferromag and Ferromag in Mott Insulators
Posted by Saad on June 6, 2015, 5:24 pm, in reply to "Re: Antiferromag and Ferromag in Mott Insulators"
Thanks for the reply. However, there's one thing I don't quite understand: |
First order PT is , but how do we know that H_hop|GS> = |Excited> (or propotional)? This is a very strong statement!
In fact, using the above, we can argue that ALL first order PT terms are zero!
Hosted for FREE by Boardhost.
Create your own free message board!