Effect of correlation on electronic properties of NiO: A study from dynamical mean field theory
Sign Up to like & getrecommendations! Published in 2019 at "Chinese Journal of Physics"
DOI: 10.1016/j.cjph.2019.04.004
Abstract: Abstract In order to describe a typical strongly correlated insulator NiO at electronic level, we perform a first principles calculation for temperature effect on electronic properties of NiO using a many-body method merging local density… read more here.
Keywords: properties nio; mean field; dynamical mean; electronic properties ... See more keywords
A dynamical mean-field study of orbital-selective Mott phase enhanced by next-nearest neighbor hopping
Sign Up to like & getrecommendations! Published in 2018 at "Physica B: Condensed Matter"
DOI: 10.1016/j.physb.2018.04.003
Abstract: Abstract The dynamical mean-field theory is employed to study the orbital-selective Mott transition (OSMT) of the two-orbital Hubbard model with nearest neighbor hopping and next-nearest neighbor (NNN) hopping. The NNN hopping breaks the particle-hole symmetry… read more here.
Keywords: dynamical mean; orbital selective; nearest neighbor; selective mott ... See more keywords
Density Functional Theory Plus Dynamical Mean Field Theory within the Framework of Linear Combination of Numerical Atomic Orbitals: Formulation and Benchmarks.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of chemical theory and computation"
DOI: 10.1021/acs.jctc.2c00472
Abstract: The combination of density functional theory with dynamical mean-field theory (DFT+DMFT) has become a powerful first-principles approach to tackle strongly correlated materials in condensed matter physics. The wide use of this approach relies on robust… read more here.
Keywords: theory; functional theory; dynamical mean; combination ... See more keywords
Dynamical mean field theory for real materials on a quantum computer
Sign Up to like & getrecommendations! Published in 2024 at "npj Computational Materials"
DOI: 10.1038/s41524-025-01772-6
Abstract: Quantum computers (QC) could harbor the potential to significantly advance materials simulations, particularly at the atomistic scale involving strongly correlated fermionic systems, where an accurate description of quantum many-body effects scales unfavorably with size. While… read more here.
Keywords: field theory; dynamical mean; mean field; theory ... See more keywords
Interplay between the Pseudogap and Superconductivity in Doped Mott Insulators: a Cluster Dynamical Mean-Field Theory Study
Sign Up to like & getrecommendations! Published in 2025 at "Chinese Physics Letters"
DOI: 10.1088/0256-307x/42/8/080711
Abstract: We investigate the interplay between the pseudogap state and d-wave superconductivity in the two-dimensional doped Hubbard model by employing an eight-site cluster dynamical mean-field theory method. By tuning electron hopping parameters, the strong-coupling pseudogap in… read more here.
Keywords: pseudogap superconductivity; dynamical mean; interplay pseudogap; superconductivity ... See more keywords
Coherent cellular dynamical mean-field theory: a real-space quantum embedding approach to disorder in strongly correlated electron systems
Sign Up to like & getrecommendations! Published in 2025 at "New Journal of Physics"
DOI: 10.1088/1367-2630/ae26c0
Abstract: We formulate a quantum embedding algorithm in real-space for the simultaneous theoretical treatment of nonlocal electronic correlations and disorder, the coherent cellular dynamical mean-field theory (C-CDMFT). This algorithm combines the molecular coherent potential approximation (CPA)… read more here.
Keywords: field theory; cellular dynamical; dynamical mean; mean field ... See more keywords
Exact solution of dynamical mean-field theory for a linear system with annealed disorder
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Statistical Mechanics: Theory and Experiment"
DOI: 10.1088/1742-5468/adac3f
Abstract: We investigate a disordered multi-dimensional linear system in which the interaction parameters are colored noises, varying stochastically in time with defined temporal correlations. We refer to this type of disorder as ‘annealed’, in contrast to… read more here.
Keywords: system; linear system; time; field theory ... See more keywords
Dynamical mean-field study of Vanadium diselenide monolayer ferromagnetism
Sign Up to like & getrecommendations! Published in 2020 at "2D Materials"
DOI: 10.1088/2053-1583/ab8b48
Abstract: To understand the magnetism of VSe$_2$, whose monolayer form has recently been reported to be a room temperature ferromagnet, Here, the combined method of conventional density functional theory with dynamical mean-field theory has been adopted.… read more here.
Keywords: field study; monolayer; dynamical mean; mean field ... See more keywords
Proximity effect in a heterostructure of a high- Tc superconductor with a topological insulator from dynamical mean field theory
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.101.054512
Abstract: We investigate the proximity effect in a heterostructure of the topological insulator (TI) \BiSe\ deposited on the HTSC material BSCCO. The latter is described by the one-band Hubbard model and is treated with cluster dynamical… read more here.
Keywords: topological insulator; proximity effect; dynamical mean; effect heterostructure ... See more keywords
Statistical error estimates in dynamical mean-field theory and extensions thereof
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.102.085124
Abstract: We employ the jackknife algorithm to analyze the propagation of the statistical quantum Monte Carlo error through the Bethe--Salpeter equation. This allows us to estimate the error of dynamical mean-field theory calculations of the susceptibility… read more here.
Keywords: dynamical mean; mean field; error; field theory ... See more keywords
Real-space dynamical mean field theory study of non-Hermitian skin effect for correlated systems: Analysis based on pseudospectrum
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.103.125145
Abstract: We analyze a correlated system in equilibrium with special emphasis on non-Hermitian topology inducing a skin effect. The pseudospectrum, computed by the real-space dynamical mean field theory, elucidates that additional pseudoeigenstates emerge for the open… read more here.
Keywords: skin effect; non hermitian; real space; topology ... See more keywords