n-Qubit Operations on Sphere and Queueing Scaling Limits for Programmable Quantum Computer
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arXiv
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| Natura: | Preprint |
| Pubblicazione: |
2021
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| _version_ | 1866914683807596544 |
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| author | Dai, Wanyang |
| author_facet | Dai, Wanyang |
| contents | We study n-qubit operation rules on (n+1)-sphere with the target to help developing a (photon or other technique) based programmable quantum computer. In the meanwhile, we derive the scaling limits (called reflecting Gaussian random fields on a (n+1)-sphere) for n-qubit quantum computer based queueing systems under two different heavy traffic regimes. The queueing systems are with multiple classes of users and batch quantum random walks over the $(n+1)$-sphere as arrival inputs. In the first regime, the qubit number $n$ is fixed and the scaling is in terms of both time and space. Under this regime, performance modeling during deriving the scaling limit in terms of balancing the arrival and service rates under first-in first-out and work conserving service policy is conducted. In the second regime, besides the time and space scaling parameters, the qubit number $n$ itself is also considered as a varying scaling parameter with the additional aim to find a suitable number of qubits for the design of a quantum computer. This regime is in contrast to the well-known Halfin-Whitt regime. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2109_14266 |
| institution | arXiv |
| publishDate | 2021 |
| record_format | arxiv |
| spellingShingle | n-Qubit Operations on Sphere and Queueing Scaling Limits for Programmable Quantum Computer Dai, Wanyang Quantum Physics Emerging Technologies Information Theory Performance Probability We study n-qubit operation rules on (n+1)-sphere with the target to help developing a (photon or other technique) based programmable quantum computer. In the meanwhile, we derive the scaling limits (called reflecting Gaussian random fields on a (n+1)-sphere) for n-qubit quantum computer based queueing systems under two different heavy traffic regimes. The queueing systems are with multiple classes of users and batch quantum random walks over the $(n+1)$-sphere as arrival inputs. In the first regime, the qubit number $n$ is fixed and the scaling is in terms of both time and space. Under this regime, performance modeling during deriving the scaling limit in terms of balancing the arrival and service rates under first-in first-out and work conserving service policy is conducted. In the second regime, besides the time and space scaling parameters, the qubit number $n$ itself is also considered as a varying scaling parameter with the additional aim to find a suitable number of qubits for the design of a quantum computer. This regime is in contrast to the well-known Halfin-Whitt regime. |
| title | n-Qubit Operations on Sphere and Queueing Scaling Limits for Programmable Quantum Computer |
| topic | Quantum Physics Emerging Technologies Information Theory Performance Probability |
| url | https://arxiv.org/abs/2109.14266 |