Journal (Published)

2026年

 Variational preparation and characterization of chiral spin liquids in quantum circuits
Zi-Yang Zhang, Donghoon Kim, Ji-Yao Chen
Physical Review B, 114, 185103 (2026)

 Nonreciprocity in three optical modes with non-Markovian effects
H. Yi, T. Z. Luan, W. Y. Hu, Zhi-Cheng Shi, Cheng Shang, Yan-Hui Zhou, H. Z. Shen
Physical Review A, 114, 023726 (2026)

 Interference control of coherent perfect absorption in a driven three-level atom inside the cavity with parametric amplification
C. Cui, H. Yi, Y. F. Li, W. Y. Hu, T. Z. Luan, Y. Chen, Cheng Shang, Yan-Hui Zhou, H. Z. Shen
Optics Letters, 51, 4713–4716 (2026)

 Simultaneous nonreciprocal unconventional photon blockades via two degenerate optical parametric amplifiers in spinning resonators
J. X. Yang, Zi-Lin Zhao, Ze Wang, T. Z. Luan, Shuang Xu, Cheng Shang, Yan-Hui Zhou, H. Z. Shen
Physical Review A, 114, 023703 (2026)

 Quantum Geometric Tensor Determines the Pure-State I.I.D. Conversion Rate in the Resource Theory of Asymmetry for Any Compact Lie Group
Koji Yamaguchi, Yosuke Mitsuhashi, Tomohiro Shitara, Hiroyasu Tajima
Physical Review X, 16, 031028 (2026)

Press Release「対称性の破れを統一的に測る指標を確立」

 Dressed bound states and non-Markovian dynamics with a whispering-gallery-mode microcavity coupled to a two-level atom and a semi-infinite photonic waveguide
J. Y. Sun, C. Cui, Y. F. Li, Shuang Xu, Cheng Shang, Yan-Hui Zhou, H. Z. Shen
Physical Review A, 113, 063713 (2026)

 Symmetry-Enhanced Lieb–Robinson Bounds for a Class of Bose–Hubbard Type Hamiltonians
Tomotaka Kuwahara, Marius Lemm
Annales Henri Poincaré (2026)

https://doi.org/10.1007/s00023-026-01733-9

 Higher-order Exceptional Points Induced by Non-Markovian Environments
H. Z. Shen, X. C. Zhang, L. Y. Ning, Zhi-Guang Lu, Yan-Hui Zhou, Cheng Shang
Laser & Photonics Reviews, e71535 (2026)

 Entanglement area law in interacting bosons from the Bose-Hubbard model to ϕ4 theory and beyond
Donghoon Kim, Tomotaka Kuwahara
Nature Communications, 17, 7294 (2026)

Press Release「極低温の量子もつれの広がり方に新しい統一理論」

 Macroscopic particle transport in dissipative long-range bosonic systems
Hongchao Li, Cheng Shang, Tomotaka Kuwahara, Tan Van Vu 
Nature Communications, 17, 4289 (2026)

2025年

 Clustering of Conditional Mutual Information and Quantum Markov Structure at Arbitrary Temperatures
Tomotaka Kuwahara
Physical Review X 15, 041010 (2025)

 On Hastings factorization for quantum many-body systems in the infinite volume setting
Ayumi Ukai
Journal of Mathematical Physics, 66, 081902 (2025) 

 Energy Diffusion in the Long-Range Interacting Spin Systems  
Hideaki Nishikawa and Keiji Saito
Physical Review Letters 135, 147102 (2025)

 Trotterization is Substantially Efficient for Low-Energy States  
Kaoru Mizuta and Tomotaka Kuwahara
Physical Review Letters 135, 130602 (2025) 

 Manipulating spectral transitions and photonic transmission in a non-Hermitian optical system through nanoparticle perturbations 
Bo-Wang Zhang, Cheng Shang, J. Y. Sun, Zhuo-Cheng Gu, and X. X. Yi
Phys. Rev. A 111, 063702

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 Provably Efficient Simulation of 1D Long-Range Interacting Systems at Any Temperature 
Rakesh Achutha, Donghoon Kim, Yusuke Kimura, Tomotaka Kuwahara 
Physical Review Letters 134 (19), 190404 

Physical Review Letters

Provably Efficient Simulation of 1D Long-Range Interacting Systems at Any Temperature We introduce a method that ensures efficient computation of one-dimensional quantum systems with long-range interactions across all temperatures. Our algorithm ...

 Topological Quantum Batteries
Zhi-Guang Lu, Guoqing Tian, Xin-You Lü, Cheng Shang
Physical Review Letters 134, 180401

 Clustering Theorem in 1D Long-Range Interacting Systems at Arbitrary Temperatures
Yusuke Kimura & Tomotaka Kuwahara
Communications in Mathematical Physics, Volume 406, article number 65, (2025)

 Thermal Area Law in Long-Range Interacting Systems, 
Donghoon Kim, Tomotaka Kuwahara and Keiji Saito
Physical Review Letters 134, 020402

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

 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

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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）

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

Physical Review Research

Dissipation, quantum coherence, and asymmetry of finite-time cross-correlations Recent studies have revealed a deep connection between the asymmetry of cross-correlations and thermodynamic quantities in the short-time limit. In this study, ...

2023年

 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

Physical Review A

Analytical approach to higher-order correlation functions in U(1) symmetric systems We derive a compact analytical solution of the $n\mathrm{th}$-order equal-time correlation functions by using scattering matrix ($S$ matrix) under a weak cohere...

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

Physical Review Research

Universal bounds on the performance of information-thermodynamic engine We investigate fundamental limits on the performance of information processing systems from the perspective of information thermodynamics. We first extend the t...

 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)

Physical Review X

Exponential Clustering of Bipartite Quantum Entanglement at Arbitrary Temperatures New theorems provide a test of what types of long-range quantum entanglement can survive at nonzero temperatures, revealing a fundamental aspect of macroscopic ...

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”

あわせて読みたい

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