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• Limit theorems for the interference terms of discrete-time quantum walks on the line
  The probability distributions of discrete-time quantum walks have been often investigated, and many interesting properties of them have been discovered. The probability that the walker can be find at a position is defined by diagonal elements of the density ma…
  arxiv Takuya Machida 2011-12-20T10:11:42Z 置信度 0.78 quant-phmath-ph
• Challenges for Reinforcement Learning in Quantum Circuit Design
  Quantum computing (QC) in the current NISQ era is still limited in size and precision. Hybrid applications mitigating those shortcomings are prevalent to gain early insight and advantages. Hybrid quantum machine learning (QML) comprises both the application of…
  arxiv Philipp Altmann, Jonas Stein, Michael Kölle, Adelina Bärligea 等 2023-12-18T16:41:30Z 置信度 0.78 quant-phcs.LG
• Quantum advantage from energy measurements of many-body quantum systems
  The problem of sampling outputs of quantum circuits has been proposed as a candidate for demonstrating a quantum computational advantage (sometimes referred to as quantum "supremacy"). In this work, we investigate whether quantum advantage demonstrations can b…
  arxiv Leonardo Novo, Juani Bermejo-Vega, Raúl García-Patrón 2019-12-13T17:09:48Z 置信度 0.78 quant-ph
• Quantum circuits with classical versus quantum control of causal order
  Quantum supermaps are transformations that map quantum operations to quantum operations. It is known that quantum supermaps which respect a definite, predefined causal order between their input operations correspond to fixed-order quantum circuits. A systemati…
  arxiv Julian Wechs, Hippolyte Dourdent, Alastair A. Abbott, Cyril Branciard 2021-01-21T19:00:06Z 置信度 0.78 quant-ph
• Thermometry of Gaussian quantum systems using Gaussian measurements
  We study the problem of estimating the temperature of Gaussian systems with feasible measurements, namely Gaussian and photo-detection-like measurements. For Gaussian measurements, we develop a general method to identify the optimal measurement numerically, an…
  arxiv Marina F. B. Cenni, Ludovico Lami, Antonio Acin, Mohammad Mehboudi 2021-10-05T14:53:16Z 置信度 0.78 quant-phcond-mat.quant-gas
• The Madelung Picture as a Foundation of Geometric Quantum Theory
  Despite its age, quantum theory still suffers from serious conceptual difficulties. To create clarity, mathematical physicists have been attempting to formulate quantum theory geometrically and to find a rigorous method of quantization, but this has not resolv…
  arxiv Maik Reddiger 2015-09-01T10:42:23Z 置信度 0.78 quant-phmath-ph
• Quantum variational learning for quantum error-correcting codes
  Quantum error correction is believed to be a necessity for large-scale fault-tolerant quantum computation. In the past two decades, various constructions of quantum error-correcting codes (QECCs) have been developed, leading to many good code families. However…
  arxiv Chenfeng Cao, Chao Zhang, Zipeng Wu, Markus Grassl 等 2022-04-07T16:38:27Z 置信度 0.78 quant-ph
• Consistent Quantum Causes
  Developing a quantum analog of the modern classical theory of causation, as formulated by Pearl and others using directed acyclic graphs, requires a theory of random or stochastic time development at the microscopic level, where the noncommutation of Hilbert-s…
  arxiv Robert B. Griffiths 2023-03-23T19:09:02Z 置信度 0.78 quant-ph
• Information-theoretic approach to quantum error correction and reversible measurement
  Quantum operations provide a general description of the state changes allowed by quantum mechanics. The reversal of quantum operations is important for quantum error-correcting codes, teleportation, and reversing quantum measurements. We derive information-the…
  arxiv M. A. Nielsen, Carlton M. Caves, Benjamin Schumacher, Howard Barnum 1997-06-30T20:04:29Z 置信度 0.78 quant-ph
• Entanglement characterization using quantum designs
  We present in detail a statistical approach for the reference-frame-independent detection and characterization of multipartite entanglement based on moments of randomly measured correlation functions. We start by discussing how the corresponding moments can be…
  arxiv Andreas Ketterer, Nikolai Wyderka, Otfried Gühne 2020-04-17T18:00:11Z 置信度 0.78 quant-ph
• A Process Algebraic Approach to Concurrent and Distributed Quantum Computation: Operational Semantics
  Full formal descriptions of algorithms making use of quantum principles must take into account both quantum and classical computing components and assemble them so that they communicate and cooperate. Moreover, to model concurrent and distributed quantum compu…
  arxiv Marie Lalire, Philippe Jorrand 2004-07-01T08:59:53Z 置信度 0.78 quant-phcs.PL
• Arithmetical Chaos and Quantum Cosmology
  In this note, we present the formalism to start a quantum analysis for the recent billiard representation introduced by Damour, Henneaux and Nicolai in the study of the cosmological singularity. In particular we use the theory of Maass automorphic forms and re…
  arxiv Luca Antonio Forte 2008-12-23T12:27:14Z 置信度 0.78 gr-qcmath-ph
• Split-Head Quantum Generative Adversarial Network for Crystalline Material Discovery
  The discovery of novel crystalline materials is a critical challenge in computational materials science, often limited by the spatial representation limitations and mode collapse typical of classical generative models. Traditionally, developing Quantum GANs fo…
  arxiv Huan-Ming Chang, Jen-Yu Chang, Tsung-Wei Huang, En-Jui Kuo 2026-06-16T12:25:21Z 置信度 0.78 quant-ph
• Implementing Quantum Finite Automata Algorithms on Noisy Devices
  Quantum finite automata (QFAs) literature offers an alternative mathematical model for studying quantum systems with finite memory. As a superiority of quantum computing, QFAs have been shown exponentially more succinct on certain problems such as recognizing …
  arxiv Utku Birkan, Özlem Salehi, Viktor Olejar, Cem Nurlu 等 2021-05-13T10:51:28Z 置信度 0.78 quant-phcs.FL
• Geometric Algebra in Quantum Information Processing
  This paper develops a geometric model for coupled two-state quantum systems (qubits), which is formulated using geometric (aka Clifford) algebra. It begins by showing how Euclidean spinors can be interpreted as entities in the geometric algebra of a Euclidean …
  arxiv Timothy F. Havel, Chris J. L. Doran 2000-04-07T14:06:56Z 置信度 0.78 quant-ph
• Fast and scalable quantum information processing with two-electron atoms in optical tweezer arrays
  Atomic systems, ranging from trapped ions to ultracold and Rydberg atoms, offer unprecedented control over both internal and external degrees of freedom at the single-particle level. They are considered among the foremost candidates for realizing quantum simul…
  arxiv G. Pagano, F. Scazza, M. Foss-Feig 2018-08-07T18:14:02Z 置信度 0.78 quant-phcond-mat.quant-gasphysics.atom-ph
• Quantum Phase Transition, Dissipation, and Measurement
  A selected set of topics in quantum phase transition is discussed. It includes dissipative quantum phase transitions, the role of disorder, and the relevance of quantum phase transition to measurement theory in quantum mechanics.
