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The construction of a universal quantum gate set for the SU(2)k (k=5,6,7) anyon models via GA-enhanced SK algorithm

The construction of a universal quantum gate set for the SU(2)k (k=5,6,7) anyon models via GA-enhanced SK algorithm

来源:Arxiv_logoArxiv
英文摘要

We study systematically numerical method into constructing a universal quantum gate set for topological quantum computation (TQC) using SU(2)k anyon models. The F-symbol and R-symbol matrices were computed through the q-deformed representation theory of SU(2), enabling precise determination of elementary braiding matrices (EBMs) for SU(2)k anyon systems. Quantum gates were subsequently derived from these EBMs through systematic implementations. One-qubit gates were synthesized using a genetic algorithm-enhanced Solovay-Kitaev algorithm (GA-enhanced SKA), while two-qubit gates were constructed through brute-force search or GA optimization to approximate local equivalence classes of the CNOT gate. Implementing this framework for SU(2)5, SU(2)6, and SU(2)7 models successfully generated the canonical universal gate set {H-gate, T-gate, CNOT-gate}. Comparative benchmarking against the Fibonacci anyon model demonstrate that SU(2)5,6,7 implementations achieve comparable or superior fidelity in gate construction. These numerical results provide conclusive verification of the universal quantum computation capabilities inherent in SU(2)k anyon models. Furthermore, we get exact implementations of the local equivalence class [SWAP] using nine EBMs in each SU(2)5, SU(2)6, and SU(2)7 configuration.

Lijun Meng、Jiangwei Long、Jianxin Zhong

物理学

Lijun Meng,Jiangwei Long,Jianxin Zhong.The construction of a universal quantum gate set for the SU(2)k (k=5,6,7) anyon models via GA-enhanced SK algorithm[EB/OL].(2025-05-03)[2025-06-07].https://arxiv.org/abs/2505.01774.点此复制

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