6 papers
Spin-orbit-induced quantum chiral phases
Daesik Kim, Hyojae Jeon, Seongjun Park +3
The scalar spin chirality (SSC), whose nonzero value implies the breaking of time-reversal and certain point-g…
Exotic Spin Excitation Continuum in a Weakly Coupled Quantum Chainsaw Antiferromagnet
Asiri Thennakoon, Prena Chaudhary, Sankha Subhra Bakshi +9
Collective motions in strongly interacting magnets involve many spins and are often described in terms of integer-spin excitations. However, in certain cases, the collective motion…
Schwinger-Boson Mean-Field Study of the Anisotropic Kagome Antiferromagnet
Sankha Subhra Bakshi, Brandon B. Le, Seung-Hun Lee +1
We investigate the effect of spatial exchange anisotropy on the spin- kagome antiferromagnet using Schwinger-boson mean-field theory. The anisotropy is introduced by strengthe…
Energy landscape of the kagome antiferromagnet: Characterization of multiple energy scales
Brandon B. Le, Seung-Hun Lee, Gia-Wei Chern
We investigate the energy landscape of the kagome Heisenberg antiferromagnet within its coplanar ground-state manifold. Although coplanar states are degenerate at harmonic order, t…
Phase-space networks and connectivity of the kagome antiferromagnet
Brandon B. Le, Seung-Hun Lee, Gia-Wei Chern
We study the coplanar ground-state manifold of the kagome Heisenberg antiferromagnet using a phase-space network representation, in which nodes correspond to coplanar ground states…
Gapless dispersive continuum in a modulated quantum kagome antiferromagnet
Asiri Thennakoon, Ryouga Yokokura, Yang Yang +8
The pursuit of quantum spin liquid (QSL) states in condensed matter physics has drawn attention to kagome antiferromagnets (AFM) where a two-dimensional corner-sharing network of t…