  arxiv Sudip Chakravarty 2009-09-12T09:36:27Z 置信度 0.78 cond-mat.str-elcond-mat.stat-mechquant-ph
• Homological Description of the Quantum Adiabatic Evolution With a View Toward Quantum Computations
  We import the tools of Morse theory to study quantum adiabatic evolution, the core mechanism in adiabatic quantum computations (AQC). AQC is computationally equivalent to the (pre-eminent paradigm) of the Gate model but less error-prone, so it is ideally suita…
  arxiv Raouf Dridi, Hedayat Alghassi, Sridhar Tayur 2018-11-01T23:15:35Z 置信度 0.78 quant-phmath-ph
• Scalable on-chip quantum state tomography
  Quantum information systems are on a path to vastly exceed the complexity of any classical device. The number of entangled qubits in quantum devices is rapidly increasing and the information required to fully describe these systems scales exponentially with qu…
  arxiv James Titchener, Markus Gräfe, René Heilmann, Alexander Solntsev 等 2017-04-12T02:00:02Z 置信度 0.78 physics.opticsquant-ph
• Holonomic quantum logic gates
  This is a brief overview of quantum holonomies in the context of quantum computation. We choose an adequate set of quantum logic gates, namely, a phase gate, the Hadamard gate, and a conditional-phase gate and show how they can be implemented by purely geometr…
  arxiv Marie Ericsson 2002-02-19T17:03:58Z 置信度 0.78 quant-ph
• SSP-QST: Spectral Subspace Purification for Photonic Quantum State Tomography
  Photonic quantum sensing often uses low-rank entangled probes such as Greenberger-Horne-Zeilinger (GHZ), Bell, and NOON states. Although these probes are ideally rank-1, practical quantum state tomography (QST) can produce density-matrix estimates with many sm…
  arxiv Anuvab Sen, Saibal Mukhopadhyay 2026-07-23T22:02:23Z 置信度 0.78 quant-ph
• Contextuality of quantum fluctuations characterized by conditional weak values of entangled states
  The quantum fluctuations of a physical property can be observed in the measurement statistics of any measurement that is at least partially sensitive to that physical property. Quantum theory indicates that the effective distribution of values taken by the phy…
  arxiv Holger F. Hofmann 2020-09-14T01:50:43Z 置信度 0.78 quant-ph
• Quantum counter automata
  The question of whether quantum real-time one-counter automata (rtQ1CAs) can outperform their probabilistic counterparts has been open for more than a decade. We provide an affirmative answer to this question, by demonstrating a non-context-free language that …
  arxiv A. C. Cem Say, Abuzer Yakaryilmaz 2011-05-01T12:49:21Z 置信度 0.78 cs.CCquant-ph
• Quantum Metropolis Solver: A Quantum Walks Approach to Optimization Problems
  The efficient resolution of optimization problems is one of the key issues in today's industry. This task relies mainly on classical algorithms that present scalability problems and processing limitations. Quantum computing has emerged to challenge these types…
  arxiv Roberto Campos, Pablo A M Casares, M A Martin-Delgado 2022-07-13T18:26:36Z 置信度 0.78 quant-phcond-mat.stat-mechcs.AIcs.LG
• A Rotating Vacuum and the Quantum Mach's Principle
  In this work we consider a quantum analog of Newton's bucket experiment in a flat spacetime: we take an Unruh-DeWitt detector in interaction with a real massless scalar field. We calculate the detector's excitation rate when it is uniformly rotating around som…
  arxiv R. D. M. De Paola, N. F. Svaiter 2000-09-15T18:27:48Z 置信度 0.78 gr-qchep-th
• A correct security evaluation of quantum key distribution
  There is no doubt that quantum key distribution is an excellent result as a science. However, this paper presents a view on quantum key distribution (QKD) wherein QKD may have a difficulty to provide a sufficient security and good communication performance in …
  arxiv Osamu Hirota 2014-09-21T14:47:39Z 置信度 0.78 quant-ph
• Quantum and Classical Bayesian Agents
  We describe a general approach to modeling rational decision-making agents who adopt either quantum or classical mechanics based on the Quantum Bayesian (QBist) approach to quantum theory. With the additional ingredient of a scheme by which the properties of o…
  arxiv John B. DeBrota, Peter J. Love 2021-06-16T18:02:41Z 置信度 0.78 quant-ph
• Trading T gates for dirty qubits in state preparation and unitary synthesis
  Efficient synthesis of arbitrary quantum states and unitaries from a universal fault-tolerant gate-set e.g. Clifford+T is a key subroutine in quantum computation. As large quantum algorithms feature many qubits that encode coherent quantum information but rema…
  arxiv Guang Hao Low, Vadym Kliuchnikov, Luke Schaeffer 2018-12-03T18:24:32Z 置信度 0.78 quant-ph
• Pascual Jordan, his contributions to quantum mechanics and his legacy in contemporary local quantum physics
  After recalling episodes from Pascual Jordan's biography including his pivotal role in the shaping of quantum field theory and his much criticized conduct during the NS regime, I draw attention to his presentation of the first phase of development of quantum f…
  arxiv Bert Schroer 2003-03-27T14:55:50Z 置信度 0.78 hep-thgr-qchep-phmath-phquant-ph
• Bootstrapping the Electronic Structure of Quantum Materials
