Tunable non-Hermitian skin effect and topological phases in ladders with staggered nonreciprocal inter-leg hopping

Pu-Xuan Li, Qi-Bo Zeng

We investigate the non-Hermitian skin effect (NHSE) and topological phases in a ladder model with staggered nonreciprocal inter-leg hopping, consisting of an Su-Schrieffer-Heeger (…