Abstract:

In this talk, I will first review the progress which has been made in the past two decades for the Mott transition in single-band Hubbard model. Then I will introduce three new phenomenons existing only in multi-orbital systems, namely the orbital selective Mott transition, the Hund's metal phase and the interaction enhanced spin-orbital coupling. Two popular computational tools in this field, the dynamical mean field theory and Gutzwiller variational method will also be introduced briefly.
 
 
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