学術論文(出版済み)

2024

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

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

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

あわせて読みたい

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

Physical Review Applied
Resonance-dominant optomechanical entanglement in open quantum systems Motivated by entanglement protection, our work utilizes a resonance effect to enhance optomechanical entanglement in the coherent-state representation. We propo...

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)

Nature
Effective light cone and digital quantum simulation of interacting bosons - Nature Communications Studying bounds on the speed of information propagation across interacting boson systems is notoriously difficult. Here, the authors find tight bounds for both ...

Selected as Editor’s Highlight

プレスリリース
“量子もつれの伝達速度限界を解明”

あわせて読みたい
量子もつれの伝達速度限界を解明 理研らの共同研究チームは、相互作用するボーズ粒子系において量子もつれが伝達する速度の限界を理論的に解明しました。

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

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

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

あわせて読みたい

2023

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

SpringerLink
Eight-dimensional non-geometric heterotic strings and enhanced gauge groups - The European Physical ... Some constructions in string theory are linked to noncommutative geometry. Non-geometric strings are among such constructions. Non-geometric strings are related...

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

あわせて読みたい

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

あわせて読みたい

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

あわせて読みたい

2022

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

あわせて読みたい

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”

あわせて読みたい
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 理研らは、量子力学に従う多粒子系(量子多体系)の熱平衡状態では、一般に長距離に及ぶ「量子もつれ」が存在しないことを示しました。

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