4 papers
Projector, Neural, and Tensor-Network Representations of Cluster and Dipolar-cluster SPT States
Seungho Lee, Daesik Kim, Hyun-Yong Lee +1
The cluster-state wavefunction, a paradigmatic example of symmetry-protected topological (SPT) order with symmetry, is expressed i…
Domain Wall Networks as Skyrmion Crystals in Chiral Magnets
Seungho Lee, Toshiaki Fujimori, Muneto Nitta +1
We theoretically investigate the ground states of a chiral magnet with a square anisotropy and show that it supports domain wall networks as stable ground states. A domain wall jun…
Stable singular fractional skyrmion spin texture from the quantum Kelvin-Helmholtz instability
SeungJung Huh, Wooyoung Yun, Gabin Yun +7
Topology profoundly influences diverse fields of science, providing a powerful framework for classifying phases of matter and predicting nontrivial excitations, such as solitons, v…
Effective Field Theory of a Noncollinear Altermagnet
Seungho Lee, Se Kwon Kim
We derive an effective field theory for a noncollinear altermagnet and magnons on top of the noncollinear ground state from an altermagnetic Heisenberg model. We obtain the ground-…