Dissipative Variational Quantum Algorithms for Gibbs State Preparation
In recent years, variational quantum algorithms have gained significant attention due to their adaptability and efficiency on near-term quantum hardware. They have shown potential in a variety of tasks, including linear algebra, search problems, Gibbs, and ground state preparation. Nevertheless, the...
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IEEE
2025-01-01
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| Series: | IEEE Transactions on Quantum Engineering |
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| Online Access: | https://ieeexplore.ieee.org/document/10777530/ |
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| author | Yigal Ilin Itai Arad |
| author_facet | Yigal Ilin Itai Arad |
| author_sort | Yigal Ilin |
| collection | DOAJ |
| description | In recent years, variational quantum algorithms have gained significant attention due to their adaptability and efficiency on near-term quantum hardware. They have shown potential in a variety of tasks, including linear algebra, search problems, Gibbs, and ground state preparation. Nevertheless, the presence of noise in current day quantum hardware severely limits their performance. In this work, we introduce dissipative variational quantum algorithms (D-VQAs) by incorporating dissipative operations, such as qubit RESET and stochastic gates, as an intrinsic part of a variational quantum circuit. We argue that such dissipative variational algorithms possess some natural resilience to dissipative noise. We demonstrate how such algorithms can prepare Gibbs states over a wide range of quantum many-body Hamiltonians and temperatures, while significantly reducing errors due to both coherent and noncoherent noise. An additional advantage of our approach is that no ancilla qubits are need. Our results highlight the potential of D-VQAs to enhance the robustness and accuracy of variational quantum computations on noisy intermediate-scale quantum (NISQ) devices. |
| format | Article |
| id | doaj-art-117c7397a1244c2a9180a097d92eec75 |
| institution | DOAJ |
| issn | 2689-1808 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Transactions on Quantum Engineering |
| spelling | doaj-art-117c7397a1244c2a9180a097d92eec752025-08-20T02:52:58ZengIEEEIEEE Transactions on Quantum Engineering2689-18082025-01-01611210.1109/TQE.2024.351141910777530Dissipative Variational Quantum Algorithms for Gibbs State PreparationYigal Ilin0https://orcid.org/0000-0001-9239-6679Itai Arad1https://orcid.org/0009-0005-5481-6333Andrew and Erna Viterbi Department of Electrical and Computer Engineering, Technion—Israel Institute of Technology, Haifa, IsraelCentre for Quantum Technologies, National University of Singapore, SingaporeIn recent years, variational quantum algorithms have gained significant attention due to their adaptability and efficiency on near-term quantum hardware. They have shown potential in a variety of tasks, including linear algebra, search problems, Gibbs, and ground state preparation. Nevertheless, the presence of noise in current day quantum hardware severely limits their performance. In this work, we introduce dissipative variational quantum algorithms (D-VQAs) by incorporating dissipative operations, such as qubit RESET and stochastic gates, as an intrinsic part of a variational quantum circuit. We argue that such dissipative variational algorithms possess some natural resilience to dissipative noise. We demonstrate how such algorithms can prepare Gibbs states over a wide range of quantum many-body Hamiltonians and temperatures, while significantly reducing errors due to both coherent and noncoherent noise. An additional advantage of our approach is that no ancilla qubits are need. Our results highlight the potential of D-VQAs to enhance the robustness and accuracy of variational quantum computations on noisy intermediate-scale quantum (NISQ) devices.https://ieeexplore.ieee.org/document/10777530/Dissipative quantum gatesGibbs statesnoisy intermediate-scale quantum (NISQ) hardwarequantum computingquantum error mitigationquantum noise resilience |
| spellingShingle | Yigal Ilin Itai Arad Dissipative Variational Quantum Algorithms for Gibbs State Preparation IEEE Transactions on Quantum Engineering Dissipative quantum gates Gibbs states noisy intermediate-scale quantum (NISQ) hardware quantum computing quantum error mitigation quantum noise resilience |
| title | Dissipative Variational Quantum Algorithms for Gibbs State Preparation |
| title_full | Dissipative Variational Quantum Algorithms for Gibbs State Preparation |
| title_fullStr | Dissipative Variational Quantum Algorithms for Gibbs State Preparation |
| title_full_unstemmed | Dissipative Variational Quantum Algorithms for Gibbs State Preparation |
| title_short | Dissipative Variational Quantum Algorithms for Gibbs State Preparation |
| title_sort | dissipative variational quantum algorithms for gibbs state preparation |
| topic | Dissipative quantum gates Gibbs states noisy intermediate-scale quantum (NISQ) hardware quantum computing quantum error mitigation quantum noise resilience |
| url | https://ieeexplore.ieee.org/document/10777530/ |
| work_keys_str_mv | AT yigalilin dissipativevariationalquantumalgorithmsforgibbsstatepreparation AT itaiarad dissipativevariationalquantumalgorithmsforgibbsstatepreparation |