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cond-mat.str-el2012★ 521 cited
On the Origin of Zigzag Magnetic Order in Iridium Oxide Na2IrO3
Jiří Chaloupka, George Jackeli, Giniyat Khaliullin
We explore the phase diagram of spin-orbit Mott insulators on a honeycomb lattice, within the Kitaev-Heisenberg model extended to its full parameter space. Zigzag-type magnetic ord…
cond-mat.str-el2012★ 28 cited
Spin-state Crossover Model for the Magnetism of Iron Pnictides
Jiří Chaloupka, Giniyat Khaliullin
We propose a minimal model describing magnetic behavior of Fe-based superconductors. The key ingredient of the model is a dynamical mixing of quasi-degenerate spin states of Fe2+ i…