Nonreciprocity Induced Fractional Nonlinear Thouless Pumping

Yanqi Zheng, Kun Pu, Ligging Ren +2

Recent interest has surged in eigenvalue's nonlinearity-based topological transport governed by the equation of auxiliary eigenvalues $H\hat{I}¨=\ddot{I}‰S(\ddot{I}‰)\hat{I}¨$ [T. Isobe et al., Phys. Rev. L…