量子材料 · 全部实体（第 97 / 100 页）

本页收录第 9601–9700 条，共 10000 条 · 返回 量子材料 首页

• Input-Aware Dynamic Backdoor Attack Against Quantum Neural Networks
  Quantum Neural Networks (QNNs) are a promising framework for quantum machine learning on near-term quantum devices, but their security risks remain insufficiently understood. Studies have shown that QNNs are vulnerable to backdoor attacks, yet existing quantum…
  arxiv Junrui Zhang, Zemin Chen, Lusi Li, Mohammad Ghasemigol 等 2026-07-13T17:34:17Z 置信度 0.78 quant-phcs.LG
• Optimization of C-band quantum traffic coexisting with O-band classical traffic: preliminary results
  The coexistence of quantum and classical signals in the same optical fiber is a critical challenge for the deployment of quantum networks. Indeed, selecting an optimal channel for quantum signal transmission is crucial to minimize noise arising from co-propaga…
  arxiv Laura d'Avossa, Elena Montella, Marco Grillo, Angela Sara Cacciapuoti 等 2026-07-29T13:36:16Z 置信度 0.78 quant-ph
• Quantum Contextuality
  Quantum contextual sets have been recognized as resources for universal quantum computation, quantum steering and quantum communication. Therefore, we focus on engineering the sets that support those resources and on determining their structures and properties…
  arxiv Mladen Pavicic 2021-08-02T15:11:53Z 置信度 0.78 quant-phmath-ph
• Quantum advantage in temporally flat measurement-based quantum computation
  Several classes of quantum circuits have been shown to provide a quantum computational advantage under certain assumptions. The study of ever more restricted classes of quantum circuits capable of quantum advantage is motivated by possible simplifications in e…
  arxiv Michael de Oliveira, Luís S. Barbosa, Ernesto F. Galvão 2022-12-07T14:34:56Z 置信度 0.78 quant-ph
• Can PT-Symmetric Quantum Mechanics be a Viable Alternative Quantum Theory?
  Update: A time-independent $n\times n$ PT-symmetric (and symmetric) Hamiltonian is diagonalizable since it has all distinct real eigenvalues and the resulting diagonal matrix is a real symmetric matrix. The diagonalization results an isometry so there shouldn'…
  arxiv Sungwook Lee, Lawrence R. Mead 2013-03-25T22:39:55Z 置信度 0.78 quant-phmath-ph
• Quantum mechanics without quanta
  In this paper, I argue that light is a continuous classical electromagnetic wave, while the observed so-called quantum nature of the interaction of light with matter is connected to the discrete (atomic) structure of matter and to the specific nature of the li…
  arxiv Sergey A. Rashkovskiy 2015-07-07T07:44:07Z 置信度 0.78 quant-ph
• High-Capacity Quantum Associative Memories
  We review our models of quantum associative memories that represent the "quantization" of fully coupled neural networks like the Hopfield model. The idea is to replace the classical irreversible attractor dynamics driven by an Ising model with pattern-dependen…
  arxiv M. Cristina Diamantini, Carlo A. Trugenberger 2015-05-30T13:30:06Z 置信度 0.78 quant-ph
• Quantum stochastic processes and quantum non-Markovian phenomena
  The field of classical stochastic processes forms a major branch of mathematics. They are, of course, also very well studied in biology, chemistry, ecology, geology, finance, physics, and many more fields of natural and social sciences. When it comes to quantu…
  arxiv Simon Milz, Kavan Modi 2020-12-03T13:16:25Z 置信度 0.78 quant-ph
• Towards the simulation of higher-order quantum resources: a general type-theoretic approach
  Quantum resources exist in a hierarchy of multiple levels. At order zero, quantum states are transformed by linear maps (channels, or gates) in order to perform computations or simulate other states. At order one, gates and channels are transformed by linear m…
  arxiv Samuel B. Steakley, Elia Zanoni, Carlo Maria Scandolo 2025-10-04T02:07:54Z 置信度 0.78 quant-ph
• Quantum Quandaries: a Category-Theoretic Perspective
  General relativity may seem very different from quantum theory, but work on quantum gravity has revealed a deep analogy between the two. General relativity makes heavy use of the category nCob, whose objects are (n-1)-dimensional manifolds representing "space"…
  arxiv John C. Baez 2004-04-07T01:45:56Z 置信度 0.78 quant-phgr-qcmath.QA
• Conditional quantum state engineering at beam splitter arrays
  The generation of arbitrary single-mode quantum states from the vacuum by alternate coherent displacement and photon adding as well as the measurement of the overlap of a signal with an arbitrarily chosen quantum state are studied. With regard to implementatio…
  arxiv J. Clausen, M. Dakna, L. Knoell, D. -G. Welsch 1999-05-25T14:39:28Z 置信度 0.78 quant-ph
• Quantum Correlations in Multipartite Quantum Systems
  We review some concepts and properties of quantum correlations, in particular multipartite measures, geometric measures and monogamy relations. We also discuss the relation between classical and total correlations
  arxiv Thiago R. de Oliveira 2017-06-09T19:41:40Z 置信度 0.78 quant-ph
• Quantum abstract machines without circuits: the need for higher algorithmic expressiveness
  Existing abstract models of quantum computation make reference to circuit elements, much in contrast to their classical counterparts. Circuits, as a model of computation, substantially limit algorithmic expression and obscure high-level connections between pro…