  The last several decades have seen significant advances in the theoretical modeling of materials within the fields of solid-state physics and materials science, but many methods commonly applied to this problem struggle to capture strong electron correlation a…
  arxiv Anna O. Schouten, Simon Ewing, David A. Mazziotti 2025-03-31T17:04:41Z 置信度 0.78 cond-mat.str-elcond-mat.mtrl-sciphysics.chem-phquant-ph
• Quantum supremacy in driven quantum many-body systems
  A crucial milestone in the field of quantum simulation and computation is to demonstrate that a quantum device can compute certain tasks that are impossible to reproduce by a classical computer with any reasonable resources. Such a demonstration is referred to…
  arxiv Jirawat Tangpanitanon, Supanut Thanasilp, Marc-Antoine Lemonde, Ninnat Dangiam 等 2020-02-27T07:20:15Z 置信度 0.78 quant-phcond-mat.stat-mechcond-mat.str-el
• Quantum Error Correction and Detection for Quantum Machine Learning
  At the intersection of quantum computing and machine learning, quantum machine learning (QML) is poised to revolutionize artificial intelligence. However, the vulnerability of the current generation of quantum computers to noise and computational error poses a…
  arxiv Eromanga Adermann, Haiyue Kang, Martin Sevior, Muhammad Usman 2026-01-12T05:41:10Z 置信度 0.78 quant-ph
• The quantum measurement problem and physical reality: a computation theoretic perspective
  Is the universe computable? If yes, is it computationally a polynomial place? In standard quantum mechanics, which permits infinite parallelism and the infinitely precise specification of states, a negative answer to both questions is not ruled out. On the oth…
  arxiv R. Srikanth 2006-02-14T17:50:31Z 置信度 0.78 quant-phcs.CC
• Irreversibility, Information and Randomness in Quantum Measurements
  Irreversibility in quantum measurements is considered from the point of quantum information theory. For that purpose the information transfer between the measured object S and measuring system O is analyzed. It's found that due to the principal constraints of …
  arxiv S. N. Mayburov 2012-05-28T14:58:08Z 置信度 0.78 quant-ph
• Multivariable Optimization: Quantum Annealing & Computation
  Recent developments in quantum annealing techniques have been indicating potential advantage of quantum annealing for solving NP-hard optimization problems. In this article we briefly indicate and discuss the beneficial features of quantum annealing techniques…
  arxiv Sudip Mukherjee, Bikas K. Chakrabarti 2014-08-14T12:36:24Z 置信度 0.78 cond-mat.stat-mechquant-ph
• Many-particle confinement by constructed disorder and quantum computing
  Many-particle confinement (localization) is studied for a 1D system of spinless fermions with nearest-neighbor hopping and interaction, or equivalently, for an anisotropic Heisenberg spin-1/2 chain. This system is frequently used to model quantum computers wit…
  arxiv M. I. Dykman, L. F. Santos, M. Shapiro 2005-07-20T22:27:50Z 置信度 0.78 cond-mat.mes-hallcond-mat.dis-nnquant-ph
• Certified quantum non-demolition measurement of a macroscopic material system
  Quantum non-demolition (QND) measurements improve sensitivity by evading measurement back-action. The technique was first proposed to detect mechanical oscillations in gravity wave detectors,and demonstrated in the measurement of optical fields, leading to the…
  arxiv R. J. Sewell, M. Napolitano, N. Behbood, G. Colangelo 等 2013-03-11T11:23:20Z 置信度 0.78 quant-ph
• Exploiting Particle Statistics in Quantum Computation
  We describe a plausible-speculative form of quantum computation which exploits particle (fermionic, bosonic) statistics, under a generalized, counterfactual interpretation thereof. In the idealized situation of an isolated system, it seems that this form of co…
  arxiv Giuseppe Castagnoli, Dalida Monti 1998-06-25T15:54:49Z 置信度 0.78 quant-ph
• Quantum Thermometry
  We discuss the application of techniques of quantum estimation theory and quantum metrology to thermometry. The ultimate limit to the precision at which the temperature of a system at thermal equilibrium can be determined is related to the heat capacity when g…
  arxiv Antonella De Pasquale, Thomas M. Stace 2018-07-16T09:57:13Z 置信度 0.78 quant-ph
• Cutting is All You Need: Execution of Large-Scale Quantum Neural Networks on Limited-Qubit Devices
  The rapid advancement in Quantum Computing, particularly through Noisy-Intermediate Scale Quantum (NISQ) devices, has spurred significant interest in Quantum Machine Learning (QML) applications. Despite their potential, fully-quantum algorithms remain impracti…
  arxiv Alberto Marchisio, Emman Sychiuco, Muhammad Kashif, Muhammad Shafique 2024-12-06T08:29:46Z 置信度 0.78 quant-phcs.ET
• Quantum rate distortion, reverse Shannon theorems, and source-channel separation
  We derive quantum counterparts of two key theorems of classical information theory, namely, the rate distortion theorem and the source-channel separation theorem. The rate-distortion theorem gives the ultimate limits on lossy data compression, and the source-c…
  arxiv Nilanjana Datta, Min-Hsiu Hsieh, Mark M. Wilde 2011-08-24T20:14:27Z 置信度 0.78 quant-phcs.IT
