Minimum hardware requirements for hybrid quantum-classical DMFT
We numerically emulate noisy intermediate-scale quantum (NISQ) devices and determine the minimal hardware requirements for two-site hybrid quantum-classical dynamical mean-field theory (DMFT). We develop a circuit recompilation algorithm which significantly reduces the number of quantum gates of the...
| Main Authors: | , , , , |
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| Format: | Journal article |
| Language: | English |
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IOP Science
2020
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| _version_ | 1826263759203598336 |
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| author | Jaderberg, B Agarwal, A Leonhardt, K Kiffner, M Jaksch, D |
| author_facet | Jaderberg, B Agarwal, A Leonhardt, K Kiffner, M Jaksch, D |
| author_sort | Jaderberg, B |
| collection | OXFORD |
| description | We numerically emulate noisy intermediate-scale quantum (NISQ) devices and determine the minimal hardware requirements for two-site hybrid quantum-classical dynamical mean-field theory (DMFT). We develop a circuit recompilation algorithm which significantly reduces the number of quantum gates of the DMFT algorithm and find that the quantum-classical algorithm converges if the two-qubit gate fidelities are larger than 99%. The converged results agree with the exact solution within 10%, and perfect agreement within noise-induced error margins can be obtained for two-qubit gate fidelities exceeding 99.9%. By comparison, the quantum-classical algorithm without circuit recompilation requires a two-qubit gate fidelity of at least 99.999% to achieve perfect agreement with the exact solution. We thus find quantum-classical DMFT calculations can be run on the next generation of NISQ devices if combined with the recompilation techniques developed in this work. |
| first_indexed | 2024-03-06T19:56:57Z |
| format | Journal article |
| id | oxford-uuid:25ee9e14-e2fe-4ca8-89f8-9acee80eb0c4 |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-06T19:56:57Z |
| publishDate | 2020 |
| publisher | IOP Science |
| record_format | dspace |
| spelling | oxford-uuid:25ee9e14-e2fe-4ca8-89f8-9acee80eb0c42022-03-26T11:58:18ZMinimum hardware requirements for hybrid quantum-classical DMFTJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:25ee9e14-e2fe-4ca8-89f8-9acee80eb0c4EnglishSymplectic ElementsIOP Science 2020Jaderberg, BAgarwal, ALeonhardt, KKiffner, MJaksch, DWe numerically emulate noisy intermediate-scale quantum (NISQ) devices and determine the minimal hardware requirements for two-site hybrid quantum-classical dynamical mean-field theory (DMFT). We develop a circuit recompilation algorithm which significantly reduces the number of quantum gates of the DMFT algorithm and find that the quantum-classical algorithm converges if the two-qubit gate fidelities are larger than 99%. The converged results agree with the exact solution within 10%, and perfect agreement within noise-induced error margins can be obtained for two-qubit gate fidelities exceeding 99.9%. By comparison, the quantum-classical algorithm without circuit recompilation requires a two-qubit gate fidelity of at least 99.999% to achieve perfect agreement with the exact solution. We thus find quantum-classical DMFT calculations can be run on the next generation of NISQ devices if combined with the recompilation techniques developed in this work. |
| spellingShingle | Jaderberg, B Agarwal, A Leonhardt, K Kiffner, M Jaksch, D Minimum hardware requirements for hybrid quantum-classical DMFT |
| title | Minimum hardware requirements for hybrid quantum-classical DMFT |
| title_full | Minimum hardware requirements for hybrid quantum-classical DMFT |
| title_fullStr | Minimum hardware requirements for hybrid quantum-classical DMFT |
| title_full_unstemmed | Minimum hardware requirements for hybrid quantum-classical DMFT |
| title_short | Minimum hardware requirements for hybrid quantum-classical DMFT |
| title_sort | minimum hardware requirements for hybrid quantum classical dmft |
| work_keys_str_mv | AT jaderbergb minimumhardwarerequirementsforhybridquantumclassicaldmft AT agarwala minimumhardwarerequirementsforhybridquantumclassicaldmft AT leonhardtk minimumhardwarerequirementsforhybridquantumclassicaldmft AT kiffnerm minimumhardwarerequirementsforhybridquantumclassicaldmft AT jakschd minimumhardwarerequirementsforhybridquantumclassicaldmft |