  arxiv Santiago Núñez-Corrales 2023-07-17T12:13:15Z 置信度 0.78 quant-ph
• Hybrid Models in Loop Quantum Cosmology
  In the framework of Loop Quantum Cosmology, inhomogeneous models are usually quantized by means of a hybrid approach that combines loop quantization techniques with standard quantum field theory methods. This approach is based on a splitting of the phase space…
  arxiv B. Elizaga Navascués, M. Martín-Benito, G. A. Mena Marugán 2016-08-21T14:35:48Z 置信度 0.78 gr-qc
• Ultimate tradeoff relation of quantum precision limits in multiparameter linear measurement
  Linear measurements are widely applied in sensing classical signals, e.g., gravitational wave (GW), and are developing toward joint measurement of multiple parameters. In this work, focusing on multiparameter linear measurements of classical monochromatic sign…
  arxiv Guolong Li, Xiao-Ming Lu 2024-12-19T16:43:19Z 置信度 0.78 quant-phgr-qcphysics.optics
• Exact, Average, and Broken Symmetries in a Simple Adaptive Monitored Circuit
  Symmetry is a powerful tool for understanding phases of matter in equilibrium. Quantum circuits with measurements have recently emerged as a platform for novel states of matter intrinsically out of equilibrium. Can symmetry be used as an organizing principle f…
  arxiv Zhi Li, Zhu-Xi Luo 2023-12-28T18:56:23Z 置信度 0.78 quant-phcond-mat.stat-mechcond-mat.str-el
• Quantum Lattice Boltzmann is a quantum walk
  Numerical methods for the 1-D Dirac equation based on operator splitting and on the quantum lattice Boltzmann (QLB) schemes are reviewed. It is shown that these discretizations fall within the class of quantum walks, i.e. discrete maps for complex fields, whos…
  arxiv Sauro Succi, Francois Fillion-Gourdeau, Silvia Palpacelli 2015-04-13T12:56:08Z 置信度 0.78 quant-ph
• Quantum Machine Learning Architecture Search via Deep Reinforcement Learning
  The rapid advancement of quantum computing (QC) and machine learning (ML) has given rise to the burgeoning field of quantum machine learning (QML), aiming to capitalize on the strengths of quantum computing to propel ML forward. Despite its promise, crafting e…
  arxiv Xin Dai, Tzu-Chieh Wei, Shinjae Yoo, Samuel Yen-Chi Chen 2024-07-29T16:20:51Z 置信度 0.78 quant-phcs.AIcs.ETcs.LGcs.NE
• Quantum reference systems: reconciling locality with quantum mechanics
  The status of locality in quantum mechanics is analyzed from a nonstandard point of view. It is assumed that quantum states are relative, they depend on and are defined with respect to some bigger physical system which contains the former system as a subsystem…
  arxiv Gyula Bene 2000-08-30T18:36:20Z 置信度 0.78 quant-ph
• Quantum kinetic theory of light-matter interactions in degenerate plasmas
  A rigorous treatment of light-matter interactions typically requires an interacting quantum field theory. However, most applications of interest are handled using classical or semiclassical models, which are valid only when quantum-field fluctuations can be ne…
  arxiv J. L. Figueiredo, J. T. Mendonça, H. Terças 2024-10-08T11:10:46Z 置信度 0.78 cond-mat.quant-gascond-mat.othermath-phphysics.plasm-ph
• Processing through encoding: Quantum circuit approaches for point-wise multiplication and convolution
  This paper introduces quantum circuit methodologies for pointwise multiplication and convolution of complex functions, conceptualized as "processing through encoding". Leveraging known techniques, we describe an approach where multiple complex functions are en…
  arxiv Andreas Papageorgiou, Paulo Vitor Itaborai, Kostas Blekos, Karl Jansen 2025-12-12T10:52:06Z 置信度 0.78 quant-phcs.ETcs.SDeess.SP
• Quantum key distribution with quantum walks
  Quantum key distribution is one of the most fundamental cryptographic protocols. Quantum walks are important primitives for computing. In this paper we take advantage of the properties of quantum walks to design new secure quantum key distribution schemes. In …
  arxiv Chrysoula Vlachou, Walter Krawec, Paulo Mateus, Nikola Paunkovic 等 2017-10-22T17:16:44Z 置信度 0.78 quant-ph
• Space-to-ground quantum-communication using an optical ground station: a feasibility study
  We have tested the experimental prerequisites for a Space-to-Ground quantum communication link between satellites and an optical ground station. The feasibility of our ideas is being assessed using the facilities of the ASI Matera Laser Ranging Observatory (ML…
  arxiv P. Villoresi, F. Tamburini, M. Aspelmeyer, T. Jennewein 等 2004-08-10T20:00:57Z 置信度 0.78 quant-ph
• Efficient Simulation of Quantum Systems by Quantum Computers
  We show that the time evolution of the wave function of a quantum mechanical many particle system can be implemented very efficiently on a quantum computer. The computational cost of such a simulation is comparable to the cost of a conventional simulation of t…
  arxiv Christof Zalka 1996-03-25T08:37:31Z 置信度 0.78 quant-ph
• Consistent Histories and Quantum Delayed Choice
  John Wheeler devised a gedanken experiment in which a piece of apparatus can be altered just before the arrival of particle, and this ``delayed choice'' can, seemingly, alter the quantum state of the particle at a much earlier time, long before the choice is m…
  arxiv Robert B. Griffiths 1998-10-06T12:28:07Z 置信度 0.78 quant-ph
• Entanglement, the quantum formalism and the classical world
