• T. Itogawa, Y. Takada, Y. Hirano, and K. Fujii,
    “Even more efficient magic state distillation by zero-level distillation” arXiv:2403.03991
  • Y.Akahoshi, K.Maruyama, H.Oshima, S.Sato, and K.Fujii,
    “Partially Fault-tolerant Quantum Computing Architecture with Error-corrected Clifford Gates and Space-time Efficient Analog Rotations” PRX Quantum 5(1), 010337 (2024). arXiv:2303.13181
  • 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” Phys. Rev. Res. 6(1), 013235(2024). arXiv:2307.03232
  • Y. Takada and K. Fujii,
    “Improving threshold for fault-tolerant color code quantum computing by flagged weight optimization” arXiv:2402.13958
  • Y. Takada, Y. Takeuchi, K. Fujii
    “Ising model formulation for highly accurate topological color codes decoding” Phys. Rev. Res. 6(1), 013092 (2024). arxiv:2303.01348
  • K. Mizuta and K. Fujii,
    “Recursive quantum eigenvalue and singular-value transformation: Analytic construction of matrix sign function by Newton iteration“ Phys. Rev. Res. 6(1), L012007 (2024). arXiv:2304.13330
  • M. Katsuda, K. Mitarai, and K. Fujii,
    “Simulation and performance analysis of quantum error correction with a rotated surface code under a realistic noise model” Phys. Rev. Res. 6(1), 013024 (2024). arXiv:2204.11404
  • K. Ito and K. Fujii
    “SantaQlaus: A resource-efficient method to leverage quantum shot-noise for optimization of variational quantum algorithms” arXiv:2312.15791
  • J. Fujisaki, K. Maruyama, H. Oshima, S. Sato, T. Sakashita, Y. Takeuchi, and K. Fujii,
    “Quantum error correction with an Ising machine under circuit-level noise” Phys. Rev. Res. 5(4), 043261 (2023). arXiv:2308.00369
  • Y. Akamatsu, S. Endo, K. Fujii, and M. Hongo
    “Complex-valued in-medium potential between heavy impurities in ultracold atoms” arXiv:2312.08241
  • KN. Okada, K. Osaki, K. Mitarai, and K. Fujii,
    “Classically optimized variational quantum eigensolver with applications to topological phases“ Phys. Rev. Res. 5(4), 043217(2023). arXiv:2202.02909
  • T. Yoshioka, K. Sasada, Y. Nakano, and K. Fujii
    “Experimental Demonstration of Fermionic QAOA with One-Dimensional Cyclic Driver Hamiltonian“ arXiv:2312.04710
  • Y. KawaseK. Mitarai, and K. Fujii,
    “Quantum Kernel t-Distributed Stochastic Neighbor Embedding“ arXiv:2312.00352
  • K. Morimoto, Y. Takase, K. Mitarai, and K. Fujii,
    “Continuous optimization by quantum adaptive distribution search“ arXiv:2311.17353
  • K. Sakamoto, H. Morisaki, J. Haruna, E. Itou, K. Fujii, and K. Mitarai,
    “End-to-end complexity for simulating the Schwinger model on quantum computers“ arXiv:2311.17388
  • Y. Ito, Y. Tanaka, and K. Fujii,
    “How to Map Linear Differential Equations to Schrödinger Equations via Carleman and Koopman-von Neumann Embeddings for Quantum Algorithms“ arXiv:2311.15628
  • Y. Takeuchi, Y. Takada, T. Sakashita, J. Fujisaki, H. Oshima, S. Sato, and K. Fujii,
    “Comparative study of decoding the surface code using simulated annealing under depolarizing noise“ arXiv:2311.07973
  • Y. Mori, H. Hakoshima, K. Sudo, T. Mori, K. Mitarai, and K. Fujii,
    “Quantum Circuit Unoptimization“ arXiv:2311.03805
  • H. Mori, K. Fujii, and K. Mizuta,
    “Comment on "Multivariable quantum signal processing (M-QSP): prophecies of the two-headed oracle"” arXiv:2310.00918
  • H. MorisakiK. MitaraiK. 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
  • 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
  • Y. Kawase and K. Fujii,
    “Fast classical simulation of Hamiltonian dynamics by simultaneous diagonalization using Clifford transformation with parallel computation” Computer Physics Communications 288, 108720 (2023). arXiv:2206.11664
  • 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
  • T. Yoshioka, K. Sasada, Y. Nakano, and K. Fujii,
    “Fermionic Quantum Approximate Optimization Algorithm“ Phys. Rev. Res. 5(2), 023071 (2023). arXiv:2301.10756
  • Y. Tanaka and K. Fujii,
    “Quantum Solvable Nonlinear Differential Equations“ arXiv:2305.00653
  • K. Ito, W. Mizukami, and K. Fujii,
    “Universal noise-precision relations in variational quantum algorithms” Phys. Rev. Res. 5(2), 023025 (2023)arXiv:2106.03390