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 $H\Psi =\omega S(\omega )\Psi$ [T. Isobe et al., Phys. Rev. Lett.…