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Revising the quantum work fluctuation framework to encompass energy conservation npj Quantum Inform. (IF 6.6) Pub Date : 2025-06-16 Giulia Rubino, Karen V. Hovhannisyan, Paul Skrzypczyk
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Quantum algorithms for matrix geometric means npj Quantum Inform. (IF 6.6) Pub Date : 2025-06-13 Nana Liu, Qisheng Wang, Mark M. Wilde, Zhicheng Zhang
Matrix geometric means between two positive definite matrices can be defined from distinct perspectives—as solutions to certain nonlinear systems of equations, as points along geodesics in Riemannian geometry, and as solutions to certain optimisation problems. We devise quantum subroutines for the matrix geometric means, and construct solutions to the algebraic Riccati equation—an important class of
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Reply to “Comment to ‘The laws of physics do not prohibit counterfactual communication’ ” npj Quantum Inform. (IF 6.6) Pub Date : 2025-06-10 Hatim Salih, Jonte R. Hance, Will McCutcheon, John Rarity
In his Comment on our recent paper “The laws of physics do not prohibit counterfactual communication”, npj Quantum Information (2022) 8:60, Popescu argues that the claims of the paper are invalid. Here, we refute his argument, showing that it is based on ignoring the specifics of what we set out to prove (that counterfactual communication is possible for post-selected particles, and more specifically
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Deterministic steady-state subradiance within a single-excitation basis npj Quantum Inform. (IF 6.6) Pub Date : 2025-06-10 Meng-Jia Chu, Jun Ren, Z. D. Wang
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An efficient quantum algorithm for ab initio approximations of non-linear response functions npj Quantum Inform. (IF 6.6) Pub Date : 2025-06-09 Tyler Kharazi, Torin F. Stetina, Liwen Ko, Guang Hao Low, K. Birgitta Whaley
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A measurement-device-independent quantum key distribution network using optical frequency comb npj Quantum Inform. (IF 6.6) Pub Date : 2025-06-09 Wenhan Yan, Xiaodong Zheng, Wenjun Wen, Liangliang Lu, Yifeng Du, Yan-Qing Lu, Shining Zhu, Xiao-Song Ma
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Lindblad-like quantum tomography for non-Markovian quantum dynamical maps npj Quantum Inform. (IF 6.6) Pub Date : 2025-06-07 S. Varona, M. Müller, A. Bermudez
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Error crafting in mixed quantum gate synthesis npj Quantum Inform. (IF 6.6) Pub Date : 2025-06-06 Nobuyuki Yoshioka, Seiseki Akibue, Hayata Morisaki, Kento Tsubouchi, Yasunari Suzuki
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An invitation to the sample complexity of quantum hypothesis testing npj Quantum Inform. (IF 6.6) Pub Date : 2025-06-05 Hao-Chung Cheng, Nilanjana Datta, Nana Liu, Theshani Nuradha, Robert Salzmann, Mark M. Wilde
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Unveiling quantum phase transitions from traps in variational quantum algorithms npj Quantum Inform. (IF 6.6) Pub Date : 2025-06-04 Chenfeng Cao, Filippo Maria Gambetta, Ashley Montanaro, Raul A. Santos
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A solid-state temporally multiplexed quantum memory array at the single-photon level npj Quantum Inform. (IF 6.6) Pub Date : 2025-06-04 Markus Teller, Susana Plascencia, Cristina Sastre Jachimska, Samuele Grandi, Hugues de Riedmatten
