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检索条件"机构=Institute of Quantum Computing and Computer Theory"
134 条 记 录,以下是1-10 订阅
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Transition of Anticoncentration in Gaussian Boson Sampling
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Physical Review Letters 2025年 第14期134卷 140601-140601页
作者: Adam Ehrenberg Joseph T. Iosue Abhinav Deshpande Dominik Hangleiter Alexey V. Gorshkov Joint Center for Quantum Information and Computer Science NIST/University of Maryland College Park Maryland 20742 USA Joint Quantum Institute NIST/University of Maryland College Park Maryland 20742 USA IBM Quantum Almaden Research Center San Jose California 95120 USA Simons Institute for the Theory of Computing University of California at Berkeley Berkeley California 94720 USA
Gaussian boson sampling is a promising method for experimental demonstrations of quantum advantage because it is easier to implement than other comparable schemes. While most of the properties of Gaussian boson sampli... 详细信息
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Second moment of Hafnians in Gaussian boson sampling
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Physical Review A 2025年 第4期111卷 042412-042412页
作者: Adam Ehrenberg Joseph T. Iosue Abhinav Deshpande Dominik Hangleiter Alexey V. Gorshkov Joint Center for Quantum Information and Computer Science NIST/University of Maryland College Park Maryland 20742 USA Joint Quantum Institute NIST/University of Maryland College Park Maryland 20742 USA IBM Quantum Almaden Research Center San Jose California 95120 USA Simons Institute for the Theory of Computing University of California at Berkeley Berkeley California 94720 USA
Gaussian boson sampling is a popular method for experimental demonstrations of quantum advantage, but many subtleties remain in fully understanding its theoretical underpinnings. An important component in the theoreti... 详细信息
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Efficiently Verifiable quantum Advantage on Near-Term Analog quantum Simulators
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PRX quantum 2025年 第1期6卷 010341-010341页
作者: Zhenning Liu Dhruv Devulapalli Dominik Hangleiter Yi-Kai Liu Alicia J. Kollár Alexey V. Gorshkov Andrew M. Childs Joint Center for Quantum Information and Computer Science NIST/University of Maryland College Park Maryland 20742 USA Joint Quantum Institute NIST/University of Maryland College Park Maryland 20742 USA Department of Computer Science University of Maryland College Park Maryland 20742 USA Simons Institute for the Theory of Computing University of California at Berkeley California 94720 USA Applied and Computational Mathematics Division National Institute of Standards and Technology (NIST) Gaithersburg Maryland 20899 USA Department of Physics University of Maryland College Park Maryland 20742 USA Institute for Advanced Computer Studies University of Maryland College Park Maryland 20742 USA
Existing schemes for demonstrating quantum computational advantage are subject to various practical restrictions, including the hardness of verification and challenges in experimental implementation. Meanwhile, analog... 详细信息
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quantum Hermitian conjugate and encoding unnormalized matrices
arXiv
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arXiv 2025年
作者: Zenchuk, Alexander I. Qi, Wentao Wu, Junde Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry RAS Moscow reg. Chernogolovka142432 Russia Institute of Quantum Computing and Computer Theory School of Computer Science and Engineering Sun Yat-sen University Guangzhou510006 China School of Mathematical Sciences Zhejiang University Hangzhou310027 China
We further develop the family of matrix-manipulation algorithms based on the encoding the matrix elements into the probability amplitudes of the pure superposition state of a certain quantum system. We introduce two e... 详细信息
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Remarks on controlled measurement and quantum algorithm for calculating Hermitian conjugate
arXiv
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arXiv 2025年
作者: Fel’dman, Edward B. Zenchuk, Alexander I. Qi, Wentao Wu, Junde Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry RAS Moscow reg. Chernogolovka142432 Russia Institute of Quantum Computing and Computer Theory School of Computer Science and Engineering Sun Yat-sen University Guangzhou510006 China School of Mathematical Sciences Zhejiang University Hangzhou310027 China
We present two new aspects for the recently proposed algorithms for matrix manipulating based on the special encoding the matrix elements into the superposition state of a quantum system. First aspect is the controlle... 详细信息
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Matrix encoding method in variational quantum singular value decomposition
arXiv
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arXiv 2025年
作者: Zenchuk, Alexander I. Qi, Wentao Wu, Junde Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry RAS Moscow reg. Chernogolovka142432 Russia Institute of Quantum Computing and Computer Theory School of Computer Science and Engineering Sun Yat-sen University Guangzhou510006 China School of Mathematical Sciences Zhejiang University Hangzhou310027 China
We propose the variational quantum singular value decomposition based on encoding the elements of the considered matrix into the state of a quantum system of appropriate dimension. This method doesn’t use the expansi... 详细信息
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Scalable and fault-tolerant preparation of encoded k-uniform states
arXiv
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arXiv 2025年
作者: Majidy, Shayan Hangleiter, Dominik Gullans, Michael J. Department of Physics Harvard University CambridgeMA02138 United States Simons Institute for the Theory of Computing University of California BerkeleyCA94720 United States Joint Center for Quantum Information and Computer Science University of Maryland NIST College ParkMD20742 United States
k-uniform states are valuable resources in quantum information, enabling tasks such as teleportation, error correction, and accelerated quantum simulations. The practical realization of k-uniform states, at scale, fac... 详细信息
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Blind calibration of a quantum computer
arXiv
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arXiv 2025年
作者: Jeanette, Liam M. Wilkens, Jadwiga Roth, Ingo Than, Anton Green, Alaina M. Hangleiter, Dominik Linke, Norbert M. Joint Quantum Institute University of Maryland College ParkMD20742 United States Duke Quantum Center Duke University DurhamNC27701 United States Institute for Integrated Circuits Johannes Kepler University Linz Linz4040 Austria Quantum Research Center Technology Innovation Institute Abu Dhabi United Arab Emirates Simons Institute for the Theory of Computing University of California at Berkeley BerkeleyCA94720 United States Joint Center for Quantum Information and Computer Science NIST University of Maryland College ParkMD20742 United States
quantum system calibration is limited by the ability to characterize a quantum state under unknown device errors. We develop an accurate calibration protocol that is blind to the precise preparation of a specific quan... 详细信息
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quantum speedup and limitations on matroid property problems
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Frontiers of computer Science 2024年 第4期18卷 189-196页
作者: Xiaowei HUANG Jingquan LUO Lvzhou LI Institute of Quantum Computing and Computer Theory School of Computer Science and EngineeringSun Yat-sen UniversityGuangzhou 510006China
Matroid theory has been developed to be a mature branch of mathematics and has extensive applications in combinatorial optimization,algorithm design and so *** the other hand,quantum computing has attracted much atten... 详细信息
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quantum Hamiltonian Descent for Non-smooth Optimization
arXiv
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arXiv 2025年
作者: Leng, Jiaqi Zheng, Yufan Jia, Zhiyuan Fan, Lei Zhao, Chaoyue Peng, Yuxiang Wu, Xiaodi Simons Institute for the Theory of Computing University of California Berkeley United States Department of Mathematics University of California Berkeley United States Department of Computer Science University of Maryland College Park United States Joint Center for Quantum Information and Computer Science University of Maryland United States Department of Applied Mathematics University of Washington United States Department of Engineering Technology University of Houston United States Department of Electrical and Computer Engineering University of Houston United States Department of Industrial and Systems Engineering University of Washington United States Artephi Computing Inc United States
Non-smooth optimization models play a fundamental role in various disciplines, including engineering, science, management, and finance. However, classical algorithms for solving such models often struggle with converg... 详细信息
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