• Towards holography via quantum source-channel codes
  While originally motivated by quantum computation, quantum error correction (QEC) is currently providing valuable insights into many-body quantum physics such as topological phases of matter. Furthermore, mounting evidence originating from holography research …
  arxiv Fernando Pastawski, Jens Eisert, Henrik Wilming 2016-11-22T21:00:02Z 置信度 0.78 quant-phhep-th
• Context, spacetime loops, and the interpretation of quantum mechanics
  Three postulates are discussed: first that well-defined properties cannot be assigned to an isolated system, secondly that quantum unitary evolution is atemporal, and thirdly that some physical processes are never reversed. It is argued that these give useful …
  arxiv Andrew M. Steane 2006-11-03T22:30:01Z 置信度 0.78 quant-ph
• Quantum Non-Identical Mean Estimation: Efficient Algorithms and Fundamental Limits
  We systematically investigate quantum algorithms and lower bounds for mean estimation given query access to non-identically distributed samples. On the one hand, we give quantum mean estimators with quadratic quantum speed-up given samples from different bound…
  arxiv Jiachen Hu, Tongyang Li, Xinzhao Wang, Yecheng Xue 等 2024-05-21T14:42:39Z 置信度 0.78 quant-phstat.CO
• LLMs-Powered Accurate Extraction, Querying and Intelligent Management of Literature derived 2D Materials Data
  Two-dimensional (2D) materials have showed widespread applications in energy storage and conversion owning to their unique physicochemical, and electronic properties. Most of the valuable information for the materials, such as their properties and preparation …
  arxiv Lijun Shang, Yadong Yu, Wenqiang Kang, Jian Zhou 等 2025-11-22T04:09:53Z 置信度 0.78 cs.CLcond-mat.mtrl-scics.DB
• On the quantum measurement problem
  In this paper, I attempt a personal account of my understanding of the measurement problem in quantum mechanics, which has been largely in the tradition of the Copenhagen interpretation. I assume that (i) the quantum state is a representation of knowledge of a…
  arxiv Caslav Brukner 2015-07-19T07:21:09Z 置信度 0.78 quant-ph
• Quantum Sampling Problems, BosonSampling and Quantum Supremacy
  There is a large body of evidence for the potential of greater computational power using information carriers that are quantum mechanical over those governed by the laws of classical mechanics. But the question of the exact nature of the power contributed by q…
  arxiv A. P. Lund, Michael J. Bremner, T. C. Ralph 2017-02-10T04:15:31Z 置信度 0.78 quant-ph
• Parameter regimes for surpassing the PLOB bound with error-corrected qudit repeaters
  A potential quantum internet would open up the possibility of realizing numerous new applications, including provably secure communication. Since losses of photons limit long-distance, direct quantum communication and widespread quantum networks, quantum repea…
  arxiv Daniel Miller, Timo Holz, Hermann Kampermann, Dagmar Bruß 2019-06-12T14:36:02Z 置信度 0.78 quant-ph
• Quantum synchronization of two Van der Pol oscillators
  We study synchronization of two dissipatively coupled Van der Pol oscillators in the quantum regime. Due to quantum noise strict frequency locking is absent and is replaced by a crossover from weak to strong frequency entrainment. We discuss the differences to…
  arxiv Stefan Walter, Andreas Nunnenkamp, Christoph Bruder 2014-06-27T10:02:05Z 置信度 0.78 cond-mat.mes-hallnlin.AOquant-ph
• On Quantum Speedups for Nonconvex Optimization via Quantum Tunneling Walks
  Classical algorithms are often not effective for solving nonconvex optimization problems where local minima are separated by high barriers. In this paper, we explore possible quantum speedups for nonconvex optimization by leveraging the global effect of quantu…
  arxiv Yizhou Liu, Weijie J. Su, Tongyang Li 2022-09-29T01:39:20Z 置信度 0.78 quant-phcs.DScs.LGmath.OC
• Towards few-body QCD on a quantum computer
  Quantum computers are promising tools for the simulation of many-body systems, and among those, QCD stands out by its rich phenomenology. Every simulation starts with a codification, and here we succently review a newly developed compact encoding based on the …
  arxiv J. J. Galvez-Viruet 2024-09-10T10:36:55Z 置信度 0.78 quant-phhep-phhep-thnucl-th
• Exploring the application of quantum technologies to industrial and real-world use cases
  Recent advancements in quantum computing are leading to an era of practical utility, enabling the tackling of increasingly complex problems. The goal of this era is to leverage quantum computing to solve real-world problems in fields such as machine learning, …
  arxiv Eneko Osaba, Esther Villar-Rodriguez, Izaskun Oregi 2025-05-06T08:33:23Z 置信度 0.78 quant-phcs.ET
• Automated Charge Transition Detection in Quantum Dot Charge Stability Diagrams
  Gate-defined semiconductor quantum dots require an appropriate number of electrons to function as qubits. The number of electrons is usually tuned by analyzing charge stability diagrams, in which charge transitions manifest as edges. Therefore, to fully automa…