  75 years after the term "entanglement" was coined to a peculiar feature inherent to quantum systems, the connection between quantum and classical mechanics remains an open problem. Drawing on recent results obtained in semiclassical systems, we discuss here th…
  arxiv Alex Matzkin 2011-10-02T08:33:31Z 置信度 0.78 quant-phphysics.hist-ph
• Gauge-invariant bounce from loop quantum gravity
  We present a gauge-invariant treatment of singularity resolution using loop quantum gravity techniques with respect to local SU(2) transformations. Our analysis reveals many novel features of quantum geometry which were till now hidden in models based on non-g…
  arxiv Klaus Liegener, Parampreet Singh 2019-06-06T18:01:42Z 置信度 0.78 gr-qchep-th
• Efficient Implementation of Interior-Point Methods for Quantum Relative Entropy
  Quantum Relative Entropy (QRE) programming is a recently popular and challenging class of convex optimization problems with significant applications in quantum computing and quantum information theory. We are interested in modern interior point (IP) methods ba…
  arxiv Mehdi Karimi, Levent Tuncel 2023-12-12T17:05:38Z 置信度 0.78 quant-phcs.MSmath.OC
• Particle Path Formulation of Quantum Mechanics
  An extension of the classical action principle obtained in the framework of the gauge transformations, is used to describe the motion of a particle. This extension assigns many, but not all, paths to a particle. Properties of the particle paths are shown to im…
  arxiv S. R. Vatsya 1996-01-03T20:24:29Z 置信度 0.78 quant-ph
• Infinite-fold Asymptotic Quantum Advantage in Classical Correlation Sensing
  We study the hypothesis testing problem of distinguishing between correlated thermal noise and uncorrelated thermal noise of the same average energy on $K$ detectors in asymptotic asymmetric hypothesis testing. We compare the performance of heterodyne or homod…
  arxiv Janis Nötzel, Pere Munar-Vallespir 2025-03-21T15:36:51Z 置信度 0.78 quant-phcs.IT
• A brief introduction of quantum cryptography for engineers
  We present the fundamental principles behind quantum key distribution and discuss a few well-known QKD protocols. Bearing in mind that the majority of our readers are from engineering and experimental optics, we focus more on the experimental implementation of…
  arxiv Bing Qi, Li Qian, Hoi-Kwong Lo 2010-02-05T14:50:45Z 置信度 0.78 quant-ph
• Quantum Malware
  When quantum communication networks proliferate they will likely be subject to a new type of attack: by hackers, virus makers, and other malicious intruders. Here we introduce the concept of "quantum malware" to describe such human-made intrusions. We offer a …
  arxiv Lian-Ao Wu, Daniel A. Lidar 2005-05-17T19:37:56Z 置信度 0.78 quant-ph
• Quantum geometrodynamics: whence, whither?
  Quantum geometrodynamics is canonical quantum gravity with the three-metric as the configuration variable. Its central equation is the Wheeler--DeWitt equation. Here I give an overview of the status of this approach. The issues discussed include the problem of…
  arxiv Claus Kiefer 2008-12-01T13:58:11Z 置信度 0.78 gr-qchep-th
• Matrix Model simulations using Quantum Computing, Deep Learning, and Lattice Monte Carlo
  Matrix quantum mechanics plays various important roles in theoretical physics, such as a holographic description of quantum black holes. Understanding quantum black holes and the role of entanglement in a holographic setup is of paramount importance for the de…
  arxiv Enrico Rinaldi, Xizhi Han, Mohammad Hassan, Yuan Feng 等 2021-08-06T05:20:02Z 置信度 0.78 quant-phhep-lathep-th
• Discovering novel quantum dynamics with NISQ simulators
  Major technological advances of the past century are rooted in our understanding of quantum physics in the non-interacting limit. A central challenge today is to understand the behavior of complex quantum many-body systems, where interactions play an essential…
  arxiv Pedram Roushan, Leigh S. Martin 2025-12-09T06:48:20Z 置信度 0.78 quant-ph
• Quantum Reality and Measurement: A Quantum Logical Approach
  The recently established universal uncertainty principle revealed that two nowhere commuting observables can be measured simultaneously in some state, whereas they have no joint probability distribution in any state. Thus, one measuring apparatus can simultane…
  arxiv Masanao Ozawa 2009-11-05T22:48:27Z 置信度 0.78 quant-ph
• Experimental and theoretical challenges for the trapped electron quantum computer
  We discuss quantum information processing with trapped electrons. After recalling the operation principle of planar Penning traps we sketch the experimental conditions to load, cool and detect single electrons. Here we present a detailed investigation of a sca…
  arxiv I. Marzoli, P. Tombesi, G. Ciaramicoli, G. Werth 等 2008-10-24T10:44:39Z 置信度 0.78 quant-ph
• Determinism beneath Quantum Mechanics
  Contrary to common belief, it is not difficult to construct deterministic models where stochastic behavior is correctly described by quantum mechanical amplitudes, in precise accordance with the Copenhagen-Bohr-Bohm doctrine. What is difficult however is to ob…
  arxiv Gerard 't Hooft 2002-12-16T17:21:02Z 置信度 0.78 quant-ph
• Quantum Hidden Subgroup Algorithms: The Devil Is in the Details
  We conjecture that one of the main obstacles to creating new non-abelian quantum hidden subgroup algorithms is the correct choice of a transversal.
