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Metal to Mott Insulator Transition in Two-dimensional 1T-TaSe
Ning Tian, Zhe Huang, Bo Gyu Jang +17
When electron-electron interaction dominates over other electronic energy scales, exotic, collective phenomena often emerge out of seemingly ordinary matter. The strongly correlate…
Lattice dynamical properties of antiferromagnetic oxides calculated using self-consistent extended Hubbard functional method
Wooil Yang, Bo Gyu Jang, Young-Woo Son +1
We study the lattice dynamics of antiferromagnetic transition-metal oxides by using self-consistent Hubbard functionals. We calculate the ground states of the oxides with the on-si…
Intersite Coulomb Interactions in Charge Ordered Systems
Bo Gyu Jang, Minjae Kim, Sang-Hoon Lee +3
Using {\it ab initio} approaches for extended Hubbard interactions coupled to phonons, we reveal that the intersite Coulomb interaction plays important roles in determining various…
Magnetic Ordering, Anomalous Lifshitz Transition and Topological Grain Boundaries in Two-Dimensional Biphenylene Network
Young-Woo Son, Hosub Jin, Sejoong Kim
We study electronic properties of a new planar carbon crystal formed through networking biphenylene molecules. Novel electronic features among carbon materials such as zone-center…