Leveraging hardware-control imperfections for error mitigation via generalized quantum subspace

• Item type: SIG Technical Reports(1)
• 公開日: 2022-06-30
• タイトル: Leveraging hardware-control imperfections for error mitigation via generalized quantum subspace
• タイトル / 言語: en
• タイトル: Leveraging hardware-control imperfections for error mitigation via generalized quantum subspace
• 言語: eng
• 資源タイプ / 資源タイプ識別子: http://purl.org/coar/resource_type/c_18gh
• 資源タイプ: technical report
• 著者所属: Graduate School of Media and Governance, Keio University SFC
• 著者所属: NTT Computer and Data Science Laboratories, NTT Corporation／JST, PRESTO
• 著者所属: Department of Applied Physics, University of Tokyo／Theoretical Quantum Physics Laboratory, RIKEN Cluster for Pioneering Research (CPR)／JST, PRESTO
• 著者所属(英): en
• 著者所属(英): Graduate School of Media and Governance, Keio University SFC
• 著者所属(英): en
• 著者所属(英): NTT Computer and Data Science Laboratories, NTT Corporation / JST, PRESTO
• 著者所属(英): en
• 著者所属(英): Department of Applied Physics, University of Tokyo / Theoretical Quantum Physics Laboratory, RIKEN Cluster for Pioneering Research (CPR) / JST, PRESTO
• 著者名: Yasuhiro, Ohkura; Suguru, Endo; Nobuyuki, Yoshioka
• 著者名(英): Yasuhiro, Ohkura; Suguru, Endo; Nobuyuki, Yoshioka
• 論文抄録 / 内容記述タイプ: Other
• 論文抄録 / 内容記述: In the era of noisy intermediate-scale quantum (NISQ) computing, it is vital to mitigate the effect of quantum noise in order to achieve meaningful computation. In the previous study, the fault-subspace error mitigation as a subclass of the generalized quantum subspace expansion method was introduced as a noise agnostic quantum error mitigation technique. It effectively constructs an error-mitigated quantum state by employing multiple copies of the quantum state, each of which has a different level of quantum noise as an extended subspace; it thus allows for efficient suppression of stochastic, coherent, and algorithmic errors. In this work, we further explore the potential of the GSE-based error mitigation techniques to leverage imperfection in hardware control, instead of straightforwardly trying to reduce their intensity. We demonstrate the validity of our proposals via numerical experiments that employ the noise profiles reported in IBM 's quantum devices.
• 論文抄録(英) / 内容記述タイプ: Other
• 論文抄録(英) / 内容記述: In the era of noisy intermediate-scale quantum (NISQ) computing, it is vital to mitigate the effect of quantum noise in order to achieve meaningful computation. In the previous study, the fault-subspace error mitigation as a subclass of the generalized quantum subspace expansion method was introduced as a noise agnostic quantum error mitigation technique. It effectively constructs an error-mitigated quantum state by employing multiple copies of the quantum state, each of which has a different level of quantum noise as an extended subspace; it thus allows for efficient suppression of stochastic, coherent, and algorithmic errors. In this work, we further explore the potential of the GSE-based error mitigation techniques to leverage imperfection in hardware control, instead of straightforwardly trying to reduce their intensity. We demonstrate the validity of our proposals via numerical experiments that employ the noise profiles reported in IBM 's quantum devices.
• 書誌レコードID / 収録物識別子タイプ: NCID
• 書誌レコードID / 収録物識別子: AA12894105
• 書誌情報: 量子ソフトウェア（QS）; 巻 2022-QS-6, 号 6, p. 1-6, 発行日 2022-06-30
• ISSN / 収録物識別子タイプ: ISSN
• ISSN / 収録物識別子: 2435-6492
• Notice: SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc.
• 出版者 / 言語: ja
• 出版者: 情報処理学会