  arxiv Samuel J. Lomonaco,, Louis H. Kauffman 2004-03-31T02:13:05Z 置信度 0.78 quant-ph
• Verification of Quantum Circuits through Barrier Certificates using a Scenario Approach
  In recent years, various techniques have been explored for the verification of quantum circuits, including the use of barrier certificates, mathematical tools capable of demonstrating the correctness of such systems. These certificates ensure that, starting fr…
  arxiv Siwei Hu, Victor Lopata, Sadegh Soudjani, Paolo Zuliani 2025-06-09T11:01:17Z 置信度 0.78 cs.LOquant-ph
• Holographic Spacetimes as Quantum Circuits of Path-Integrations
  We propose that holographic spacetimes can be regarded as collections of quantum circuits based on path-integrals. We relate a codimension one surface in a gravity dual to a quantum circuit given by a path-integration on that surface with an appropriate UV cut…
  arxiv Tadashi Takayanagi 2018-08-28T00:27:40Z 置信度 0.78 hep-thcond-mat.stat-mechquant-ph
• Quantum polarization characterization and tomography
  We present a complete polarization characterization of any quantum state of two orthogonal polarization modes, and give a systematic measurement procedure to collect the necessary data. Full characterization requires measurements of the photon number in both m…
  arxiv Jonas Soderholm, Gunnar Bjork, Andrei B. Klimov, Luis L. Sanchez-Soto 等 2012-10-05T09:10:33Z 置信度 0.78 quant-phphysics.optics
• Exploring Quantum Materials & Applications: A Review
  Current condensed matter research is centered on advanced materials and their distinctive features. The interest in Quantum materials (QMs) continues to increase without any decrease due to their novel phenomenon and potential as platforms for revolutionary ne…
  arxiv Rajat Kumar Goyal 2024-04-21T04:20:44Z 置信度 0.78 cond-mat.mtrl-sciquant-ph
• The power of noisy quantum states and the advantage of resource dilution
  Entanglement distillation allows to convert noisy quantum states into singlets, which can in turn be used for various quantum technological tasks, such as quantum teleportation and quantum key distribution. Entanglement dilution is the inverse process: singlet…
  arxiv Marek Miller, Manfredi Scalici, Marco Fellous Asiani, Alexander Streltsov 2022-10-25T17:39:29Z 置信度 0.78 quant-ph
• Q-SpiRL: Quantum Spiking Reinforcement Learning for Adaptive Robot Navigation
  Adaptive robot navigation in dynamic environments requires policies that can reach the target reliably while producing efficient and stable trajectories. This paper presents Q-SpiRL, a quantum spiking reinforcement learning framework for obstacle-aware robot n…
  arxiv Mohamed Khair Altrabulsi, Nouhaila Innan, Alberto Marchisio, Muhammad Kashif 等 2026-05-20T06:45:24Z 置信度 0.78 cs.ROquant-ph
• From Quantum to Classical: the Quantum State Diffusion Model
  Quantum mechanics is nonlocal. Classical mechanics is local. Consequently classical mechanics can not explain all quantum phenomena. Conversely, it is cumbersome to use quantum mechanics to describe classical phenomena. Not only are the computations more compl…
  arxiv Nicolas Gisin, Todd A. Brun, Marco Rigo 1996-11-01T19:13:54Z 置信度 0.78 quant-ph
• Onset of scrambling as a dynamical transition in tunable-range quantum circuits
  In a fast scrambling many-body quantum system, information is spread and entanglement is built up on a timescale that grows logarithmically with the system size. This is of fundamental interest in understanding the dynamics of many-body systems, as well as in …
  arxiv Sridevi Kuriyattil, Tomohiro Hashizume, Gregory Bentsen, Andrew J. Daley 2023-04-19T17:37:10Z 置信度 0.78 quant-phcond-mat.quant-gas
• Let the Quantum Creep In: Designing Quantum Neural Network Models by Gradually Swapping Out Classical Components
  Artificial Intelligence (AI), with its multiplier effect and wide applications in multiple areas, could potentially be an important application of quantum computing. Since modern AI systems are often built on neural networks, the design of quantum neural netwo…
