Density matrix renormalization group study of the interacting Kitaev chain with quasi-periodic disorder
arXiv:2402.12897 · doi:10.1140/epjb/s10051-024-00690-8
Abstract
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 was obtained for systems of 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.
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