研究成果・競争的資金
査読付き論文
2025
- Y. Nakata, Y. Takeuchi, M. Kliesch, and A. Darmawan, On computational complexity of unitary and state design properties, PRX Quantum 6, 030345 (2025).
- Y. Nakata, T. Matsuura, and M. Koashi, Decoding general error correcting codes and the role of complementarity, npj Quantum Inf 11, 4 (2025).
2024
- Y. Nakata, and M. Tezuka, Hayden-Preskill Recovery in Hamiltonian Systems, Phys. Rev. Research (Letter) 6, L022021 (2024).
- A. S. Darmawan, Y. Nakata, S. Tamiya, and H. Yamasaki, Low-depth random Clifford circuits for quantum coding against Pauli noise using a tensor-network decoder, Phys. Rev. Research 6, 023055 (2024).
2023
- Y. Nakata, E. Wakakuwa, and M. Koashi, Black holes as clouded mirrors: the Hayden-Preskill toy model with symmetry, Quantum 7, 928 (2023).
- E. Wakakuwa, Y. Nakata, One-Shot Triple-Resource Trade-Off in Quantum Channel Coding, IEEE Trans. Inf., vol. 69, no. 4, pp. 2400-2426 (2023).
2022
- E. Wakakuwa, Y. Nakata, and M.-H. Hsieh, One-Shot Trade-Off Bounds for State Redistribution of Classical-Quantum Sources, Quantum 6, 724 (2022).
- E. Bannai, Y. Nakata, T. Okuda, and Z. Da, Explicit construction of exact unitary designs, Adv. Math. Volume 405, 2022, 108457.
2021
- Y. Nakata, D. Zhao, T. Okuda, E. Bannai, Y. Suzuki, S. Tamiya, K. Heya, Z. Yan, K. Zuo, S. Tamate, Y. Tabuchi, and Y. Nakamura, Quantum circuits for exact unitary t-designs and applications to higher-order randomized benchmarking, PRX Quantum 2, 030339 (2021).
- E. Wakakuwa, and Y. Nakata, One-Shot Randomized and Nonrandomized Partial Decoupling, Commun. Math. Phys. 386, 589-649 (2021).
- Y. Nakata, E. Wakakuwa, and H. Yamasaki, One-shot quantum error correction of classical and quantum information: towards demonstration of quantum channel coding, Phys. Rev. A 104, 012408 (2021).
- Y. Nakata, T. Takayanagi, Y. Taki, K. Tamaoka, and Z. Wei (alphabetical order), New holographic generalization of entanglement entropy, Phys. Rev. D 103, 026005 (2021).
- E. Wakakuwa, and Y. Nakata, One-Shot Randomized and Nonrandomized Partial Decoupling, Commun. Math. Phys. 386, 589-649 (2021).
2020
- Y. Nakata, and M. Murao, Generic Entanglement Entropy for Quantum States with Symmetry, Entropy 2020, 22(6), 684.
2017
- Y. Nakata, C. Hirche, C. Morgan, and A. Winter, Decoupling with random diagonal-unitaries, Quantum 1, 18 (2017).
- Y. Nakata, C. Hirche, C. Morgan, and A. Winter, Unitary 2-designs from random X- and Z-diagonal unitaries, J. Math. Phys. 58, 052203 (2017).
- Y. Nakata, C. Hirche, M. Koashi, and A. Winter, Efficient unitary designs with nearly time-independent Hamiltonian dynamics, Phys. Rev. X 7, 021006 (2017).
2014
- Y. Nakata and T. J. Osborne, Thermal states of random quantum many-body systems, Phys. Rev. A 90, 050304(R) (2014), Editors' Suggestion.
- Y. Nakata and M. Murao, Diagonal quantum circuits: Their computational power and applications, Europ. Phys. J. Plus, Volume 129, Issue 7 (2014).
- Y. Nakata, M. Koashi, and M. Murao, Generating a state t-design by diagonal quantum circuits, New J. Phys. 16 053043 (2014).
