3 papers
quant-ph2026
Anisotropic dynamical reconstruction of quantum geometry in quenched Chern insulators
Nan Li, Zhiyong Liu, Zhaoxin Liang +1
Under unitary dynamics, the Chern number of an evolving quantum state remains conserved even when a quench drives the Hamiltonian across a topological phase transition. In sharp co…
cond-mat.quant-gas2026
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…
cond-mat.quant-gas2025
Quench Dynamics and Stability of Dark Solitons in Exciton Polariton Condensates
Chunyu Jia, Zhaoxin Liang
Exciton polariton condensates (EPCs) have emerged as a paradigmatic platform for investigating nonequilibrium quantum many-body phenomena, particularly due to their intrinsic open-…