4 papers
Dissipation-induced Nonlinear Topological Gear Switching
Xuzhen Cao, Xiaolin Li, Liang Bai +3
Nonlinear interaction enables topological phenomena impossible in linear systems. A paradigm is nonlinear Thouless pump, where the transport of solitons can be topologically quanti…
Time delay of mean field interaction in thermal Rydberg atomic gas
Yuzhuo Wang, Tianxiong Gao, Yufan Niu +5
Mean field theory is commonly employed to study nonequilibrium dynamics in hot Rydberg atomic ensembles, but the fundamental mechanism behind the generation of the mean-field inter…
Realizing exceptional points by Floquet dissipative couplings in thermal atoms
Zimo Zhang, Fengbo Zhang, Zhongxiao Xu +3
Exceptional degeneracies and generically complex spectra of non-Hermitian systems are at the heart of numerous phenomena absent in the Hermitian realm. Recently, it was suggested t…
Transport of Vector Solitons in Spin-Dependent Nonlinear Thouless Pumps
Xuzhen Cao, Chunyu Jia, Ying Hu +1
In nonlinear topological physics, Thouless pumping of nonlinear excitations is a central topic, often illustrated by scalar solitons. Vector solitons, with the additional spin degr…