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- W4377099103 abstract "Observing rapid developments of both the number of qubits and quantum volume, especially with recent advances in ion-trap quantum computers, it is no doubt that Fault-Tolerant-Quantum-Computer (FTQC) will be realized in the near future. Since FTQC requires 10,000 physical qubits for every 100 logical ones, it will be used as the first large-scale Noisy-Intermediate-Scale-Quantum (NISQ) . The Variational Quantum Eigensolver (VQE) method will be used until large-scale FTQC with more than 100 logical qubits are realized. Therefore, the VQE method must be improved with respect to both accuracy and time to solution using large resource of the near FTQC . In this paper, we propose Tangent-Vector VQE (TVVQE) method to manage these issues. The method optimizes the norm of tangent vector of trial energy. We demonstrate the calculation of energy levels on Hydrogen molecule, Hubbard model, and Lithium Hydride molecule and reveal that TVVQE has a potential to calculate ground and excited energy levels more accurately than other VQE methods." @default.
- W4377099103 created "2023-05-20" @default.
- W4377099103 creator A5025298368 @default.
- W4377099103 creator A5031397098 @default.
- W4377099103 date "2021-05-03" @default.
- W4377099103 modified "2023-09-29" @default.
- W4377099103 title "Tangent Vector Variational Quantum Eigensolver: A Robust Variational Quantum Eigensolver against the inaccuracy of derivative" @default.
- W4377099103 doi "https://doi.org/10.48550/arxiv.2105.01141" @default.
- W4377099103 hasPublicationYear "2021" @default.
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