  arxiv Fabian Hader, Fabian Fuchs, Sarah Fleitmann, Karin Havemann 等 2025-08-12T15:38:37Z 置信度 0.78 cond-mat.mes-hallquant-ph
• Quantum Lock: A Provable Quantum Communication Advantage
  Physical unclonable functions(PUFs) provide a unique fingerprint to a physical entity by exploiting the inherent physical randomness. Gao et al. discussed the vulnerability of most current-day PUFs to sophisticated machine learning-based attacks. We address th…
  arxiv Kaushik Chakraborty, Mina Doosti, Yao Ma, Chirag Wadhwa 等 2021-10-18T17:01:46Z 置信度 0.78 quant-phcs.CR
• Efficient quantum readout-error mitigation for sparse measurement outcomes of near-term quantum devices
  The readout error on near-term quantum devices is one of the dominant noise factors, which can be mitigated by classical postprocessing called quantum readout error mitigation (QREM). The standard QREM applies the inverse of noise calibration matrix to the out…
  arxiv Bo Yang, Rudy Raymond, Shumpei Uno 2022-01-26T16:42:03Z 置信度 0.78 quant-ph
• Quantum Diffusion
  We consider a simple quantum system subjected to a classical random force. Under certain conditions it is shown that the noise-averaged Wigner function of the system follows an integro-differential stochastic Liouville equation. In the simple case of polynomia…
  arxiv Salman Habib 1994-10-25T08:58:01Z 置信度 0.78 hep-thgr-qcnlin.AO
• Exotic Quantum States in Spin-1 Bose-Einstein Condensate with Spin-Orbit Coupling in Concentric Annular Traps
  We explore the exotic quantum states emerging in the ground state (GS) of a strongly-correlated spin-1 Bose-Einstein condensate confined in two-dimensional concentric annular traps with a spin-orbit coupling (SOC). In the antiferromagnetic case, the GS density…
  arxiv Yun Liu, Zu-Jian Ying 2025-04-16T16:54:14Z 置信度 0.78 cond-mat.quant-gasquant-ph
• The Physical Implementation of Quantum Computation
  After a brief introduction to the principles and promise of quantum information processing, the requirements for the physical implementation of quantum computation are discussed. These five requirements, plus two relating to the communication of quantum inform…
  arxiv David P. DiVincenzo, IBM 2000-02-25T16:46:33Z 置信度 0.78 quant-phcond-mat.mes-hall
• Quantum Hair on Colliding Black Holes
  Abstract Black hole collision produce gravitational radiation which is generally thought in a quantum limit to be gravitons. The stretched horizon of a black hole contains quantum information, or a form of quantum hair, which in a coalescence of black holes pa…
  arxiv Lawrence Crowell, Christian Corda 2020-06-22T06:58:24Z 置信度 0.78 physics.gen-phastro-ph.HEquant-ph
• Deterministic Bethe state preparation
  We present an explicit quantum circuit that prepares an arbitrary $U(1)$-eigenstate on a quantum computer, including the exact eigenstates of the spin-1/2 XXZ quantum spin chain with either open or closed boundary conditions. The algorithm is deterministic, do…
  arxiv David Raveh, Rafael I. Nepomechie 2024-03-05T19:31:25Z 置信度 0.78 quant-ph
• Faster quantum mixing for slowly evolving sequences of Markov chains
  Markov chain methods are remarkably successful in computational physics, machine learning, and combinatorial optimization. The cost of such methods often reduces to the mixing time, i.e., the time required to reach the steady state of the Markov chain, which s…
  arxiv Davide Orsucci, Hans J. Briegel, Vedran Dunjko 2015-03-04T15:07:07Z 置信度 0.78 quant-phcs.AIcs.DS
• Towards quantum gravity with neural networks: Solving the quantum Hamilton constraint of U(1) BF theory
  In the canonical approach of loop quantum gravity, arguably the most important outstanding problem is finding and interpreting solutions to the Hamiltonian constraint. In this work, we demonstrate that methods of machine learning are in principle applicable to…
  arxiv Hanno Sahlmann, Waleed Sherif 2024-02-16T12:16:04Z 置信度 0.78 gr-qchep-thphysics.comp-ph
• Subsystem Information Capacity in Random Circuits and Hamiltonian Dynamics
  In this study, we explore the information capacity of open quantum systems, focusing on the effective channels formed by the subsystem of random quantum circuits and quantum Hamiltonian evolution. By analyzing the subsystem information capacity, which is close…
  arxiv Yu-Qin Chen, Shuo Liu, Shi-Xin Zhang 2024-05-08T14:18:36Z 置信度 0.78 quant-phcond-mat.dis-nncond-mat.stat-mech
• Cryptography, Quantum Computation and Trapped Ions
  The significance of quantum computation for cryptography is discussed. Following a brief survey of the requirements for quantum computational hardware, an overview of the ion trap quantum computation project at Los Alamos is presented. The physical limitations…
  arxiv Richard J. Hughes 1997-12-23T19:24:04Z 置信度 0.78 quant-ph
• Squashed quantum non-Markovianity: a measure of genuine quantum non-Markovianity in states
  Quantum non-Markovianity in tripartite quantum states $ρ_{ABC}$ represents a correlation between systems $A$ and $C$ when conditioned on the system $B$ and is known to have both classical and quantum contributions. However, a systematic characterization of the…
  arxiv Rajeev Gangwar, Tanmoy Pandit, Kaumudibikash Goswami, Siddhartha Das 等 2023-11-30T07:48:32Z 置信度 0.78 quant-phcond-mat.otherhep-thmath-ph
