Quantum Zeno Monte Carlo for computing observables
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866910772868677632 |
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| author | Han, Mancheon Park, Hyowon Choi, Sangkook |
| author_facet | Han, Mancheon Park, Hyowon Choi, Sangkook |
| contents | The recent development of logical quantum processors marks a pivotal transition from the noisy intermediate-scale quantum (NISQ) era to the fault-tolerant quantum computing (FTQC) era. These devices have the potential to address classically challenging problems with polynomial computational time using quantum properties. However, they remain susceptible to noise, necessitating noise resilient algorithms. We introduce Quantum Zeno Monte Carlo (QZMC), a classical-quantum hybrid algorithm that demonstrates resilience to device noise and Trotter errors while showing polynomial computational cost for a gapped system. QZMC computes static and dynamic properties without requiring initial state overlap or variational parameters, offering reduced quantum circuit depth. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2403_02763 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Quantum Zeno Monte Carlo for computing observables Han, Mancheon Park, Hyowon Choi, Sangkook Quantum Physics Strongly Correlated Electrons The recent development of logical quantum processors marks a pivotal transition from the noisy intermediate-scale quantum (NISQ) era to the fault-tolerant quantum computing (FTQC) era. These devices have the potential to address classically challenging problems with polynomial computational time using quantum properties. However, they remain susceptible to noise, necessitating noise resilient algorithms. We introduce Quantum Zeno Monte Carlo (QZMC), a classical-quantum hybrid algorithm that demonstrates resilience to device noise and Trotter errors while showing polynomial computational cost for a gapped system. QZMC computes static and dynamic properties without requiring initial state overlap or variational parameters, offering reduced quantum circuit depth. |
| title | Quantum Zeno Monte Carlo for computing observables |
| topic | Quantum Physics Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2403.02763 |