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Ultra-high strained diamond spin register with coherent optical control npj Quantum Inform. (IF 6.6) Pub Date : 2025-06-03 Marco Klotz, Andreas Tangemann, Alexander Kubanek
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The genuinely multipartite nonlocality of graph states is model-dependent npj Quantum Inform. (IF 6.6) Pub Date : 2025-06-02 Xavier Coiteux-Roy, Owidiusz Makuta, Fionnuala Curran, Remigiusz Augusiak, Marc-Olivier Renou
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Surrogate-guided optimization in quantum networks npj Quantum Inform. (IF 6.6) Pub Date : 2025-05-31 Luise Prielinger, Álvaro G. Iñesta, Gayane Vardoyan
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Cryogenic microwave link for quantum local area networks npj Quantum Inform. (IF 6.6) Pub Date : 2025-05-31 W. K. Yam, M. Renger, S. Gandorfer, F. Fesquet, M. Handschuh, K. E. Honasoge, F. Kronowetter, Y. Nojiri, M. Partanen, M. Pfeiffer, H. van der Vliet, A. J. Matthews, J. Govenius, R. N. Jabdaraghi, M. Prunnila, A. Marx, F. Deppe, R. Gross, K. G. Fedorov
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Concatenate codes, save qubits npj Quantum Inform. (IF 6.6) Pub Date : 2025-05-31 Satoshi Yoshida, Shiro Tamiya, Hayata Yamasaki
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Reducing the resources required by ADAPT-VQE using coupled exchange operators and improved subroutines npj Quantum Inform. (IF 6.6) Pub Date : 2025-05-26 Mafalda Ramôa, Panagiotis G. Anastasiou, Luis Paulo Santos, Nicholas J. Mayhall, Edwin Barnes, Sophia E. Economou
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Control and readout of a 13-level trapped ion qudit npj Quantum Inform. (IF 6.6) Pub Date : 2025-05-24 Pei Jiang Low, Brendan White, Crystal Senko
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Classical simulations of noisy variational quantum circuits npj Quantum Inform. (IF 6.6) Pub Date : 2025-05-22 Enrico Fontana, Manuel S. Rudolph, Ross Duncan, Ivan Rungger, Cristina Cîrstoiu
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Quantum ensemble learning with a programmable superconducting processor npj Quantum Inform. (IF 6.6) Pub Date : 2025-05-21 Jiachen Chen, Yaozu Wu, Zhen Yang, Shibo Xu, Xuan Ye, Daili Li, Ke Wang, Chuanyu Zhang, Feitong Jin, Xuhao Zhu, Yu Gao, Ziqi Tan, Zhengyi Cui, Aosai Zhang, Ning Wang, Yiren Zou, Tingting Li, Fanhao Shen, Jiarun Zhong, Zehang Bao, Zitian Zhu, Zixuan Song, Jinfeng Deng, Hang Dong, Pengfei Zhang, Wei Zhang, Hekang Li, Qiujiang Guo, Zhen Wang, Ying Li, Xiaoting Wang, Chao Song, H. Wang
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Self-testing tilted strategies for maximal loophole-free nonlocality npj Quantum Inform. (IF 6.6) Pub Date : 2025-05-19 Nicolas Gigena, Ekta Panwar, Giovanni Scala, Mateus Araújo, Máté Farkas, Anubhav Chaturvedi
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Characterizing privacy in quantum machine learning npj Quantum Inform. (IF 6.6) Pub Date : 2025-05-19 Jamie Heredge, Niraj Kumar, Dylan Herman, Shouvanik Chakrabarti, Romina Yalovetzky, Shree Hari Sureshbabu, Changhao Li, Marco Pistoia
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Meta-learning assisted robust control of universal quantum gates with uncertainties npj Quantum Inform. (IF 6.6) Pub Date : 2025-05-19 Shihui Zhang, Zibo Miao, Yu Pan, Sibo Tao, Yu Chen
