学術論文(出版済み)

2024年

Optimal light cone for macroscopic particle transport in long-range systems: A quantum speed limit approach
Tan Van Vu, Tomotaka Kuwahara, Keiji Saito
Quantum 8, 1483

Quantum

Optimal light cone for macroscopic particle transport in long-range systems: A quantum speed limit a… Tan Van Vu, Tomotaka Kuwahara, and Keiji Saito, Quantum 8, 1483 (2024). Understanding the ultimate rate at which information propagates is a pivotal issue in no…

Fidelity-dissipation relations in quantum gatesFidelity-dissipation relations in quantum gates
Tan Van Vu, Tomotaka Kuwahara, Keiji Saito
Physical Review Research 6 (3), 033225

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Physical Review Research 6 (3), 033225

Black hole graviton and quantum gravity
Yusuke Kimura
Physica Scripta, 99 045024

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Resonance-dominant optomechanical entanglement in open quantum systems,
Cheng Shang and Hongchao Li,
Phys. Rev. Applied 21, 044048

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Effective light cone and digital quantum simulation of interacting bosons
Tomotaka Kuwahara, Tan Van Vu, Keiji Saito,
Nature Communications 15 (1), 2520 （Presented in QIP’23）

Selected as Editor’s Highlight

Nature

Quantum In this page, we highlight research papers in the areas of quantum information, computation and communication, quantum technologies, and fundamental aspects …

プレスリリース
“量子もつれの伝達速度限界を解明”

Phys. Org.
“Scientists investigate information propagation in interacting bosonic systems”

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Scientists investigate information propagation in interacting bosonic systems A new study by scientists from Japan explores the propagation of quantum information within interacting boson systems like Bose-Einstein condensates (BECs), rev…

RIKEN Research Highlight
“Boson systems break the finite speed limit”

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Boson systems break the finite speed limit RIKEN researchers have shown that, unlike in systems of fermions, systems of interacting bosons can accelerate the transmission of information

Dissipation, quantum coherence, and asymmetry of finite-time cross-correlations
Tan Van Vu, Van Tuan Vo, Keiji Saito
Physical Review Research 6 (1), 013273

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2023年

Eight-dimensional non-geometric heterotic strings and enhanced gauge groups
Yusuke Kimura
The European Physical Journal Special Topics, 232(23), 3697-3704

Analytical approach to higher-order correlation functions in U(1) symmetric systems
Zhi-Guang Lu, Cheng Shang, Ying Wu, Xin-You Lü
Physical Review A 108, 053703

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Universal bounds on the performance of information-thermodynamic engine
Tomohiro Tanogami, Tan Van Vu, Keiji Saito
Physical Review Research 5 (4), 043280

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Convergence condition of simulated quantum annealing with a non-stoquastic catalyst
Yusuke Kimura, Hidetoshi Nishimori
Journal of Physics A: Mathematical and Theoretical 56 (16), 165304

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2022年

Exponential clustering of bipartite quantum entanglement at arbitrary temperatures
Tomotaka Kuwahara, Keiji Saito
Physical Review X 12 (2), 021022 (2022) (Presented in QIP’22)

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プレスリリース“有限温度状態での量子もつれに関する普遍的性質の発見”

“It takes three to tangle: long-range quantum entanglement needs three-way interaction”