Spin-orbital frustrations and anomalous metallic state in iron-pnictide superconductors
We develop an understanding of the anomalous metal state of the parent compounds of
recently discovered iron-based superconductors starting from a strong-coupling viewpoint …
recently discovered iron-based superconductors starting from a strong-coupling viewpoint …
Pattern formation by electric-field quench in a mott crystal
The control of the Mott phase is intertwined with the spatial reorganization of the electronic
states. Out-of-equilibrium driving forces typically lead to electronic patterns that are absent at …
states. Out-of-equilibrium driving forces typically lead to electronic patterns that are absent at …
Spin-Orbital Excitations in Revealed by Resonant Inelastic X-Ray Scattering
The strongly correlated insulator Ca 2 RuO 4 is considered as a paradigmatic realization of
both spin-orbital physics and a band-Mott insulating phase, characterized by orbitally …
both spin-orbital physics and a band-Mott insulating phase, characterized by orbitally …
Magnetic anisotropy and orbital ordering in
We review the magnetic and orbital ordered states in Ca 2 RuO 4 by performing resonant
elastic x-ray scattering (REXS) at the Ru L 2, 3 edges. In principle, the point symmetry at Ru …
elastic x-ray scattering (REXS) at the Ru L 2, 3 edges. In principle, the point symmetry at Ru …
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 …
Excitonic magnetism at the intersection of spin-orbit coupling and crystal-field splitting
T Feldmaier, P Strobel, M Schmid, P Hansmann… - Physical Review …, 2020 - APS
Excitonic magnetism involving superpositions of singlet and triplet states is expected to arise
for two holes in strongly correlated and spin-orbit-coupled t 2 g orbitals. However …
for two holes in strongly correlated and spin-orbit-coupled t 2 g orbitals. However …
Spin-orbital order modified by orbital dilution in transition-metal oxides: From spin defects to frustrated spins polarizing host orbitals
We investigate the changes in spin and orbital patterns induced by magnetic transition-metal
ions without an orbital degree of freedom doped in a strongly correlated insulator with spin …
ions without an orbital degree of freedom doped in a strongly correlated insulator with spin …
Spin–orbit coupling effects on the electronic properties of the pressure-induced superconductor CrAs
We present the effects of spin-orbit coupling on the low-energy bands and Fermi surface of
the recently discovered pressure-induced superconductor CrAs. We apply the Löwdin down …
the recently discovered pressure-induced superconductor CrAs. We apply the Löwdin down …
Intrachain collinear magnetism and interchain magnetic phases in -based materials
We perform a comparative study of the K Cr 3 As 3 and the K 2 Cr 3 As 3 quasi-one-
dimensional compounds and show that the strong interplay between the lattice and the spin …
dimensional compounds and show that the strong interplay between the lattice and the spin …
Tight-binding calculation of the magnetic moment of CrAs under pressure
We analyze the evolution of the local magnetic moment of the newly discovered pressure-
induced superconductor CrAs, as a function of the applied pressure. Our theoretical method …
induced superconductor CrAs, as a function of the applied pressure. Our theoretical method …