Topological phases in the presence of disorder and longer-range couplings

We document the ground state phase diagram of the one-dimensional Kitaev chain with quasi-periodic disorder in the presence of two-body interactions. Our data were obtained for systems of $$L=1000$$ L = 1000 sites using large-scale density-matrix renormalization group numerics and is benchmarked against known results for the clean system. We demonstrate that moderate quasi-periodic disorder stabilizes the topological phase both for repulsive and attractive interactions. For larger disorder strengths, the system features re-entrance behavior and multiple phase transitions. Graphical abstract Phase diagram as a function of the chemical potential and the disorder strength for repulsive interactions

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Topological phases in the presence of disorder and longer-range couplings

Cited by 2 publications

References 68 publications

Topological phases induced by charge fluctuations in Majorana wires

Topological phases induced by charge fluctuations in Majorana wires

Density matrix renormalization group study of the interacting Kitaev chain with quasi-periodic disorder

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