3 papers
quant-ph2025
Topological Braiding of Bloch Eigenmodes Protected by Non-Abelian Quaternion Invariants
Xiao-Ming Wang, Jiaying Xu, Xulong Wang +2
Braiding has attracted significant attention in physics because of its important role in describing the fundamental exchange of particles. Infusing the braiding with topological pr…
quant-ph2025
Exceptional deficiency of non-Hermitian systems
Zhen Li, Xulong Wang, Rundong Cai +5
Exceptional points (EPs) are non-Hermitian singularities associated with the coalescence of individual eigenvectors accompanied by the degeneracy of their complex energies. Here, w…
quant-ph2023
Observation of dynamic non-Hermitian skin effects
Zhen Li, Li-Wei Wang, Xulong Wang +3
Non-Hermitian effects have emerged as a new paradigm for the manipulation of phases of matter that profoundly changes our understanding of non-equilibrium systems, introducing nove…