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arXiv · 1910.09646

Topological defects in general quantum LDPC codes

Pak Kau Lim·Kirill Shtengel·Leonid P. Pryadko
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Abstract

We consider the structure of defects carrying quantum information in general quantum low-density parity-check (LDPC) codes. These generalize the corresponding constructions for topological quantum codes, without the need for locality. Relation of such defects to (generalized) topological entanglement entropy is also discussed.

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Pak Kau Lim, Kirill Shtengel, Leonid P. Pryadko. 2019-10-21. Topological defects in general quantum LDPC codes. https://doi.org/10.1142/9789811231711_0003

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