Orbital effects in solids: Basics, recent progress, and opportunities
The properties of transition metal compounds are largely determined by nontrivial interplay
of different degrees of freedom: charge, spin, lattice, and also orbital ones. Especially rich …
of different degrees of freedom: charge, spin, lattice, and also orbital ones. Especially rich …
[HTML][HTML] Kitaev materials
In transition-metal compounds with partially filled 4 d and 5 d shells spin–orbit
entanglement, electronic correlations, and crystal-field effects conspire to give rise to a …
entanglement, electronic correlations, and crystal-field effects conspire to give rise to a …
Correlations and electronic order in a two-orbital honeycomb lattice model for twisted bilayer graphene
The recent observation of superconductivity in proximity to an insulating phase in twisted
bilayer graphene (TBG) at small “magic” twist angles has been linked to the existence of …
bilayer graphene (TBG) at small “magic” twist angles has been linked to the existence of …
Unifying Kitaev magnets, kagomé dimer models, and ruby Rydberg spin liquids
The exploration of quantum spin liquids (QSLs) has been guided by different approaches
including the resonating valence bond (RVB) picture, deconfined lattice gauge theories, and …
including the resonating valence bond (RVB) picture, deconfined lattice gauge theories, and …
Detection of multipolar orders in the spin-orbit-coupled Mott insulator
Synchrotron x-ray-diffraction measurements on single crystals of the double perovskite B a 2
MgRe O 6 with 5 d 1 electronic configurations reveal the successive phase transitions from a …
MgRe O 6 with 5 d 1 electronic configurations reveal the successive phase transitions from a …
Unveiling the S= 3/2 Kitaev honeycomb spin liquids
Abstract The S= 3/2 Kitaev honeycomb model (KHM) is a quantum spin liquid (QSL) state
coupled to a static Z2 gauge field. Employing an SO (6) Majorana representation of …
coupled to a static Z2 gauge field. Employing an SO (6) Majorana representation of …
Ordering of hidden multipoles in spin-orbit entangled Ta chlorides
Spin-orbit coupling of as large as a half eV for electrons in 5 d orbitals often gives rise to the
formation of spin-orbital entangled objects, with the effective total angular momentum J eff …
formation of spin-orbital entangled objects, with the effective total angular momentum J eff …
Quantum liquids of the Kitaev honeycomb and related Kugel-Khomskii models
The S= 3 2 Kitaev honeycomb model (KHM) is unique among the spin-S Kitaev models due
to a massive ground-state quasidegeneracy that hampered previous numerical and …
to a massive ground-state quasidegeneracy that hampered previous numerical and …
Heisenberg-Kitaev model in a magnetic field: expansion
The exact solution of Kitaev's spin-1/2 honeycomb spin-liquid model has sparked an intense
search for Mott insulators hosting bond-dependent Kitaev interactions, of which Na 2 IrO 3 …
search for Mott insulators hosting bond-dependent Kitaev interactions, of which Na 2 IrO 3 …
SU (4) Heisenberg model on the honeycomb lattice with exchange-frustrated perturbations: Implications for twistronics and Mott insulators
The SU (4)-symmetric spin-orbital model on the honeycomb lattice was recently studied in
connection to correlated insulators such as the eg Mott insulator Ba 3 CuSb 2 O 9 and the …
connection to correlated insulators such as the eg Mott insulator Ba 3 CuSb 2 O 9 and the …