| Paper Abstract and Keywords |
| Presentation |
2024-11-28 15:40
Robust ground state energy ettimation via adiabatic state preparation using symmetry
Hiroki Kuji, Yuta Shingu, Tetsuro Nikuni (TUS), Takashi Imoto (AIST), Kenji Sugisaki (Keio univ.), Yuichiro Matsuzaki (Chuo Univ.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
In quantum chemistry, it is extremely important to accurately determine the ground and excited state energies of the Hamiltonian. Many methods have been proposed to estimate the energy gap between the ground and excited states. The conventional approach is to use phase estimation algorithm. Recently, a novel method that can directly estimate the energy gap without using controlled time evolution has been proposed, which is characterized by the combination of quantum annealing and Ramsey-type measurement. However, the method using Ramsey-type measurement can only determine the energy gap. Therefore, the ground energy itself cannot be obtained. We propose a method to obtain the ground energy without using the controlled time evolution by utilizing symmetry of the Hamiltonian. A major advantage of our method is robust against nonadiabatic transitions during quantum annealing. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Quantum Computation / Phase Estimation / Quantum Annealing / Quantum Chemistry / / / / |
| Reference Info. |
IEICE Tech. Rep. |
| Paper # |
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| Download PDF |
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| Conference Information |
| Committee |
QIT |
| Conference Date |
2024-11-26 - 2024-11-28 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Sunport Hall Takamatsu |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
Quantum Information |
| Paper Information |
| Registration To |
QIT |
| Conference Code |
2024-11-QIT |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Robust ground state energy ettimation via adiabatic state preparation using symmetry |
| Sub Title (in English) |
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| Keyword(1) |
Quantum Computation |
| Keyword(2) |
Phase Estimation |
| Keyword(3) |
Quantum Annealing |
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Quantum Chemistry |
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| 1st Author's Name |
Hiroki Kuji |
| 1st Author's Affiliation |
Tokyo University of Science (TUS) |
| 2nd Author's Name |
Yuta Shingu |
| 2nd Author's Affiliation |
Tokyo University of Science (TUS) |
| 3rd Author's Name |
Tetsuro Nikuni |
| 3rd Author's Affiliation |
Tokyo University of Science (TUS) |
| 4th Author's Name |
Takashi Imoto |
| 4th Author's Affiliation |
National Institute of Advanced Industrial Science and Technology (AIST) |
| 5th Author's Name |
Kenji Sugisaki |
| 5th Author's Affiliation |
Keio University (Keio univ.) |
| 6th Author's Name |
Yuichiro Matsuzaki |
| 6th Author's Affiliation |
Chuo University (Chuo Univ.) |
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| Speaker |
Author-1 |
| Date Time |
2024-11-28 15:40:00 |
| Presentation Time |
20 minutes |
| Registration for |
QIT |
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| Volume (vol) |
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