  arxiv Peiyong Wang, Casey. R. Myers, Lloyd C. L. Hollenberg, Udaya Parampalli 2024-09-26T07:01:29Z 置信度 0.78 quant-phcs.AIcs.CVcs.LG
• Locally restricted measurements on a multipartite quantum system: data hiding is generic
  We study the distinguishability norms associated to families of locally restricted POVMs on multipartite systems. These norms (introduced by Matthews, Wehner and Winter) quantify how quantum measurements, subject to locality constraints, perform in the task of…
  arxiv Guillaume Aubrun, Cécilia Lancien 2014-06-08T08:54:36Z 置信度 0.78 quant-phmath.FAmath.PR
• QSES's and the Quantum Jump
  The stochastic methods in Hilbert space have been used both from a fundamental and a practical point of view. The result we report here concerns only the idea of applying these methods to model the evolution of quantum systems and does not enter into the quest…
  arxiv D. Salgado, J. L. Sanchez-Gomez 2001-06-20T13:17:39Z 置信度 0.78 quant-ph
• Quantum metrology with full and fast quantum control
  We establish general limits on how precise a parameter, e.g. frequency or the strength of a magnetic field, can be estimated with the aid of full and fast quantum control. We consider uncorrelated noisy evolutions of N qubits and show that fast control allows …
  arxiv Pavel Sekatski, Michalis Skotiniotis, Janek Kołodyński, Wolfgang Dür 2016-03-29T20:14:52Z 置信度 0.78 quant-ph
• An upper bound on quantum capacity of unital channels
  We analyze the quantum capacity of a unital quantum channel, using ideas from the proof of near-optimality of Petz recovery map [Barnum and Knill 2000] and give an upper bound on the quantum capacity in terms of regularized output $2$-norm of the channel. We a…
  arxiv Anurag Anshu 2016-11-28T17:17:00Z 置信度 0.78 quant-ph
• John Bell's varying interpretations of quantum mechanics
  Various interpretations of quantum mechanics, favored (or neglected) by John Bell in the context of his non-locality theorem, are compared and discussed.
  arxiv H. Dieter Zeh 2014-02-22T10:17:06Z 置信度 0.78 quant-phgr-qcphysics.hist-ph
• Ultracold molecules for quantum simulation: rotational coherences in CaF and RbCs
  We explore the uses of ultracold molecules as a platform for future experiments in the field of quantum simulation, focusing on two molecular species, $^{40}$Ca$^{19}$F and $^{87}$Rb$^{133}$Cs. We report the development of coherent quantum state control using …
  arxiv Jacob A Blackmore, Luke Caldwell, Philip D Gregory, Elizabeth M Bridge 等 2018-04-06T17:44:47Z 置信度 0.78 cond-mat.quant-gasphysics.atom-ph
• Revisiting Quantum Mysteries
  In this article we argue that in quantum mechanics, and in opposition to classical physics, it is impossible to say that an isolated quantum system "owns" a physical property. Some properties of the system, its mass for example, belong to it in a sense close t…
  arxiv Philippe Grangier 2021-05-30T07:34:09Z 置信度 0.78 quant-phphysics.hist-ph
• Fermi 1D quantum gas: Luttinger liquid approach and spin-charge separation
  We discuss the properties of quasi-1D quantum gases of fermionic atoms using the Luttinger liquid theory, including the presence of an optical lattice and of a longitudinal trapping potential. We analyze in particular the nature and manifestations of spin-char…
  arxiv A. Recati, P. O. Fedichev, W. Zwerger, P. Zoller 2002-12-09T18:10:27Z 置信度 0.78 cond-mat.str-elcond-mat.soft
• Compact Quantum Groupoids
  Quantum groupoids are a joint generalization of groupoids and quantum groups. We propose a definition of a compact quantum groupoid that is based on the theory of C*-algebras and Hilbert bimodules. The essential point is that whenever one has a tensor product …
  arxiv N. P. Landsman 1999-12-07T11:18:44Z 置信度 0.78 math-phmath.QA
• What is a quantum really like?
