The physics of quantum materials is dictated by many-body interactions and mathematical
concepts such as symmetry and topology that have transformed our understanding of matter …

The first-principles band theory paradigm has been a key player not only in the process of
discovering new classes of topologically interesting materials, but also for identifying salient …

The discovery of the quantum spin Hall effect and topological insulators more than a decade
ago has revolutionized modern condensed matter physics. Today, the field of topological …

We suggest that a randomization of the pseudodipolar interaction in the spin-orbit-generated
low-energy Hamiltonian of YbMgGaO 4 due to an inhomogeneous charge environment from …

This article reviews recent theoretical and experimental work on a new class of topological
material—topological Kondo insulators, which develop through the interplay of strong …

In the Kondo insulator samarium hexaboride (SmB6), strong correlation and band
hybridization lead to an insulating gap and a diverging resistance at low temperature. The …

Topological invariants of electron wavefunctions in condensed matter reveal many intriguing
phenomena,. A notable example is provided by topological insulators, which are …

Topological Kondo insulators have been proposed as a new class of topological insulators
in which non-trivial surface states reside in the bulk Kondo band gap at low temperature due …

In recent years, novel families of materials have been discovered and significant
improvements in classical thermoelectric materials have been made. Thermoelectric …

Spin systems with frustrated anisotropic interactions are of significant interest due to
possible exotic ground states. We have explored their phase diagram on a nearest-neighbor …