| Paper Abstract and Keywords |
| Presentation |
2022-12-08 17:45
Optimal Measurement Configurations for Sequential Quantum Optimization of Variational Quantum Eigensolver
Katsuhiro Endo (AIST/Keio Univ.), Hiroshi Watanabe (Keio Univ.), Yuki Sato (Toyota Central R&D Labs., Inc./Keio Univ.), Rudy Raymond (IBM Japan,Ltd./Keio Univ./The Univ. of Tokyo), Naoki Yamamoto, Mayu Muramatsu (Keio Univ.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
Variational Quantum Eigenvalue solver (VQE) is a hybrid algorithm that optimizes a quantum state represented by a parametrized quantum circuit using a classical computer. As one of the optimization methods for VQE, a sequential optimization method was recently proposed, in which analytical optimal solutions are sequentially and repeatedly obtained for each single-qubit gate. This method use an important advantage that an exact analytical solution of one target parameterized gate can be obtained by expectation value measurement with a constant number of predetermined parameter configurations. In this study, we show that there is a high arbitrariness in the choice of these parameter configurations and that the estimation accuracy depends on the choice of the gates configurations, taking into account the effect of measurement shot noise due to the approximation of the expectation measurement with a finite number of measurements. We also proposed a score (E-Score) to quantitatively pre-evaluate the accuracy of the solution estimation, and showed the specific parameter configurations with the best scores for all parameter gate models. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Variational Quantum Eigensolver (VQE) / Optimal Measurement Configurations / Expectation value measurement / / / / / |
| Reference Info. |
IEICE Tech. Rep. |
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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) |
Optimal Measurement Configurations for Sequential Quantum Optimization of Variational Quantum Eigensolver |
| Sub Title (in English) |
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| Keyword(1) |
Variational Quantum Eigensolver (VQE) |
| Keyword(2) |
Optimal Measurement Configurations |
| Keyword(3) |
Expectation value measurement |
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| 1st Author's Name |
Katsuhiro Endo |
| 1st Author's Affiliation |
National Institute of Advanced Industrial Science and Technology/Keio University (AIST/Keio Univ.) |
| 2nd Author's Name |
Hiroshi Watanabe |
| 2nd Author's Affiliation |
Keio University (Keio Univ.) |
| 3rd Author's Name |
Yuki Sato |
| 3rd Author's Affiliation |
TOYOTA CENTRAL RESEARCH AND DEVELOPMENT LABORATORIES, INCORPORATED/Keio University (Toyota Central R&D Labs., Inc./Keio Univ.) |
| 4th Author's Name |
Rudy Raymond |
| 4th Author's Affiliation |
IBM Japan,Ltd./Keio University/The University of Tokyo (IBM Japan,Ltd./Keio Univ./The Univ. of Tokyo) |
| 5th Author's Name |
Naoki Yamamoto |
| 5th Author's Affiliation |
Keio University (Keio Univ.) |
| 6th Author's Name |
Mayu Muramatsu |
| 6th Author's Affiliation |
Keio University (Keio Univ.) |
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| Speaker |
Author-1 |
| Date Time |
2022-12-08 17:45:00 |
| Presentation Time |
15 minutes |
| Registration for |
QIT |
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| Volume (vol) |
vol. |
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