• Cavity-enhanced optical lattices for scaling neutral atom quantum technologies to higher qubit numbers
  We demonstrate a cavity-based solution to scale up experiments with ultracold atoms in optical lattices by an order of magnitude over state-of-the-art free space lattices. Our two-dimensional optical lattices are created by power enhancement cavities with larg…
  arxiv A. J. Park, J. Trautmann, N. Šantić, V. Klüsener 等 2021-10-15T13:03:41Z 置信度 0.78 cond-mat.quant-gasphysics.atom-phquant-ph
• Quantum Logic Gates using q-deformed Oscillators
  We show that the quantum logic gates, {\it viz.} the single qubit Hadamard and Phase Shift gates, can also be realised using q-deformed angular momentum states constructed via the Jordan-Schwinger mechanism with two q-deformed oscillators. {\it Keywords :} qua…
  arxiv Debashis Gangopadhyay, Mahendra Nath Sinha Roy 2004-09-08T08:14:32Z 置信度 0.78 quant-ph
• Quantum marginal problem and incompatibility
  One of the basic distinctions between classical and quantum mechanics is the existence of fundamentally incompatible quantities. Such quantities are present on all levels of quantum objects: states, measurements, quantum channels, and even higher order dynamic…
  arxiv Erkka Haapasalo, Tristan Kraft, Nikolai Miklin, Roope Uola 2019-09-06T14:50:35Z 置信度 0.78 quant-ph
• Hybrid Quantum-Classical Master Equations
  We discuss hybrid master equations of composite systems which are hybrids of classical and quantum subsystems. A fairly general form of hybrid master equations is suggested, its consistency is derived from the consistency of Lindblad quantum master equations. …
  arxiv Lajos Diósi 2014-01-02T17:27:30Z 置信度 0.78 quant-phcond-mat.mes-hallmath-ph
• On tests of the quantum nature of gravitational interactions in presence of non-linear corrections to quantum mechanics
  When two particles interact primarily through gravity and follow the laws of quantum mechanics, the generation of entanglement is considered a hallmark of the quantum nature of the gravitational interaction. However, we demonstrate that entanglement dynamics c…
  arxiv Giovanni Spaventa, Ludovico Lami, Martin B. Plenio 2023-02-01T10:49:31Z 置信度 0.78 quant-ph
• Sample Complexity of Locally Differentially Private Quantum Hypothesis Testing
  Quantum state discrimination is an important problem in many information processing tasks. In this work we are concerned with finding its best possible sample complexity when the states are preprocessed by a quantum channel that is required to be locally diffe…
  arxiv Hao-Chung Cheng, Christoph Hirche, Cambyse Rouzé 2024-06-26T18:00:19Z 置信度 0.78 quant-phcs.IT
• The quantum mechanics is a non-universal theory. The realistic Schrodinger's and positivistic Born's interpretation of the wave function
  Quantum mechanics describes successfully numerous quantum phenomena both microscopic and macroscopic, such as superconductivity. But the controversies about quantum mechanics, in the old days and present day, reveal fundamental obscurity in quantum mechanics. …
  arxiv Alexey Nikulov 2013-11-18T14:43:15Z 置信度 0.78 physics.hist-phquant-ph
• Determining quantum phase diagrams of topological Kitaev-inspired models on NISQ quantum hardware
  Topological protection is employed in fault-tolerant error correction and in developing quantum algorithms with topological qubits. But, topological protection intrinsic to models being simulated, also robustly protects calculations, even on NISQ hardware. We …
  arxiv Xiao Xiao, J. K. Freericks, A. F. Kemper 2020-06-09T21:43:47Z 置信度 0.78 quant-phcond-mat.str-el
• Routed quantum circuits
  We argue that the quantum-theoretical structures studied in several recent lines of research cannot be adequately described within the standard framework of quantum circuits. This is in particular the case whenever the combination of subsystems is described by…
  arxiv Augustin Vanrietvelde, Hlér Kristjánsson, Jonathan Barrett 2020-11-16T17:31:56Z 置信度 0.78 quant-ph
• Variational Quantum Algorithms for Computational Fluid Dynamics
  Quantum computing uses the physical principles of very small systems to develop computing platforms which can solve problems that are intractable on conventional supercomputers. There are challenges not only in building the required hardware, but also in ident…
  arxiv Dieter Jaksch, Peyman Givi, Andrew J. Daley, Thomas Rung 2022-09-11T18:49:22Z 置信度 0.78 quant-phphysics.comp-phphysics.flu-dyn
• An Improved Quantum Anonymous Notification Protocol for Quantum-Augmented Networks
  The scalability of current quantum networks is limited due to noisy quantum components and high implementation costs, thereby limiting the security advantages that quantum networks provide over their classical counterparts. Quantum Augmented Networks (QuANets)…
  arxiv Nitin Jha, Abhishek Parakh, Mahadevan Subramaniam 2025-11-15T17:59:11Z 置信度 0.78 quant-phcs.CR
• Zero and Finite Temperature Quantum Simulations Powered by Quantum Magic
  We introduce a quantum information theory-inspired method to improve the characterization of many-body Hamiltonians on near-term quantum devices. We design a new class of similarity transformations that, when applied as a preprocessing step, can substantially …
