Topological defects in general quantum LDPC codes
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arXiv
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| Format: | Preprint |
| Published: |
2019
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| _version_ | 1866911774288117760 |
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| author | Lim, Pak Kau Shtengel, Kirill Pryadko, Leonid P. |
| author_facet | Lim, Pak Kau Shtengel, Kirill Pryadko, Leonid P. |
| contents | 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_1910_09646 |
| institution | arXiv |
| publishDate | 2019 |
| record_format | arxiv |
| spellingShingle | Topological defects in general quantum LDPC codes Lim, Pak Kau Shtengel, Kirill Pryadko, Leonid P. Quantum Physics Mathematical Physics 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. |
| title | Topological defects in general quantum LDPC codes |
| topic | Quantum Physics Mathematical Physics |
| url | https://arxiv.org/abs/1910.09646 |