Functional matrix product state simulation of continuous variable quantum circuits
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arXiv
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| Hauptverfasser: | , , |
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| _version_ | 1866910071326244864 |
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| author | Michelsen, Andreas Bock Marqversen, Frederik K. Kastoryano, Michael |
| author_facet | Michelsen, Andreas Bock Marqversen, Frederik K. Kastoryano, Michael |
| contents | We introduce a functional matrix product state (FMPS) based method for simulating the real-space representation of continuous-variable (CV) quantum computation. This approach efficiently simulates non-Gaussian CV systems by leveraging their functional form. By addressing scaling bottlenecks, FMPS enables more efficient simulation of shallow, multi-mode CV quantum circuits with non-Gaussian input states. The method is validated by simulating random shallow and cascaded circuits with highly non-Gaussian input states, showing superior performance compared to existing techniques, also in the presence of loss. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2504_05860 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Functional matrix product state simulation of continuous variable quantum circuits Michelsen, Andreas Bock Marqversen, Frederik K. Kastoryano, Michael Quantum Physics We introduce a functional matrix product state (FMPS) based method for simulating the real-space representation of continuous-variable (CV) quantum computation. This approach efficiently simulates non-Gaussian CV systems by leveraging their functional form. By addressing scaling bottlenecks, FMPS enables more efficient simulation of shallow, multi-mode CV quantum circuits with non-Gaussian input states. The method is validated by simulating random shallow and cascaded circuits with highly non-Gaussian input states, showing superior performance compared to existing techniques, also in the presence of loss. |
| title | Functional matrix product state simulation of continuous variable quantum circuits |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2504.05860 |