# Edge mode locality in perturbed symmetry protected topological order

@article{Goihl2019EdgeML, title={Edge mode locality in perturbed symmetry protected topological order}, author={M. Goihl and C. Krumnow and M. Gluza and J. Eisert and N. Tarantino}, journal={arXiv: Disordered Systems and Neural Networks}, year={2019}, volume={6}, pages={072} }

Spin chains with symmetry-protected edge zero modes can be seen as prototypical systems for exploring topological signatures in quantum systems. These are useful for robustly encoding quantum information. However in an experimental realization of such a system, spurious interactions may cause the edge zero modes to delocalize. To stabilize against this influence beyond simply increasing the bulk gap, it has been proposed to harness suitable notions of disorder. Equipped with numerical tools for… CONTINUE READING

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