Orbital selective mott phase
WebJun 15, 2024 · In an orbital-selective Mott phase (OSMP), the carriers on a subset of orbitals get localized but others remain itinerant. This phenomenon has been observed … WebDec 12, 2016 · We focus on a parameter regime with robust Hund's coupling, which produces an orbital selective Mott phase (OSMP) at intermediate values of the Hubbard …
Orbital selective mott phase
Did you know?
WebApr 11, 2024 · The proximity to the OSMT plays a dual role, it facilitates the appearance of the topological surface state by bringing the Dirac cone close to the chemical potential, but destroys the Z topological superconductivity when the system is too close to the orbital selective Mott phase (OSMP). We derive a reduced effective Hamiltonian that describes ... WebDec 8, 2024 · The effect of interorbital hopping on the orbital selective Mottness in a two-band correlation system is investigated by using the dynamical mean-field theory with the …
WebJun 29, 2024 · Another example of competing interactions is the orbital-selective Mott phase (OSMP) (22, 23). In multiorbital systems, this effect can lead to the selective localization of electrons on some orbitals. The latter coexist with itinerant bands of mobile electrons. This unique mixture of localized and itinerant components in multiorbital … WebSep 30, 2015 · Calculated phase diagram of the orbital-selective Mott phase for AFS and FTS where the vertical axis is temperature and the horizontal axes are Coulomb repulsion U and the electron filling. The blue curves indicate transitions into the orbital-selective Mott phase while the red line indicates transition into the Mott insulating phase.
WebDec 29, 2024 · Fabian B. Kugler, Gabriel Kotliar. The localization-delocalization transition is at the heart of strong correlation physics. Recently, there is great interest in multiorbital … WebMar 9, 2016 · Moreover, an orbital selective Mott transition, defined as the case with $Z_ {\alpha} = 0$ in some, but not all orbitals, could be accessed by epitaxial strain-engineering of correlated...
WebJun 15, 2024 · The asymmetric DOS strongly influences the energetic of the Mott gap, and the region of orbital-selective Mott phase (OSMP) significantly increases with the increasing NNN hopping amplitude. The Lanczos solver employed in the DMFT calculations is very powerful in finding the critical point of the Mott metal-insulator transition, which has been ...
WebMotivated by the unexplored complexity of the phase diagrams for multi-orbital Hubbard models, a three-band Hubbard model at integer fillings () with orbital degeneracy lifted partially by crystal field splitting is an… grantchester season 6 recapWebMar 11, 2024 · An orbital-selective Mott phase (OSMP) has been extensively discussed as anchoring the orbital-selective correlation phenomena in this regime. Motivated by … chionis usb to vga driverWebThe VO2 is a 3d1 electron system that undergoes a reversible metal–insulator transition (MIT) triggered by temperature and characterized by an interplay between orbital, charge and lattice degrees of freedom. The characterization of the MIT features are therefore extremely challenging and powerful investigation tools are required. In this work, … chionh surnameWebSep 7, 2024 · An important characteristics of the models is that the orbitals are kinetically coupled, i.e., hybridized, to each other, which makes the orbital-selective Mott phase especially nontrivial. A U (1) slave-spin method was used to analyze the model with nonzero orbital-level splittings. grantchester season 6 number of episodesWebWe extend previous studies on orbital-selective Mott transitions in the paramagnetic state of the half-filled degenerate two-band Hubbard model to the general doped case, using a … chionh yok tengWebApr 11, 2024 · We find a large region of orbital-selective Mott phase in the phase diagram when the doping is large enough. Further analysis indicates that the large region of orbital-selective Mott phase is ... grantchester season 6 itv hubWebWe extend previous studies on orbital-selective Mott transitions in the paramagnetic state of the half-filled degenerate two-band Hubbard model to the general doped case, using a high-precision quantum Monte Carlo dyna… grantchester season 6 episode list