  The hypothesis of quantum self-interference is not directly observable, but has at least three necessary implications. First, a quantum entity must have no less than two open paths. Second, the size of the interval between any two consecutive quanta must be ir…
  arxiv Ghenadie N. Mardari 2003-12-02T23:48:45Z 置信度 0.78 quant-ph
• Quantum Natural Gradient
  A quantum generalization of Natural Gradient Descent is presented as part of a general-purpose optimization framework for variational quantum circuits. The optimization dynamics is interpreted as moving in the steepest descent direction with respect to the Qua…
  arxiv James Stokes, Josh Izaac, Nathan Killoran, Giuseppe Carleo 2019-09-04T20:52:32Z 置信度 0.78 quant-phcs.LGstat.ML
• Time-Symmetrized Quantum Theory
  A brief review of the time-symmetrized quantum formalism originated by Aharonov, Bergmann and Lebowitz is presented. Symmetry of various measurements under the time reversal is analyzed. Time-symmetrized counterfactuals are introduced. It is argued that the ti…
  arxiv Lev Vaidman 1997-10-14T09:53:33Z 置信度 0.78 quant-ph
• The Dynamical Nonlocality of Neutral Kaons and the Kaonic Quantum Eraser
  Testing quantum foundations for systems in high energy physics gets currently more and more attention e.g. witnessed for entangled neutral K-mesons by the approved programme of the KLOE collaboration at the accelerator facility DAPHNE (Frascati, Italy). We foc…
  arxiv Beatrix C. Hiesmayr 2010-10-20T15:14:22Z 置信度 0.78 quant-phhep-th
• Quantum Damped Harmonic Oscillator
  In this chapter we treat the quantum damped harmonic oscillator, and study mathematical structure of the model, and construct general solution with any initial condition, and give a quantum counterpart in the case of taking coherent state as an initial conditi…
  arxiv Kazuyuki Fujii 2012-09-07T02:13:54Z 置信度 0.78 quant-phmath-ph
• Quantum Circuit Cutting for Classical Shadows
  Classical shadow tomography is a sample-efficient technique for characterizing quantum systems and predicting many of their properties. Circuit cutting is a technique for dividing large quantum circuits into smaller fragments that can be executed more robustly…
  arxiv Daniel T. Chen, Zain H. Saleem, Michael A. Perlin 2022-12-01T18:50:15Z 置信度 0.78 quant-ph
• Universal Approximation Property of Quantum Machine Learning Models in Quantum-Enhanced Feature Spaces
  Encoding classical data into quantum states is considered a quantum feature map to map classical data into a quantum Hilbert space. This feature map provides opportunities to incorporate quantum advantages into machine learning algorithms to be performed on ne…
  arxiv Takahiro Goto, Quoc Hoan Tran, Kohei Nakajima 2020-09-01T09:09:29Z 置信度 0.78 quant-phcs.LGstat.ML
• Quantum arithmetic with the Quantum Fourier Transform
  The Quantum Fourier Transform offers an interesting way to perform arithmetic operations on a quantum computer. We review existing Quantum Fourier Transform adders and multipliers and propose some modifications that extend their capabilities. Among the new cir…
  arxiv Lidia Ruiz-Perez, Juan Carlos Garcia-Escartin 2014-11-21T16:44:10Z 置信度 0.78 quant-ph
• Quantum Simulation of Noisy Quantum Networks
  Complex quantum networks are not only hard to establish, but also difficult to simulate due to the exponentially growing state space and noise-induced imperfections. In this work, we propose an alternative approach that leverage quantum computers and noisy int…
  arxiv Ferran Riera-Sàbat, Jorge Miguel-Ramiro, Wolfgang Dür 2025-06-10T18:01:10Z 置信度 0.78 quant-ph
• Geometric global quantum discord of two-qubit X states
  Xu [Jianwei Xu, J. Phys. A: Math. Theor. 45 405304 (2012)] generalized geometric quantum discord [B.Dakic, V. Vedral, and C . Brukner, Phys. Rev. Lett. 105 190502 (2010)] to multipartite states and proposed the geometric global quantum discord. In this paper, …
  arxiv Wen-Chao Qiang, Hua-Ping Zhanga, Lei Zhang 2014-06-08T09:37:24Z 置信度 0.78 quant-ph
• A view on the problems of Quantum Gravity
  The existing approaches to quantization of gravity aim at giving quantum description of 3-geometry following to the ideas of the Wheeler -- DeWitt geometrodynamics. In this description the role of gauge gravitational degrees of freedom is missed. A probable al…
  arxiv T. P. Shestakova 2011-11-09T12:35:37Z 置信度 0.78 gr-qc
• Loop Quantum Gravity Phenomenology: Linking Loops to Observational Physics
  Research during the last decade demonstrates that effects originating on the Planck scale are currently being tested in multiple observational contexts. In this review we discuss quantum gravity phenomenological models and their possible links to loop quantum …
  arxiv Florian Girelli, Franz Hinterleitner, Seth A. Major 2012-10-04T15:26:17Z 置信度 0.78 gr-qc
• Accelerated variational algorithms for digital quantum simulation of many-body ground states
  One of the key applications for the emerging quantum simulators is to emulate the ground state of many-body systems, as it is of great interest in various fields from condensed matter physics to material science. Traditionally, in an analog sense, adiabatic ev…
  arxiv Chufan Lyu, Victor Montenegro, Abolfazl Bayat 2020-06-16T18:01:35Z 置信度 0.78 quant-ph
• Frontiers of open quantum system dynamics
  We briefly examine recent developments in the field of open quantum system theory, devoted to the introduction of a satisfactory notion of memory for a quantum dynamics. In particular, we will consider a possible formalization of the notion of non-Markovian dy…
  arxiv Bassano Vacchini 2019-07-17T13:44:19Z 置信度 0.78 quant-phmath-ph
• Topics in Quantum Measurement and Quantum Noise
  In this thesis we consider primarily the dynamics of quantum systems subjected to continuous observation. In the Schrödinger picture the evolution of a continuously monitored quantum system, referred to as a `quantum trajectory', may be described by a stochast…
  arxiv K. Jacobs 1998-10-05T23:50:04Z 置信度 0.78 quant-ph
• Quantum Link Prediction in Complex Networks
  Predicting new links in physical, biological, social, or technological networks has a significant scientific and societal impact. Path-based link prediction methods utilize explicit counting of even and odd-length paths between nodes to quantify a score functi…
  arxiv João P. Moutinho, André Melo, Bruno Coutinho, István A. Kovács 等 2021-12-09T08:58:31Z 置信度 0.78 quant-phcond-mat.dis-nncs.SIphysics.bio-ph
• Alexander S. Holevo's Researches in Quantum Information Theory in 20th Century
  This paper reviews Holevo's contributions to quantum information theory during the 20 century. At that time, he mainly studied three topics, classical-quantum channel coding, quantum estimation with Cramero-Rao approach, and quantum estimation with the group c…
  arxiv Masahito Hayashi 2024-04-25T12:06:49Z 置信度 0.78 quant-ph
• Searching with Quantum Computers
  This article introduces quantum computation by analogy with probabilistic computation. A basic description of the quantum search algorithm is given by representing the algorithm as a C program in a novel way.