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Trade-off between gradient measurement efficiency and expressivity in deep quantum neural networks npj Quantum Inform. (IF 6.6) Pub Date : 2025-05-17 Koki Chinzei, Shinichiro Yamano, Quoc Hoan Tran, Yasuhiro Endo, Hirotaka Oshima
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Machine learning message-passing for the scalable decoding of QLDPC codes npj Quantum Inform. (IF 6.6) Pub Date : 2025-05-17 Arshpreet Singh Maan, Alexandru Paler
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Quantum annealing for combinatorial optimization: a benchmarking study npj Quantum Inform. (IF 6.6) Pub Date : 2025-05-16 Seongmin Kim, Sang-Woo Ahn, In-Saeng Suh, Alexander W. Dowling, Eungkyu Lee, Tengfei Luo
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Discovery of entanglement generation by elastic collision to realise the original Einstein-Podolsky-Rosen thought experiment npj Quantum Inform. (IF 6.6) Pub Date : 2025-05-14 Roman Schnabel
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Low-overhead defect-adaptive surface code with bandage-like super-stabilizers npj Quantum Inform. (IF 6.6) Pub Date : 2025-05-12 Zuolin Wei, Tan He, Yangsen Ye, Dachao Wu, Yiming Zhang, Youwei Zhao, Weiping Lin, He-Liang Huang, Xiaobo Zhu, Jian-Wei Pan
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Critical behavior of Fredenhagen-Marcu string order parameters at topological phase transitions with emergent higher-form symmetries npj Quantum Inform. (IF 6.6) Pub Date : 2025-05-09 Wen-Tao Xu, Frank Pollmann, Michael Knap
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Experimental demonstration of long distance quantum communication with independent heralded single photon sources npj Quantum Inform. (IF 6.6) Pub Date : 2025-05-08 Xiao-Hai Zhan, Zhen-Qiu Zhong, Jian-Yu Ma, Shuang Wang, Zhen-Qiang Yin, Wei Chen, De-Yong He, Guang-Can Guo, Zheng-Fu Han
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Unveiling quantum steering by quantum-classical uncertainty complementarity npj Quantum Inform. (IF 6.6) Pub Date : 2025-05-08 Kuan-Yi Lee, Jhen-Dong Lin, Karel Lemr, Antonín Černoch, Adam Miranowicz, Franco Nori, Huan-Yu Ku, Yueh-Nan Chen
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Digital reconstruction of squeezed light for quantum information processing npj Quantum Inform. (IF 6.6) Pub Date : 2025-05-03 Huy Q. Nguyen, Ivan Derkach, Adnan A. E. Hajomer, Hou-Man Chin, Akash nag Oruganti, Ulrik L. Andersen, Vladyslav Usenko, Tobias Gehring
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Variational quantum algorithm for enhanced continuous variable optical phase sensing npj Quantum Inform. (IF 6.6) Pub Date : 2025-05-02 Jens A. H. Nielsen, Mateusz J. Kicinski, Tummas N. Arge, Kannan Vijayadharan, Jonathan Foldager, Johannes Borregaard, Johannes Jakob Meyer, Jonas S. Neergaard-Nielsen, Tobias Gehring, Ulrik L. Andersen
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Entanglement of photonic modes from a continuously driven two-level system npj Quantum Inform. (IF 6.6) Pub Date : 2025-04-28 Jiaying Yang, Ingrid Strandberg, Alejandro Vivas-Viaña, Akshay Gaikwad, Claudia Castillo-Moreno, Anton Frisk Kockum, Muhammad Asad Ullah, Carlos Sánchez Muñoz, Axel Martin Eriksson, Simone Gasparinetti
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Steering nonlocality in high-speed telecommunication system without detection loophole npj Quantum Inform. (IF 6.6) Pub Date : 2025-04-24 Qiang Zeng, Huihong Yuan, Haoyang Wang, Lai Zhou, Zhiliang Yuan