2013
- Y. Nakata and M. Murao, Diagonal-unitary 2-designs and their implementations by quantum circuits, Int. J. Quantum Inform. 11, 1350062 (2013).
- A. J. P. Garner, O. C. O. Dahlsten Y. Nakata, M. Murao and V. Vedral, A framework for phase and interference in generalized probabilistic theories, New J. Phys. 15 093044 (2013).
- K. Fujii, Y. Nakata, M. Ohzeki and M. Murao, Measurement-Based Quantum Computation on Symmetry Breaking Thermal States, Phys. Rev. Lett. 110, 120502 (2013), Editors' suggestion.
2012
- Y. Nakata, P. S. Turner and M. Murao, Phase-random states: ensembles of states with fixed amplitudes and uniformly distributed phases in a fixed basis, Phys. Rev. A 86, 012301 (2012).
- J. Hide, Y. Nakata and M. Murao, Entanglement and the Interplay between Staggered Fields and Couplings, Phys. Rev. A 85, 042303 (2012).
2011
- Y. Nakata and M. Murao, Simulating typical entanglement with many-body Hamiltonian dynamics, Phys. Rev. A 84, 052321 (2011).
2009
- Y. Nakata, D. Markham and M. Murao, Thermal robustness of multipartite entanglement of the one-dimensional spin-1/2 XY model, Phys. Rev. A 79, 042313 (2009).
プロシーディングス
2014
- Y. Nakata, P. Turner and M. Murao, Entanglement of phase-random states, AIP Conf. Proc. 1633, 32 (2014).
2008
- Y. Nakata, D. Markham and M. Murao Thermal enhancement of entanglement sensitivity to the phase diagram in XY model, Int. J. Quantum Inform. 06, 751 (2008).
プレプリント
2024
- T. Utsumi, and Y. Nakata, Explicit decoders using fixed-point amplitude amplification based on QSVT, arXiv:2405.06051.
2022
- M. Fujii, R. Kutsuzawa, Y. Suzuki, Y. Nakata, M. Owari Characterizing quantum pseudorandomness by machine learning, arXiv:2210.06661.
2022
- K. Abdelkhalek, Y. Nakata, and D. Reeb, Fundamental energy cost for quantum measurement, arXiv:1609.06981.
書籍その他
2024
- 中田 芳史, 量子情報理論 ―情報から物理現象の理解まで―, 朝倉書店 (2024). Publisher page
2023
- 中田 芳史, “量子における確率・情報・ランダムネス,” 数理科学 61(5) [通号719] (2023.5), pp. 45–51. NDL Search
競争的資金
2024–2027
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JST さきがけ「物質と情報の量子協奏」（研究代表者：中田 芳史）
課題名「量子制御で切り拓くランダム量子多体系の高度情報機能」
2022–2025
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科研費 基盤研究(C) 22K03464（研究代表者：中田 芳史）
課題名「複雑な量子ダイナミクスに基づく新規量子情報技術と新奇物理現象の開拓」
2021–2025
-
科研費 学術変革領域研究(A) 21H05182（研究分担者、代表：高柳 匡）
課題名「極限宇宙の物理法則を創る－量子情報で拓く時空と物質の新しいパラダイム」 -
科研費 学術変革領域研究(A) 21H05183（研究分担者、代表：森前 智行）
課題名「理論物理学のための量子情報理論基礎」
2018–2021
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JST さきがけ「量子の状態制御と機能化」（研究代表者：中田 芳史）
課題名「持続可能な高度量子技術開発に向けた量子疑似ランダムネスの発展と応用」
2015–2017
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科研費 特別研究員奨励費（研究代表者：中田 芳史）
課題名「計算複雑性的アプローチによる量子多体系の理論研究」
2014–2015
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JSPS 人材育成事業 海外特別研究員（研究代表者：中田 芳史）
課題名「ランダムサンプリングの手法を用いた量子多体系の複雑性の解析」
2010–2013
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科研費 特別研究員奨励費（研究代表者：中田 芳史）
課題名「有限温度下での多体エンタングルメントの解析および関連する物理現象の探索・解析」