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Line-Graph Approach to Spiral Spin Liquids
Shang Gao, Ganesh Pokharel, Andrew F. May +8
Competition among exchange interactions is able to induce novel spin correlations on a bipartite lattice without geometrical frustration. A prototype example is the spiral spin liq…
Chern numbers of topological phonon band crossing determined with inelastic neutron scattering
Zhendong Jin, Biaoyan Hu, Yiran Liu +13
Topological invariants in the band structure, such as Chern numbers, are crucial for the classification of topological matters and dictate the occurrence of exotic properties, yet…
Magnetic molecular orbitals in MnSi
Zhendong Jin, Yangmu Li, Zhigang Hu +15
A large body of knowledge about magnetism is attained from models of interacting spins, which usually reside on magnetic ions. Proposals beyond the ionic picture are uncommon and s…
Anisotropic magnon damping by zero-temperature quantum fluctuations in ferromagnetic CrGeTe
Lebing Chen, Chengjie Mao, Jae-Ho Chung +7
Spin and lattice are two fundamental degrees of freedom in a solid, and their fluctuations about the equilibrium values in a magnetic ordered crystalline lattice form quasiparticle…
Bond Ordering and Molecular Spin-Orbital Fluctuations in the Cluster Mott Insulator GaTaSe
Tsung-Han Yang, S. Kawamoto, Tomoya Higo +8
For materials where spin-orbit coupling is competitive with electronic correlations, the spatially anisotropic spin-orbital wavefunctions can stabilize degenerate states that lead…
Geometrical frustration versus Kitaev interactions in BaCo(AsO)
Thomas Halloran, Félix Desrochers, Emily Z. Zhang +12
Recently, Co-based honeycomb magnets have been proposed as promising candidate materials to host the Kitaev spin liquid state. One of the front-runners is BaCo(AsO) (BC…