Optimizing Parameterized Quantum Circuits with Free-Axis Selection

Hiroshi C. Watanabe,Rudy Raymond,Yu-ya Ohnishi,Eriko Kaminishi,Michihiko Sugawara

2021 IEEE International Conference on Quantum Computing and Engineering (QCE)（2021）

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摘要

Parameterized quantum circuits (PQCs), which are essential for variational quantum algorithms, have conventionally been optimized by parameterized rotational angles of single-qubit gates around predetermined set of axes. We propose a new method to optimize a PQC by continuous parameterization of both the angles and the axes of its single-qubit rotations. The method is based on the observation that...

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parameterized quantum circuits,quantum gates,variational algorithms,near-term quantum algorithms and applications

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