  arxiv Andi Gu, Hong-Ye Hu, Di Luo, Taylor L. Patti 等 2023-08-22T17:59:41Z 置信度 0.78 quant-ph
• Quantum to Classical Neural Network Transfer Learning Applied to Drug Toxicity Prediction
  Toxicity is a roadblock that prevents an inordinate number of drugs from being used in potentially life-saving applications. Deep learning provides a promising solution to finding ideal drug candidates; however, the vastness of chemical space coupled with the …
  arxiv Anthony M. Smaldone, Victor S. Batista 2024-03-27T20:32:04Z 置信度 0.78 quant-ph
• Deep variational quantum eigensolver for excited states and its application to quantum chemistry calculation of periodic materials
  A programmable quantum device that has a large number of qubits without fault-tolerance has emerged recently. Variational Quantum Eigensolver (VQE) is one of the most promising ways to utilize the computational power of such devices to solve problems in conden…
  arxiv Kaoru Mizuta, Mikiya Fujii, Shigeki Fujii, Kazuhide Ichikawa 等 2021-04-02T02:19:30Z 置信度 0.78 quant-phcond-mat.str-el
• How does Quantum Uncertainty Emerge from Deterministic Bohmian Mechanics?
  Bohmian mechanics is a theory that provides a consistent explanation of quantum phenomena in terms of point particles whose motion is guided by the wave function. In this theory, the state of a system of particles is defined by the actual positions of the part…
  arxiv Albert Solé, Xavier Oriols, Damiano Marian, Nino Zanghì 2016-10-04T19:40:33Z 置信度 0.78 quant-ph
• Quantum Optimal Transport
  We analyze a quantum version of the Monge--Kantorovich optimal transport problem. The quantum transport cost related to a Hermitian cost matrix $C$ is minimized over the set of all bipartite coupling states $ρ^{AB}$ with fixed reduced density matrices $ρ^A$ an…
  arxiv Sam Cole, Michał Eckstein, Shmuel Friedland, Karol Życzkowski 2021-05-14T16:11:27Z 置信度 0.78 quant-phmath.OC
• Variational quantum state preparation via quantum data buses
  We propose a variational quantum algorithm to prepare ground states of 1D lattice quantum Hamiltonians specifically tailored for programmable quantum devices where interactions among qubits are mediated by Quantum Data Buses (QDB). For trapped ions with the ax…
  arxiv Viacheslav V. Kuzmin, Pietro Silvi 2019-12-25T22:24:56Z 置信度 0.78 quant-ph
• Superradiant Quantum Materials
  There is currently great interest in the strong coupling between the quantized photon field of a cavity and electronic or other degrees of freedom in materials. A major goal is the creation of novel collective states entangling photons with those degrees of fr…
  arxiv Giacomo Mazza, Antoine Georges 2018-04-23T16:18:50Z 置信度 0.78 cond-mat.str-elquant-ph
• Quantum Steering and Space-Like Separation
  In non-relativistic quantum mechanics, measurements performed by separate observers are modeled via tensor products. In Algebraic Quantum Field Theory, though, local observables corresponding to space-like separated parties are just required to commute. The pr…
  arxiv Miguel Navascues, David Perez-Garcia 2012-04-27T14:03:53Z 置信度 0.78 quant-ph
• The Quantum and Classical Complexity of Translationally Invariant Tiling and Hamiltonian Problems
  We study the complexity of a class of problems involving satisfying constraints which remain the same under translations in one or more spatial directions. In this paper, we show hardness of a classical tiling problem on an N x N 2-dimensional grid and a quant…
  arxiv Daniel Gottesman, Sandy Irani 2009-05-14T20:28:03Z 置信度 0.78 quant-phcs.CC
• Measurement of polarization quantum states under chromatic aberration conditions
  The wave plate is a basic device for transforming and measuring the polarization states of light. It is known that the transformation of light by means of two wave plates makes it possible to measure the state of polarization in an arbitrary basis. The finite …
  arxiv Yu. I. Bogdanov, B. I. Bantysh, N. A. Bogdanova, M. I. Shakirov 等 2022-01-09T19:35:55Z 置信度 0.78 quant-ph
• Multinode quantum spin liquids in extended Kitaev honeycomb models: the view from variational Monte Carlo
  We discuss the discovery by variational Monte Carlo (VMC) methods of a series of multinode quantum spin liquids (QSLs) in extended Kitaev models on the honeycomb lattice. Like the gapless Kitaev spin liquid with its two nodes at K and K$^\prime$, these multino…
  arxiv Jiucai Wang, B. Normand, Zheng-Xin Liu 2024-06-29T06:31:30Z 置信度 0.78 cond-mat.str-el
• Indirect Controllability of Quantum Systems; A Study of Two Interacting Quantum Bits
  A quantum mechanical system S is indirectly controlled when the control affects an ancillary system A and the evolution of S is modified through the interaction with A only. A study of indirect controllability gives a description of the set of states that can …
  arxiv Domenico D'Alessandro, Raffaele Romano 2012-03-05T12:32:50Z 置信度 0.78 quant-ph
• Automated Quantum Oracle Synthesis with a Minimal Number of Qubits