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Long optical and electron spin coherence times for erbium ions in silicon npj Quantum Inform. (IF 6.6) Pub Date : 2025-04-18 Ian R. Berkman, Alexey Lyasota, Gabriele G. de Boo, John G. Bartholomew, Shao Qi Lim, Brett C. Johnson, Jeffrey C. McCallum, Bin-Bin Xu, Shouyi Xie, Nikolay V. Abrosimov, Hans-Joachim Pohl, Rose L. Ahlefeldt, Matthew J. Sellars, Chunming Yin, Sven Rogge
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Unified framework for matchgate classical shadows npj Quantum Inform. (IF 6.6) Pub Date : 2025-04-16 Valentin Heyraud, Héloise Chomet, Jules Tilly
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Universal term of entanglement entropy in the π-flux Hubbard model npj Quantum Inform. (IF 6.6) Pub Date : 2025-04-15 Yuan Da Liao
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Dephasing and error dynamics affecting a singlet-triplet qubit during coherent spin shuttling npj Quantum Inform. (IF 6.6) Pub Date : 2025-04-12 Natalie D. Foster, Jacob D. Henshaw, Martin Rudolph, Dwight R. Luhman, Ryan M. Jock
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Landau–Zener without a qubit: multiphoton sidebands interaction and signatures of dissipative quantum chaos npj Quantum Inform. (IF 6.6) Pub Date : 2025-04-07 Léo Peyruchat, Fabrizio Minganti, Marco Scigliuzzo, Filippo Ferrari, Vincent Jouanny, Franco Nori, Vincenzo Savona, Pasquale Scarlino
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A simple and efficient joint measurement strategy for estimating fermionic observables and Hamiltonians npj Quantum Inform. (IF 6.6) Pub Date : 2025-04-07 Joanna Majsak, Daniel McNulty, Michał Oszmaniec
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Frequency-bin entanglement-based Quantum Key Distribution npj Quantum Inform. (IF 6.6) Pub Date : 2025-04-06 Noemi Tagliavacche, Massimo Borghi, Giulia Guarda, Domenico Ribezzo, Marco Liscidini, Davide Bacco, Matteo Galli, Daniele Bajoni
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Quantum sensing with duplex qubits of silicon vacancy centers in SiC at room temperature npj Quantum Inform. (IF 6.6) Pub Date : 2025-04-05 Kosuke Tahara, Shin-ichi Tamura, Haruko Toyama, Jotaro J. Nakane, Katsuhiro Kutsuki, Yuichi Yamazaki, Takeshi Ohshima
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Industrial 300 mm wafer processed spin qubits in natural silicon/silicon-germanium npj Quantum Inform. (IF 6.6) Pub Date : 2025-04-05 Thomas Koch, Clement Godfrin, Viktor Adam, Julian Ferrero, Daniel Schroller, Noah Glaeser, Stefan Kubicek, Ruoyu Li, Roger Loo, Shana Massar, George Simion, Danny Wan, Kristiaan De Greve, Wolfgang Wernsdorfer
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Quantum-enhanced imaging for characterizing anisotropic material npj Quantum Inform. (IF 6.6) Pub Date : 2025-04-04 Meng-Yu Xie, Su-Jian Niu, Zhao-Qi-Zhi Han, Yin-Hai Li, Ren-Hui Chen, Xiao-Hua Wang, Ming-Yuan Gao, Li Chen, Yue-Wei Song, Zhi-Yuan Zhou, Bao-Sen Shi
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Unified framework for calculating convex roof resource measures npj Quantum Inform. (IF 6.6) Pub Date : 2025-04-04 Xuanran Zhu, Chao Zhang, Zheng An, Bei Zeng
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Quantum simulations of chemistry in first quantization with any basis set npj Quantum Inform. (IF 6.6) Pub Date : 2025-04-01 Timothy N. Georges, Marius Bothe, Christoph Sünderhauf, Bjorn K. Berntson, Róbert Izsák, Aleksei V. Ivanov
