3 papers
nlin.CD2025
Experimental Observation of Hidden Multistability in Nonlinear Systems
Kun Zhang, Qicheng Zhang, Shuaishuai Tong +3
Multistability, the coexistence of multiple stable states, is a cornerstone of nonlinear dynamical systems, governing their equilibrium, tunability, and emergent complexity. Recent…
cond-mat.other2023
Tracking Intrinsic Non-Hermitian Skin Effect in Lossy Lattices
Liwei Xiong, Qicheng Zhang, Xiling Feng +4
Non-Hermitian skin effect (NHSE), characterized by a majority of eigenstates localized at open boundaries, is one of the most iconic phenomena in non-Hermitian lattices. Despite no…
cond-mat.mes-hall2022
Observation of Acoustic Non-Hermitian Bloch Braids and Associated Topological Phase Transitions
Qicheng Zhang, Yitong Li, Huanfa Sun +5
Topological features embedded in ancient braiding and knotting arts endow significant impacts on our daily life and even cutting-edge science. Recently, fast growing efforts are in…