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检索条件"机构=Institute for Quantum Computing and Department of Combinatorics and Optimization"
234 条 记 录,以下是201-210 订阅
排序:
Multi-error-correcting amplitude damping codes
Multi-error-correcting amplitude damping codes
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IEEE International Symposium on Information Theory
作者: Runyao Duan Markus Grassl Zhengfeng Ji Bei Zeng State Key Laboratory of Intelligent Technology and Systems Tsinghua National Laboratory for Information Science and Technology Department of Computer Science and Technology Tsinghua University Beijing China Centre for Quantum Computation and Intelligent Systems (QCIS) Faculty of Engineering and Information Technology University of Technology Sydney NSW Australia Centre for Quantum Technologies National University of Singapore Singapore Perimeter Institute of Theoretical Physics Waterloo ONT Canada State Key Laboratory of Computer Science Institute of Software Chinese Academy and Sciences Beijing China Institute for Quantum Computing and the Department of Combinatorics and Optimization University of Waterloo Waterloo ONT Canada
We construct new families of multi-error-correcting quantum codes for the amplitude damping channel. Our key observation is that, with proper encoding, two uses of the amplitude damping channel simulate a quantum eras... 详细信息
来源: 评论
Adaptive shot allocation for fast convergence in variational quantum algorithms
arXiv
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arXiv 2021年
作者: Gu, Andi Lowe, Angus Dub, Pavel A. Coles, Patrick J. Arrasmith, Andrew Theoretical Division Los Alamos National Laboratory Los AlamosNM87545 United States Department of Physics University of California BerkeleyCA94720 United States Department of Combinatorics and Optimization and Institute for Quantum Computing University of Waterloo WaterlooONN2L 3G1 Canada Chemistry Division Los Alamos National Laboratory Los AlamosNM87545 United States
Variational quantum Algorithms (VQAs) are a promising approach for practical applications like chemistry and materials science on near-term quantum computers as they typically reduce quantum resource requirements. How... 详细信息
来源: 评论
Quantifying quantum speedups: Improved classical simulation from tighter magic monotones
arXiv
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arXiv 2020年
作者: Seddon, James R. Regula, Bartosz Pashayan, Hakop Ouyang, Yingkai Campbell, Earl T. Department of Physics and Astronomy University College London London United Kingdom School of Physical and Mathematical Sciences Nanyang Technological University 637371 Singapore Institute for Quantum Computing Department of Combinatorics and Optimization University of Waterloo ONN2L 3G1 Canada Perimeter Institute for Theoretical Physics WaterlooONN2L 2Y5 Canada Centre for Engineered Quantum Systems School of Physics The University of Sydney SydneyNSW2006 Australia Department of Physics & Astronomy University of Sheffield SheffieldS3 7RH United Kingdom AWS Center for Quantum Computing PasadenaCA91125 United States
Consumption of magic states promotes the stabilizer model of computation to universal quantum computation. Here, we propose three different classical algorithms for simulating such universal quantum circuits, and char... 详细信息
来源: 评论
Comparison of memory thresholds for planar qudit geometries
arXiv
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arXiv 2017年
作者: Marks, Jacob Jochym-O'Connor, Tomas Gheorghiu, Vlad Department of Physics Yale University New HavenCT06520 United States Institute for Quantum Computing University of Waterloo WaterlooONN2L 3G1 Canada Department of Physics and Astronomy University of Waterloo WaterlooONN2L 3G1 Canada Walter Burke Institute for Theoretical Physics Institute for Quantum Information and Matter California Institute of Technology PasadenaCA91125 United States Department of Combinatorics and Optimization University of Waterloo WaterlooONN2L 3G1 Canada
We introduce and analyze a new type of decoding algorithm called General Color Clustering (GCC), based on renormalization group methods, to be used in qudit color codes. The performance of this decoder is analyzed und... 详细信息
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Upper bounds on device-independent quantum key distribution rates and a revised Peres conjecture
arXiv
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arXiv 2020年
作者: Leditzky, Felix Arnon-Friedman, Rotem Perimeter Institute for Theoretical Physics WaterlooONN2L 2Y5 Canada Department of Combinatorics and Optimization University of Waterloo WaterlooONN2L 3G1 Canada Institute for Quantum Computing University of Waterloo WaterlooONN2L 3G1 Canada EECS Department University of California Berkeley BerkeleyCA94720 United States JILA & Center for Theory of Quantum Matter University of Colorado Boulder BoulderCO80309 United States
Device-independent quantum key distribution (DIQKD) is one of the most challenging tasks in quantum cryptography. The protocols and their security are based on the existence of Bell inequalities and the ability to vio... 详细信息
来源: 评论
Every quantum Helps: Operational Advantage of quantum Resources beyond Convexity
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Physical Review Letters 2024年 第15期132卷 150201-150201页
