Rchr
J-GLOBAL ID：202101008243519475
Update date: Apr. 07, 2024
Kuwahara Tomotaka
クワハラ トモタカ | Kuwahara Tomotaka
Affiliation and department：
Job title：
RIKEN Hakubi team leader
Homepage URL (2)：
https://www.riken.jp/research/labs/rqc/anl_qtm_compl_riken_hakubi/
,
https://www.riken.jp/en/research/labs/rqc/anl_qtm_compl_riken_hakubi/index.html
Research field (1)：
Mathematical physics and basic theory
Research keywords (1)：
Quantum information, entanglement, Hamiltonian complexity, quantum many-body systems, Lieb-Robinson bound
Research theme for competitive and other funds (3)：
- 2021 - 2025 Exponential speedup in quantum computing based on quantum many-body theory
- 2018 - 2022 Computational complexity of quantum many-body problem in terms of Tensor Network formalism
- 2014 - 2016 量子多体系基底状態の複雑性の解析---量子情報論的視点---
Papers (25)：
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Tomotaka Kuwahara, Tan Van Vu, Keiji Saito. Effective light cone and digital quantum simulation of interacting bosons. Nature Communications. 2024. 15. 1. 2520
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Tomotaka Kuwahara, Keiji Saito. Exponential Clustering of Bipartite Quantum Entanglement at Arbitrary Temperatures. Physical Review X. 2022. 12. 2
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Takaaki Minato, Koudai Sugimoto, Tomotaka Kuwahara, Keiji Saito. Fate of Measurement-Induced Phase Transition in Long-Range Interactions. Physical Review Letters. 2022. 128. 1
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Tomotaka Kuwahara, Keiji Saito. Lieb-Robinson Bound and Almost-Linear Light Cone in Interacting Boson Systems. Physical Review Letters. 2021. 127. 7
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Anurag Anshu, Srinivasan Arunachalam, Tomotaka Kuwahara, Mehdi Soleimanifar. Sample-efficient learning of interacting quantum systems. Nature Physics. 2021. 17. 8. 931-935
ｍore...
MISC (6)：
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Kuwahara Tomotaka, Arad Itai, Amico Luigi, Vedral Vlatko. 8pAZ-3 Stability to an external perturbation implies no quantum macroscopicity. Meeting abstracts of the Physical Society of Japan. 2014. 69. 2. 75-75
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Kuwahara Tomotaka. Complementary inequality between the Fisher information and the energy gap. Meeting abstracts of the Physical Society of Japan. 2013. 68. 2. 222-222
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Kuwahara Tomotaka. 27pXX-10 General upper bound of energy gap in terms of fluctuation of additive operators. Meeting abstracts of the Physical Society of Japan. 2013. 68. 1. 365-365
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Kuwahara Tomotaka. 18aAK-10 General conditions for the generation of the long-distance entanglement. Meeting abstracts of the Physical Society of Japan. 2012. 67. 2. 124-124
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Kuwahara Tomotaka, Hatano Naomichi. 21pED-1 Maximization of the thermal entanglement of indirectly interacting two qubits. Meeting abstracts of the Physical Society of Japan. 2011. 66. 2. 134-134
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Lectures and oral presentations (10)：
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Clustering of conditional mutual information and quantum Markov structure at arbitrary temperatures
(27th Annual Conference on Quantum Information Processing (QIP 2024) 2024)
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Unifying speed limit and Lieb-Robinson bound: Wisdom from optimal transport
(27th Annual Conference on Quantum Information Processing (QIP 2024) 2024)
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Optimal light cone and digital quantum simulation of interacting bosons
(26th Conference on Quantum Information Processing (QIP2023) 2023)
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Exponential clustering of bipartite quantum entanglement at arbitrary temperatures
(25th Annual Conference on Quantum Information Processing (QIP2022) 2022)
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Lieb-Robinson bound and almost linear light cone in interacting boson systems
(16th Conference on the Theory of Quantum Computation, Communication and Cryptography (TQC2021) 2021)
ｍore...
Education (3)：
- 2012 - 2015 The University of Tokyo Faculty of Science, Department of Physics Ph.D. in Physics
- 2010 - 2012 The University of Tokyo Faculty of Science, Department of Physics Master in Physics
- 2008 - 2010 The University of Tokyo The Faculty of Engineering, Department of Applied Physics Bachelor in Applied Physics
Work history (5)：
- 2022/04 - 現在 RIKEN RIKEN Cluster for Pioneering Research / RIKEN Center for Quantum Computing RIKEN Hakubi team leader
- 2021/10 - 現在 Japan Science and Technology Agency Sakigake Researcher
- 2017/10 - 2022/03 RIKEN Center for Advanced Intelligence Project Research scientist
- 2016/01 - 2017/09 Tohoku University Advanced Institute for Materials Research (AIMR)
- 2015/04 - 2015/12 The University of Tokyo JSPS Research Fellowship for Young Scientists (JSPS PD)
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