H. Morisaki, K. Mitarai, K. Fujii, and Y.O. Nakagawa “Classical variational optimization of PREPARE circuit for quantum phase estimation of quantum chemistry Hamiltonians” arXiv:2308.13770
A. Siegel, K. Mitarai, and K. Fujii “Algorithmic error mitigation for quantum eigenvalues estimation” arXiv:2308.03879
J. Fujisaki, K. Maruyama, H. Oshima, S. Sato, T. Sakashita, Y. Takeuchi, K. Fujii “Quantum error correction with an Ising machine under circuit-level noise” arXiv:2308.00369
T. Ichikawa, H. Hakoshima, K. Inui, K. Ito, R. Matsuda, K. Mitarai, K. Miyamoto, W. Mizukami, K. Mizuta, T. Mori, Y. Nakano, A. Nakayama, K.N. Okada, T. Sugimoto, S. Takahira, N. Takemori, S. Tsukano, H. Ueda, R. Watanabe, Y. Yoshida, and K. Fujii “A comprehensive survey on quantum computer usage: How many qubits are employed for what purposes?” arXiv:2307.16130
T.N. Ikeda and K. Fujii, “Trotter24: A precision-guaranteed adaptive stepsize Trotterization for Hamiltonian simulations” arxiv.2307.05406
A. Singh, K. Mitarai, Y. Suzuki, K. Heya, Y. Tabuchi, K. Fujii, and Y. Nakamura, “Experimental demonstration of a high-fidelity virtual two-qubit gate” arXiv:2307.03232
R. Watanabe, K. Fujii, and H. Ueda “Entangled embedding variational quantum eigensolver with tensor network ansatz” arXiv:2305.06536
Y. Nakano, H. Hakoshima, K. Mitarai, and K. Fujii “QAOA-MC: Markov chain Monte Carlo enhanced by Quantum Alternating Operator Ansatz“ arXiv:2305.08789
K. Mizuta and K. Fujii “Recursive Quantum Eigenvalue/Singular-Value Transformation: Analytic Construction of Matrix Sign Function by Newton Iteration“ arXiv:2304.13330