作者: Kohdai Kuroiwa Ryuji Takagi Gerardo Adesso Hayata Yamasaki Institute for Quantum Computing and Department of Combinatorics and Optimization University of Waterloo Ontario N2L 3G1 Canada Perimeter Institute for Theoretical Physics Ontario N2L 2Y5 Canada Department of Basic Science The University of Tokyo 3-8-1 Komaba Meguro-ku Tokyo 153-8902 Japan School of Mathematical Sciences and Centre for the Mathematical and Theoretical Physics of Quantum Non-Equilibrium Systems University of Nottingham University Park Nottingham NG7 2RD United Kingdom Department of Physics Graduate School of Science The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-0033 Japan
Identifying what quantum-mechanical properties are useful to untap a superior performance in quantum technologies is a pivotal question. quantum resource theories provide a unified framework to analyze and understand ... 详细信息
来源: 评论
Simulating 2D Effects in Lattice Gauge Theories on a quantum Computer
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PRX quantum 2021年 第3期2卷 030334-030334页
作者: Danny Paulson Luca Dellantonio Jan F. Haase Alessio Celi Angus Kan Andrew Jena Christian Kokail Rick van Bijnen Karl Jansen Peter Zoller Christine A. Muschik Institute for Quantum Computing University of Waterloo Waterloo Ontario N2L 3G1 Canada Department of Physics and Astronomy University of Waterloo Waterloo Ontario N2L 3G1 Canada Institute of Theoretical Physics and IQST Universität Ulm Albert-Einstein-Allee 11 Ulm D-89069 Germany Departament de Física Universitat Autònoma de Barcelona Bellaterra E-08193 Spain Center of Quantum Physics University of Innsbruck Innsbruck A-6020 Austria Institute for Quantum Optics and Quantum Information of the Austrian Academy of Sciences Innsbruck A-6020 Austria Department of Combinatorics and Optimization University of Waterloo Waterloo Ontario N2L 3G1 Canada NIC DESY Zeuthen Platanenallee 6 Zeuthen 15738 Germany Perimeter Institute for Theoretical Physics Waterloo Ontario N2L 2Y5 Canada
quantum computing is in its greatest upswing, with so-called noisy-intermediate-scale-quantum devices heralding the computational power to be expected in the near future. While the field is progressing toward quantum ... 详细信息
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Robustness- and weight-based resource measures without convexity restriction: Multicopy witness and operational advantage in static and dynamical quantum resource theories
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Physical Review A 2024年 第4期109卷 042403-042403页
作者: Kohdai Kuroiwa Ryuji Takagi Gerardo Adesso Hayata Yamasaki Institute for Quantum Computing and Department of Combinatorics and Optimization University of Waterloo Ontario N2L 3G1 Canada Perimeter Institute for Theoretical Physics Ontario N2L 2Y5 Canada Department of Basic Science The University of Tokyo 3-8-1 Komaba Meguro-ku Tokyo 153-8902 Japan School of Mathematical Sciences and Centre for the Mathematical and Theoretical Physics of Quantum Non-Equilibrium Systems University of Nottingham University Park Nottingham NG7 2RD United Kingdom Department of Physics Graduate School of Science The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-0033 Japan
quantum resource theories (QRTs) provide a unified framework to analyze quantum properties as resources for achieving advantages in quantum information processing. The generalized robustness and the weight of resource... 详细信息
来源: 评论
Homodyne-detector-blinding attack in continuous-variable quantum key distribution
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Physical Review A 2018年 第1期98卷 012312-012312页
作者: Hao Qin Rupesh Kumar Vadim Makarov Romain Alléaume Institute for Quantum Computing University of Waterloo Waterloo Ontario Canada N2L 3G1 Department of Combinatorics and Optimization University of Waterloo Waterloo Ontario Canada N2L 3G1 Department of Physics and Astronomy University of Waterloo Waterloo Ontario Canada N2L 3G1 CAS Quantum Network Co. Ltd. 99 Xiupu Road Shanghai 201315 People's Republic of China† Télécom ParisTech LTCI 46 Rue Barrault 75634 Paris Cedex 13 France Department of Physics University of York York YO10 5DD United Kingdom† Russian Quantum Center and MISIS University Moscow Russia
We propose an efficient strategy to attack a continuous-variable (CV) quantum key distribution (QKD) system, which we call homodyne detector blinding. This attack strategy takes advantage of a generic vulnerability of... 详细信息
来源: 评论
Non-Exponential Behaviour in Logical Randomized Benchmarking
arXiv
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arXiv 2022年
作者: Ceasura, Athena Iyer, Pavithran Wallman, Joel J. Pashayan, Hakop Institute for Quantum Computing University of Waterloo ONN2L 3G1 Canada Keysight Technologies Canada KanataONK2K 2W5 Canada Department of Combinatorics and Optimization University of Waterloo ONN2L 3G1 Canada Perimeter Institute for Theoretical Physics WaterlooONN2L 2Y5 Canada Dahlem Center for Complex Quantum Systems Freie Universität Berlin Germany
We construct a gate and time-independent noise model that results in the output of a logical randomized benchmarking protocol oscillating rather than decaying exponentially. To illustrate our idea, we first construct ... 详细信息
来源: 评论