AI Agents for Variational Quantum Circuit Design
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arXiv
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| Auteurs principaux: | , , , , |
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866910029913784320 |
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| author | Knipfer, Marco Roman, Alexander Matchev, Konstantin T. Matcheva, Katia Gleyzer, Sergei |
| author_facet | Knipfer, Marco Roman, Alexander Matchev, Konstantin T. Matcheva, Katia Gleyzer, Sergei |
| contents | Variational quantum circuits (VQCs) constitute a central building block of near-term quantum machine learning (QML), yet the principled design of expressive and trainable architectures remains a major open challenge. The VQC design space grows combinatorially with the number of qubits, layers, entanglement structures, and gate parameterizations, rendering manual circuit construction inefficient and often suboptimal. We introduce an autonomous agent-based framework for VQC architecture search that integrates high-level reasoning with a quantum simulation environment. The agent proposes candidate circuit architectures, evaluates them through fully automated training and validation pipelines, and iteratively improves its design strategy via performance-driven feedback. Empirically, we show that the agent autonomously evolves circuit architectures from simple initial ansätze toward increasingly expressive designs, progressively trying to improve task performance. This demonstrates that agentic AI can effectively navigate and refine the VQC design landscape with minimal human intervention, providing a scalable methodology for automated quantum model development in the Noisy Intermediate-Scale Quantum (NISQ) regime. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_19387 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | AI Agents for Variational Quantum Circuit Design Knipfer, Marco Roman, Alexander Matchev, Konstantin T. Matcheva, Katia Gleyzer, Sergei Quantum Physics Emerging Technologies High Energy Physics - Experiment High Energy Physics - Lattice High Energy Physics - Phenomenology Variational quantum circuits (VQCs) constitute a central building block of near-term quantum machine learning (QML), yet the principled design of expressive and trainable architectures remains a major open challenge. The VQC design space grows combinatorially with the number of qubits, layers, entanglement structures, and gate parameterizations, rendering manual circuit construction inefficient and often suboptimal. We introduce an autonomous agent-based framework for VQC architecture search that integrates high-level reasoning with a quantum simulation environment. The agent proposes candidate circuit architectures, evaluates them through fully automated training and validation pipelines, and iteratively improves its design strategy via performance-driven feedback. Empirically, we show that the agent autonomously evolves circuit architectures from simple initial ansätze toward increasingly expressive designs, progressively trying to improve task performance. This demonstrates that agentic AI can effectively navigate and refine the VQC design landscape with minimal human intervention, providing a scalable methodology for automated quantum model development in the Noisy Intermediate-Scale Quantum (NISQ) regime. |
| title | AI Agents for Variational Quantum Circuit Design |
| topic | Quantum Physics Emerging Technologies High Energy Physics - Experiment High Energy Physics - Lattice High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2602.19387 |