Phase diagram and spin correlations of the Kitaev-Heisenberg model: Importance of quantum effects
We explore the phase diagram of the Kitaev-Heisenberg model with nearest neighbor
interactions on the honeycomb lattice using the exact diagonalization of finite systems …
interactions on the honeycomb lattice using the exact diagonalization of finite systems …
Orbital Symmetry and Orbital Excitations in High-Tc Superconductors
We discuss a few possibilities of high-T c superconductivity with more than one orbital
symmetry contributing to the pairing. First, we show that the high energies of orbital …
symmetry contributing to the pairing. First, we show that the high energies of orbital …
Spin, orbital and topological order in models of strongly correlated electrons
W Brzezicki - Journal of Physics: Condensed Matter, 2019 - iopscience.iop.org
Different types of order are discussed in the context of strongly correlated transition metal
oxides, involving pure compounds and and hybrids. Apart from standard, long-range spin …
oxides, involving pure compounds and and hybrids. Apart from standard, long-range spin …
High-performance colossal permittivity behaviour persists to ultralow temperature in Co+ Ta co-doped SnO2: A spin-defect mediated superstable large electronic …
Recently, defect complex coupling in nonmagnetic acceptor-donor co-doped binary metal
oxides is found to partially localize the donor electrons with a characteristic defect-dipolar …
oxides is found to partially localize the donor electrons with a characteristic defect-dipolar …
A high-resolution photoelectron spectroscopic and computational study of TaX−(X= C, N, O)
X Chen, S Yan, R Zhang, C Ning - The Journal of Chemical Physics, 2024 - pubs.aip.org
We report on the high-resolution photoelectron spectroscopy of diatomic molecules TaX−(X=
C, N, O) anions using a cryogenic ion trap combined with the slow electron velocity imaging …
C, N, O) anions using a cryogenic ion trap combined with the slow electron velocity imaging …
Singlet-Triplet Excitations and Long-Range Entanglement in the Spin-Orbital Liquid Candidate
Theoretical models of the spin-orbital liquid (SOL) FeSc 2 S 4 have predicted it to be in close
proximity to a quantum critical point separating a spin-orbital liquid phase from a long-range …
proximity to a quantum critical point separating a spin-orbital liquid phase from a long-range …
Variational tensor network renormalization in imaginary time: Two-dimensional quantum compass model at finite temperature
Progress in describing thermodynamic phase transitions in quantum systems is obtained by
noticing that the Gibbs operator e− β H for a two-dimensional (2D) lattice system with a …
noticing that the Gibbs operator e− β H for a two-dimensional (2D) lattice system with a …
Overcoming the sign problem at finite temperature: Quantum tensor network for the orbital model on an infinite square lattice
The variational tensor network renormalization approach to two-dimensional (2D) quantum
systems at finite temperature is applied to a model suffering the notorious quantum Monte …
systems at finite temperature is applied to a model suffering the notorious quantum Monte …
Jahn-Teller effect in systems with strong on-site spin-orbit coupling
When strong spin-orbit coupling removes orbital degeneracy, it would at the same time
appear to render the Jahn-Teller mechanism ineffective. We discuss such a situation, the t 2 …
appear to render the Jahn-Teller mechanism ineffective. We discuss such a situation, the t 2 …
First-principles analysis of ferromagnetic properties of molybdenum-doped wide-band-gap oxides
The possibility of ferromagnetic ordering in four different Mo-doped oxide semiconductors
has been studied theoretically using density functional theory. All four systems, namely Mo …
has been studied theoretically using density functional theory. All four systems, namely Mo …