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Quantum causal inference with extremely light touch npj Quantum Inform. (IF 6.6) Pub Date : 2025-03-29 Xiangjing Liu, Yixian Qiu, Oscar Dahlsten, Vlatko Vedral
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Free-space continuous-variable quantum key distribution under high background noise npj Quantum Inform. (IF 6.6) Pub Date : 2025-03-27 Xue-Tao Zheng, Qi-Fa Zhang, Jie Ling, Guang-Can Guo, Zheng-Fu Han
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Networking quantum networks with minimum cost aggregation npj Quantum Inform. (IF 6.6) Pub Date : 2025-03-21 Koji Azuma
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High-dimensional entanglement witnessed by correlations in arbitrary bases npj Quantum Inform. (IF 6.6) Pub Date : 2025-03-19 Nicky Kai Hong Li, Marcus Huber, Nicolai Friis
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Realizing ultrahigh capacity quantum superdense coding on quantum photonic chip npj Quantum Inform. (IF 6.6) Pub Date : 2025-03-18 Yuan Li, Huihui Zhu, Wei Luo, Hong Cai, Muhammad Faeyz Karim, Xianshu Luo, Feng Gao, Xiang Wu, Xiaoqi Zhou, Qinghua Song, Leong Chuan Kwek, Ai Qun Liu
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Quantum-enhanced dark matter detection with in-cavity control: mitigating the Rayleigh curse npj Quantum Inform. (IF 6.6) Pub Date : 2025-03-17 Haowei Shi, Anthony J. Brady, Wojciech Górecki, Lorenzo Maccone, Roberto Di Candia, Quntao Zhuang
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Halving the cost of quantum algorithms with randomization npj Quantum Inform. (IF 6.6) Pub Date : 2025-03-15 John M. Martyn, Patrick Rall
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Nearly quantum-limited microwave amplification via interfering degenerate stimulated emission in a single artificial atom npj Quantum Inform. (IF 6.6) Pub Date : 2025-03-12 Fahad Aziz, Kuan-Ting Lin, Ping-Yi Wen, Samina, Yu-Chen Lin, Emely Weigand, Ching-Ping Lee, Yu-Ting Cheng, Yong Lu, Ching-Yeh Chen, Chin-Hsun Chien, Kai-Min Hsieh, Yu-Huan Huang, Haw-Tyng Huang, Hou Ian, Jeng-Chung Chen, Yen-Hsiang Lin, Anton Frisk Kockum, Guin-Dar Lin, Io-Chun Hoi
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Quantum Zeno Monte Carlo for computing observables npj Quantum Inform. (IF 6.6) Pub Date : 2025-03-12 Mancheon Han, Hyowon Park, Sangkook Choi
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Microwave-coupled optical bistability in driven and interacting Rydberg gases npj Quantum Inform. (IF 6.6) Pub Date : 2025-03-12 Zhehua Zhang, Zeyan Zhang, Shaoxing Han, Yuqing Zhang, Guoqing Zhang, Jizhou Wu, Vladimir B. Sovkov, Wenliang Liu, Yuqing Li, Linjie Zhang, Liantuan Xiao, Suotang Jia, Weibin Li, Jie Ma
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Digital-analog quantum computing of fermion-boson models in superconducting circuits npj Quantum Inform. (IF 6.6) Pub Date : 2025-03-11 Shubham Kumar, Narendra N. Hegade, Anne-Maria Visuri, Balaganchi A. Bhargava, Juan F. R. Hernandez, E. Solano, F. Albarrán-Arriagada, G. Alvarado Barrios
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Uncovering quantum many-body scars with quantum machine learning npj Quantum Inform. (IF 6.6) Pub Date : 2025-03-11 Jia-Jin Feng, Bingzhi Zhang, Zhi-Cheng Yang, Quntao Zhuang
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Boosted Bell-state measurements for photonic quantum computation npj Quantum Inform. (IF 6.6) Pub Date : 2025-03-08 Nico Hauser, Matthias J. Bayerbach, Simone E. D’Aurelio, Raphael Weber, Matteo Santandrea, Shreya P. Kumar, Ish Dhand, Stefanie Barz