Publications

Shohei Miyakoshi, Takanori Sugimoto, Tomonori Shirakawa, Seiji Yunoki, Hiroshi Ueda (2026). High-Precision Variational Quantum SVD via Classical Orthogonality Correction. arXiv:2605.08683 [quant-ph].

Ryo Watanabe, Joseph Tindall, Shohei Miyakoshi, Hiroshi Ueda (2026). Quantum-Inspired Algorithm for Classical Spin Hamiltonians Based on Matrix Product Operators. arXiv:2602.05224 (2026) [15 pages].

Takumi Kaneda, Keisuke Fujii, Hiroshi Ueda (2026). Large-scale quantum device benchmarking via LXEB with particle-number-conserving random quantum circuits. Physical Review Research.

Ryo Watanabe, Hidetaka Manabe, Toshiya Hikihara, Hiroshi Ueda (2026). TTNOpt: Tree tensor network package for high-rank tensor compression. Computer Physics Communications 319, 109918.

Ryo Watanabe, Toshiya Hikihara, Hiroshi Ueda (2025). Site-Order Optimization in the Density Matrix Renormalization Group via Multi-Site Rearrangement. arXiv:2512.22021 (2025).

Toshiya Hikihara, Hiroshi Ueda, Kouichi Okunishi, Kenji Harada, Tomotoshi Nishino (2025). Improving the accuracy of the tree-tensor network approach by optimization of network structure. Physical Review B.

Wenlin Li, Chengsong Zhao, Najmeh Eshaqi-Sani, Zhiyu Jiang, Xingli Li (2025). The detection of Planck-scale physics facilitated by nonlinear quantum optics. arXiv:2510.07844 [quant-ph].

Jozef Genzor, Roman Krčmár, Hiroshi Ueda, Denis Kochan, Andrej Gendiar, Tomotoshi Nishino (2025). Phase Transition of the Ising Model on a 3-Dimensional Fractal Lattice. arXiv:2506.17053 [7 pages].

Shohei Miyakoshi, Takanori Sugimoto, Tomonori Shirakawa, Seiji Yunoki, Hiroshi Ueda (2024). Diamond-shaped quantum circuit for real-time quantum dynamics in one dimension. Phys. Rev. Research.

Tomonori Shirakawa, Hiroshi Ueda, Seiji Yunoki (2024). Automatic quantum circuit encoding of a given arbitrary quantum state. Physical Review Research 6, 043008.