| Paper Abstract and Keywords |
| Presentation |
2022-12-09 12:15
A highly accurate decoding of the surface code using Ising model solver
Yusaku Takeuchi, Keisuke Fujii (Osaka Univ) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
Decoding of surface codes can be done efficiently using minimum-weight perfect matching (MWPM). However, MWPM is not optimal for correlated X and Z errors, i.e, $Y$ error, such as depolarizing noise.
In this study, wemap the surface code decoding problem to energy minimization problem of the Ising model and propose a decoding method using simulated annealing to solve it. Through a series of numerical simulations, the proposed method achieves higher decoding accuracy than MWPM under depolarizing noise and shows comparable performance to decoding using CPLEX, which solves the combinatorial optimization problem exactly.Special-purpose hardware is now being developed to accelerate the approximate optimization of the Ising problem, and hence further speed-up is expected by using these hardware. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Surface Code / Ising Model / Simulated Annealing / / / / / |
| Reference Info. |
IEICE Tech. Rep. |
| Paper # |
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| Download PDF |
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| Conference Information |
| Committee |
QIT |
| Conference Date |
2022-12-08 - 2022-12-09 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Keio Univ. |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
Quantum Information |
| Paper Information |
| Registration To |
QIT |
| Conference Code |
2022-12-QIT |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
A highly accurate decoding of the surface code using Ising model solver |
| Sub Title (in English) |
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| Keyword(1) |
Surface Code |
| Keyword(2) |
Ising Model |
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Simulated Annealing |
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| 1st Author's Name |
Yusaku Takeuchi |
| 1st Author's Affiliation |
Osaka University (Osaka Univ) |
| 2nd Author's Name |
Keisuke Fujii |
| 2nd Author's Affiliation |
Osaka University (Osaka Univ) |
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| Speaker |
Author-1 |
| Date Time |
2022-12-09 12:15:00 |
| Presentation Time |
15 minutes |
| Registration for |
QIT |
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vol. |
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