  arxiv Lov K. Grover 2000-11-30T01:29:02Z 置信度 0.78 quant-ph
• Three little paradoxes: making sense of semiclassical gravity
  I review the arguments most often raised against a fundamental coupling of classical spacetime to quantum matter. I show that an experiment by Page and Geilker does not exclude such a semiclassical theory but mandates an inclusion of an objective mechanism for…
  arxiv André Großardt 2022-01-25T16:54:49Z 置信度 0.78 gr-qcquant-ph
• Quantum Advantage with Timestamp Membosonsampling
  Quantum computer, harnessing quantum superposition to boost a parallel computational power, promises to outperform its classical counterparts and offer an exponentially increased scaling. The term "quantum advantage" was proposed to mark the key point when peo…
  arxiv Jun Gao, Xiao-Wei Wang, Wen-Hao Zhou, Zhi-Qiang Jiao 等 2020-12-07T19:00:03Z 置信度 0.78 quant-phphysics.optics
• Introduction to quantum non-reciprocal interactions: from non-Hermitian Hamiltonians to quantum master equations and quantum feedforward schemes
  These lecture notes from the 2019 Les Houches Summer School on Quantum Information Machines provides a pedagogical introduction to the theory of non-reciprocal quantum interactions and devices. The goal is connect various approaches and concepts, including Ham…
  arxiv Aashish A. Clerk 2022-01-03T22:28:21Z 置信度 0.78 quant-phcond-mat.mes-hall
• The Favored Classical Variables to Promote to Quantum Operators
  Classical phase-space variables are normally chosen to promote to quantum operators in order to quantize a given classical system. While classical variables can exploit coordinate transformations to address the same problem, only one set of quantum operators t…
  arxiv John R. Klauder 2020-06-23T19:25:53Z 置信度 0.78 hep-thgr-qcmath-phquant-ph
• Efficient Quantum Algorithms for Nonlinear Stochastic Dynamical Systems
  In this paper, we propose efficient quantum algorithms for solving nonlinear stochastic differential equations (SDE) via the associated Fokker-Planck equation (FPE). We discretize the FPE in space and time using two well-known numerical schemes, namely Chang-C…
  arxiv Abeynaya Gnanasekaran, Amit Surana, Tuhin Sahai 2023-03-04T17:40:23Z 置信度 0.78 math.DScs.DSmath.NAquant-ph
• Pulse based Variational Quantum Optimal Control for hybrid quantum computing
  This work studies pulse based variational quantum algorithms (VQAs), which are designed to determine the ground state of a quantum mechanical system by combining classical and quantum hardware. In contrast to more standard gate based methods, pulse based metho…
  arxiv Robert de Keijzer, Oliver Tse, Servaas Kokkelmans 2022-02-17T21:43:54Z 置信度 0.78 quant-ph
• A lower bound on expected communication cost of quantum state redistribution
  We show a lower bound on expected communication cost of interactive entanglement assisted quantum state redistribution protocols and a slightly better lower bound for its special case, quantum state transfer. Our bound implies that the expected communication c…
  arxiv Anurag Anshu 2015-06-21T15:48:47Z 置信度 0.78 quant-ph
• Quantum Deep Hedging
  Quantum machine learning has the potential for a transformative impact across industry sectors and in particular in finance. In our work we look at the problem of hedging where deep reinforcement learning offers a powerful framework for real markets. We develo…
  arxiv El Amine Cherrat, Snehal Raj, Iordanis Kerenidis, Abhishek Shekhar 等 2023-03-29T10:42:50Z 置信度 0.78 quant-phcs.LGq-fin.CP
• Storing Images in Entangled Quantum Systems
  We introduce a new method of storing visual information in Quantum Mechanical systems which has certain advantages over more restricted classical memory devices. To do this we employ uniquely Quantum Mechanical properties such as Entanglement in order to store…
  arxiv S. E. Venegas-Andraca, J. L. Ball 2004-02-12T14:29:03Z 置信度 0.78 quant-ph
• Quantum Zeno dynamics and quantum Zeno subspaces
  A quantum Zeno dynamics can be obtained by means of frequent measurements, frequent unitary kicks or a strong continuous coupling and yields a partition of the total Hilbert space into quantum Zeno subspaces, among which any transition is hindered. We focus on…
  arxiv Paolo Facchi, Giuseppe Marmo, Saverio Pascazio 2007-11-27T15:22:20Z 置信度 0.78 quant-ph
• Generalizations of Quantum Mechanics
  We review realistic models that reproduce quantum theory in some limit and yield potentially new physics outside that limit. In particular, we consider deterministic hidden-variables theories (such as the pilot-wave model) and their extension to 'quantum noneq…
  arxiv Philip Pearle, Antony Valentini 2005-06-14T23:36:10Z 置信度 0.78 quant-phgr-qchep-th
• A Measurement-Based Form of the Out-of-Place Quantum Carry-Lookahead Adder
