Orbital selective mott phase

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August undefined, 2024

WebDec 29, 2024 · Recently, there is great interest in multiorbital systems where this transition can be restricted to certain orbitals, leading to an orbital-selective Mott phase (OSMP). Theoretically, the OSMP is widely studied for kinetically decoupled orbitals, but the effect of interorbital hopping remains unclear. WebAug 23, 2024 · Recently, there is great interest in multiorbital systems where this transition can be restricted to certain orbitals, leading to an orbital-selective Mott phase (OSMP). Theoretically, the OSMP is widely studied for kinetically decoupled orbitals, but the effect …

A dynamical mean-field study of orbital-selective Mott

WebOrbital-selective Mott transitions in the anisotropic two-band Hubbard model at finite temp. The anisotropic degenerate two-orbital Hubbard model is studied within dynamical mean-field theory at low temperatures. High-precision calculations on the basis of a refined quantum Monte Carlo (QMC) method reveal that two distinct orbital-selective ... 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 … hig adamstown

Phys. Rev. B 105, L041108 (2024) - Orbital-selective Mott …

WebSep 16, 2024 · Block orbital-selective Mott insulators: A spin excitation analysis Full Record References (70) Related Research Abstract We present a comprehensive study of the spin excitations—as measured by the dynamical spin structure factor S (q,ω)—of the so-called block-magnetic state of low-dimensional orbital-selective Mott insulators. WebSep 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. 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... how far is budapest from turkey

[2112.14691] Is the orbital-selective Mott phase stable …

Orbital-selective Mott phase as a dehybridization fixed point

WebMay 4, 2024 · Here we demonstrate that the bandwidth-control orbital-selective delocalization of 4 f electrons can be realized in epitaxial Ce films by thermal annealing, … WebThe 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, … how far is budapest from belgradeWebApr 10, 2024 · In this work, we demonstrate coherent optical control of the orbital occupation that determines the insulator-to-metal transition in the prototypical Mott insulator V 2 O 3. Selective excitation of a specific interband transition with two phase-locked light pulses manipulates the occupation of the correlated bands in a way that … how far is budapest from kyiv ukraine

"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… " - Orbital selective mott phase

Orbital selective mott phase

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. 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 ...

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WebJun 15, 2024 · Orbital selective Mott phase (OSMT), i.e., with the increasing Coulomb interaction, a two-orbital electronic system transits from a metal to a particular phase … WebApr 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 …

WebApr 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 ... WebJan 18, 2024 · Here, we theoretically study the phase transitions of FePS3 using first-principles methods based on density functional theory and embedded dynamical mean …

WebMar 11, 2024 · An orbital-selective Mott phase (OSMP) has been extensively discussed as anchoring the orbital-selective correlation phenomena in this regime. Motivated by … WebJun 21, 2024 · Orbital-resolved a density of states, and b poles of the single-particle spectra of the block-antiferromagnetic orbital selective Mott phase. Various peaks in the density …

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 …

WebWe 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 … how far is budapest from lvivWebWe 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… how far is budapest from ukraineWebJul 6, 2016 · In section 3, we first show the orbital-selective Mott transition (OSMT) introduced by the Hund's rule coupling in undoped compound. Then we study the … how far is budapest from austriaWebJun 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 ... higa cyclizationWebJul 6, 2016 · In section 3, we first show the orbital-selective Mott transition (OSMT) introduced by the Hund's rule coupling in undoped compound. Then we study the cooperative effect of the Hund's rule coupling and impurity-induced disorder on the phase transitions in Cu-substituted iron-based superconductors. higa bystraWebApr 5, 2013 · With or without ordered vacancies, we identify a metal-to-Mott-insulator transition at the commensurate filling of six 3d electrons per iron ion. For Hund's … how far is budapest to ukraineWebDec 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 … higa by arthur nery lyrics