CMSP Seminar Series @ICTP Stasi Seminar Rm Thursday 15 March 11am - M.CAPONE

[CM Section]

ICTP Seminar Series in Condensed Matter and Statistical Physics
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Thursday 15 Marchat 11:00 a.m.

Luigi Stasi Seminar Room, first floor, ICTP Leonardo building
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Speaker: Massimo Capone (SISSA, Trieste,Italy)

Title:
Mini-orbital Mott Physics and the Iron-based Superconductors

Abstract:
We review some surprising results on multi orbital Hubbard models, 
highlighting
the role of the Hund’s coupling in driving a two-stage Mott localization 
and an
effective decoupling between the orbitals which in turn leads to a 
remarkable
differentiation between different orbitals (orbital selectivity).

We show that the normal state of  iron-based superconductors can be 
rationalized
and understood in this framework and we address the implications on the 
phase
diagram.