Complex oxides with 4 d and 5 d transition-metal ions recently emerged as a new paradigm
in correlated electron physics, due to the interplay between spin–orbit coupling and electron …

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 …

We analyze the effect of quenched disorder on spin-1/2 quantum magnets in which
magnetic frustration promotes the formation of local singlets. Our results include a theory for …

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 …

Study of the combined effects of strong electronic correlations with spin-orbit coupling (SOC)
represents a central issue in quantum materials research. Predicting emergent properties …

While the enhancement of spin-space symmetry from the usual SU (2) to SU (N) is promising
for finding nontrivial quantum spin liquids, its realization in magnetic materials remains …

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 …

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 …

We report time-of-flight neutron spectroscopy and neutron and x-ray diffraction studies of the
5 d 2 double perovskite magnets, Ba 2 M OsO 6 (M= Zn, Mg, Ca). These materials host …

We study transitions between topological phases featuring emergent fractionalized
excitations in two-dimensional models for Mott insulators with spin and orbital degrees of …