A second-order topological insulator in d dimensions is an insulator which has no d-1
dimensional topological boundary states but has d-2 dimensional topological boundary …

Higher-rank generalizations of electrodynamics have recently attracted considerable
attention because of their ability to host “fracton” excitations, with connections to both fracton …

We investigate the quantum Heisenberg model on the pyrochlore lattice for a generic spin S
in the presence of nearest-neighbor J 1 and second-nearest-neighbor J 2 exchange …

The search of unconventional magnetic and nonmagnetic states is a major topic in the study
of frustrated magnetism. Canonical examples of those states include various spin liquids …

We address the long-standing problem of the microscopic origin of the richly diverse
phenomena in the chromium breathing pyrochlore material family. Combining electronic …

We report a comprehensive study on the magnetic and structural properties of the spinel
sulfides LiInCr4S8, LiGaCr4S8, and CuInCr4S8, where Li+/Cu+ and Ga3+/In3+ ions form a …

We present a comprehensive neutron scattering study of the breathing pyrochlore magnet
LiGaCr 4 S 8. We observe an unconventional magnetic excitation spectrum with a …

The hedgehog lattice, a three-dimensional periodic array of magnetic monopoles and
antimonopoles, is known to be realized in the presence of the Dzyaloshinskii-Moriya (DM) …

We theoretically investigate a J 1-J 3 classical Heisenberg model on the breathing
pyrochlore lattice, where the nearest-neighbor (NN) exchange interactions for small and …

We theoretically investigate spin-lattice coupling (SLC) effects on the in-field ordering
properties of classical Heisenberg antiferromagnets on the breathing pyrochlore lattice …