  Several prominent quantum computing algorithms--including Grover's search algorithm and Shor's algorithm for finding the prime factorization of an integer--employ subcircuits termed 'oracles' that embed a specific instance of a mathematical function into a cor…
  arxiv Jessie M. Henderson, Elena R. Henderson, Aviraj Sinha, Mitchell A. Thornton 等 2023-04-07T20:12:13Z 置信度 0.78 quant-ph
• One-Way Quantum Computing in the Optical Frequency Comb
  One-way quantum computing allows any quantum algorithm to be implemented easily using just measurements. The difficult part is creating the universal resource, a cluster state, on which the measurements are made. We propose a radically new approach: a scalable…
  arxiv Nicolas C. Menicucci, Steven T. Flammia, Olivier Pfister 2008-04-28T19:59:46Z 置信度 0.78 quant-ph
• Large Tunable Thermoelectric Effects in Superconducting Spin Valves with Commercially Available Materials
  Recent studies have revealed magnetically controllable thermoelectric effects in superconductor/ferromagnet (S/F) structures. A tunable cryogenic thermoelectric generator needs not only a high conversion factor between electricity and heat, but also a large ch…
  arxiv Pablo Tuero, Johanne Bratland Tjernshaugen, Carlos Sanchez, César Gonzalez-Ruano 等 2025-02-10T19:02:07Z 置信度 0.78 cond-mat.supr-con
• Tailoring correlations of the local density of states in disordered photonic materials
  We present experimental evidence for the different mechanisms driving the fluctuations of the local density of states (LDOS) in disordered photonic systems. We establish a clear link between the microscopic structure of the material and the frequency correlati…
  arxiv F. Riboli, F. Uccheddu, G. Monaco, N. Caselli 等 2016-09-07T13:32:07Z 置信度 0.78 cond-mat.dis-nnphysics.optics
• Quantum Supermaps are Characterized by Locality
  We provide a new characterisation of quantum supermaps in terms of an axiom that refers only to sequential and parallel composition. Consequently, we generalize quantum supermaps to arbitrary monoidal categories and operational probabilistic theories. We do so…
  arxiv Matt Wilson, Giulio Chiribella, Aleks Kissinger 2022-05-19T20:36:33Z 置信度 0.78 quant-phmath-phmath.CT
• Quantum teleportation of propagating quantum microwaves
  Propagating quantum microwaves have been proposed and successfully implemented to generate entanglement, thereby establishing a promising platform for the realisation of a quantum communication channel. However, the implementation of quantum teleportation with…
  arxiv R. Di Candia, K. G. Fedorov, L. Zhong, S. Felicetti 等 2015-06-22T17:51:20Z 置信度 0.78 quant-phcond-mat.mes-hallcond-mat.supr-con
• Accelerated quantum Monte Carlo with mitigated error on noisy quantum computer
  Quantum Monte Carlo and quantum simulation are both important tools for understanding quantum many-body systems. As a classical algorithm, quantum Monte Carlo suffers from the sign problem, preventing its application to most fermion systems and real time dynam…
  arxiv Yongdan Yang, Bing-Nan Lu, Ying Li 2021-06-18T02:45:14Z 置信度 0.78 quant-phnucl-th
• Vectorizing Quantum Control: A RISC-V Vector Extension Architecture for Scalable Qubit Systems
  The Quantum Control Processor (QCP) bridges the gap between compiler toolchains and control electronics, and is responsible for translating compiled quantum circuits into executable instructions that directly manipulate qubits and handle measurement feedback. …
  arxiv Xiaorang Guo, Kun Qin, Yanbin Chen, Carsten Trinitis 等 2026-07-08T13:05:19Z 置信度 0.78 cs.ARquant-ph
• Quantum information
  This article reviews the extraordinary features of quantum information predicted by the quantum formalism, which, combined with the development of modern quantum technologies, have opened new horizons in quantum physics that can potentially affect various area…
  arxiv Ryszard Horodecki 2021-03-13T13:03:48Z 置信度 0.78 quant-ph
• Tests of Quantum Gravity-Induced Non-Locality: Hamiltonian formulation of a non-local harmonic oscillator
  Motivated by the development of on-going optomechanical experiments aimed at constraining non-local effects inspired by some quantum gravity scenarios, the Hamiltonian formulation of a non-local harmonic oscillator, and its coupling to a cavity field mode(s), …
  arxiv Alessio Belenchia, Dionigi M. T. Benincasa, Francesco Marin, Francesco Marino 等 2019-01-17T14:46:43Z 置信度 0.78 gr-qchep-thquant-ph
• Universal blind quantum computation
  We present a protocol which allows a client to have a server carry out a quantum computation for her such that the client's inputs, outputs and computation remain perfectly private, and where she does not require any quantum computational power or memory. The …
  arxiv Anne Broadbent, Joseph Fitzsimons, Elham Kashefi 2008-07-25T18:35:00Z 置信度 0.78 quant-ph
• Coherence and measurement in quantum thermodynamics
  Thermodynamics is a highly successful macroscopic theory widely used across the natural sciences and for the construction of everyday devices, from car engines and fridges to power plants and solar cells. With thermodynamics predating quantum theory, research …
  arxiv Philipp Kammerlander, Janet Anders 2015-02-09T21:00:16Z 置信度 0.78 quant-ph