Topological phase diagrams and Majorana zero modes of the Kitaev ladder and tube
Wang Yiming1, Li Zhidan1, Han Qiang1, 2, †
       

Illustration of quasi-1D Kitaev ladder model, which is composed of M identical Kitaev chains of length N coupled with each other via nearest-neighbor inter-chain hopping ty and pairing Δ y . tx and Δ x denote the intra-chain hopping integral and pairing potential.