  We present the design of a quantum carry-lookahead adder using measurement-based quantum computation. The quantum carry-lookahead adder (QCLA) is faster than a quantum ripple-carry adder; QCLA has logarithmic depth while ripple adders have linear depth. Our de…
  arxiv Agung Trisetyarso, Rodney Van Meter, Kohei M. Itoh 2009-01-25T14:19:23Z 置信度 0.78 quant-ph
• Quantum probabilities and violation of CHSH-inequality from classical random signals and threshold type properly calibrated detectors
  We present a purely wave model (based on classical random field) which reproduces quantum probabilities (given by the fundamental law of quantum mechanics, Born's rule) including probabilities for joint detection of a pair of quantum observables (e.g., spin or…
  arxiv Andrei Khrennikov 2011-11-08T13:50:24Z 置信度 0.78 quant-phmath-phmath.FAmath.PR
• Quantum Field Induced Orderings in Fully Frustrated Ising Spin Systems
  We study ordering mechanisms which are induced by the quantum fluctuation in fully frustrated Ising spin systems. Since there are many degenerated states in frustrated systems, "order by thermal disorder" often takes place due to a kind of entropy effect. To c…
  arxiv Shu Tanaka, Masaki Hirano, Seiji Miyashita 2010-03-30T13:22:46Z 置信度 0.78 cond-mat.stat-mechcond-mat.dis-nnquant-ph
• Quantum simulation using noisy unitary circuits and measurements
  Many-body quantum systems are notoriously hard to study theoretically due to the exponential growth of their Hilbert space. It is also challenging to probe the quantum correlations in many-body states in experiments due to their sensitivity to external noise. …
  arxiv Oliver Lunt, Jonas Richter, Arijeet Pal 2021-12-13T14:00:06Z 置信度 0.78 quant-phcond-mat.stat-mechcond-mat.str-el
• Natural Numbers and Quantum States in Fock Space
  We investigate the expression of natural numbers in any base from a quantum point of view. In particular, resorting to the one-to-one correspondence between natural numbers and Fock states, we construct a set of multiboson operators and a set of translation op…
  arxiv Francesco A. Raffa, Mario Rasetti 2008-06-19T07:44:27Z 置信度 0.78 quant-ph
• Quantum Potential Approach to Class of Cosmological Models
  In this paper we discuss the quantum potential approach of Bohm in the context of quantum cosmological model. This approach makes it possible to convert the wavefunction of the universe to a set of equations describing the time evolution of the universe. Follo…
  arxiv Arkadiusz Blaut, Jerzy Kowalski-Glikman 1995-09-22T13:12:04Z 置信度 0.78 gr-qc
• Efficient and reversible optical-to-spin conversion for solid-state quantum memories
  Long-duration and efficient quantum memories for photons are key components of quantum repeater and network applications. To achieve long duration storage in atomic systems, a short-lived optical coherence can be mapped into a long-lived spin coherence, which …
  arxiv Jingjing Chen, Mikael Afzelius 2024-10-18T15:47:34Z 置信度 0.78 quant-phphysics.atom-ph
• The Relational Interpretation of Quantum Physics
  The relational interpretation (or RQM, for Relational Quantum Mechanics) solves the measurement problem by considering an ontology of sparse relative events, or "facts". Facts are realized in interactions between any two physical systems and are relative to th…
  arxiv Carlo Rovelli 2021-09-19T17:22:25Z 置信度 0.78 quant-phphysics.hist-ph
• Quantum Merkle Trees
  Committing to information is a central task in cryptography, where a party (typically called a prover) stores a piece of information (e.g., a bit string) with the promise of not changing it. This information can be accessed by another party (typically called t…
  arxiv Lijie Chen, Ramis Movassagh 2021-12-28T22:27:13Z 置信度 0.78 quant-phcs.CR
• Quantum parallel dense coding of optical images
  We propose quantum dense coding protocol for optical images. This protocol extends the earlier proposed dense coding scheme for continuous variables [S.L.Braunstein and H.J.Kimble, Phys.Rev.A 61, 042302 (2000)] to an essentially multimode in space and time opt…
  arxiv T. Yu. Golubeva, Yu. M. Golubev, I. V. Sokolov, M. I. Kolobov 2005-01-13T12:11:50Z 置信度 0.78 quant-ph
• Efficient Graph State Generation in Linear Optics
  Graph states are central resources for quantum information processing, supporting applications in computation, communication, and error correction. In photonic systems, they are typically assembled from smaller entangled states using probabilistic fusion gates…
  arxiv Seungbeom Chin, William John Munro 2023-06-27T02:14:17Z 置信度 0.78 quant-ph
• Quantum Entanglement in Time
  In this paper we present a concept of quantum entanglement in time in a context of entangled consistent histories. These considerations are supported by presentation of necessary tools closely related to those acting on a space of spatial multipartite quantum …
  arxiv Marcin Nowakowski 2017-01-27T17:02:39Z 置信度 0.78 quant-ph
• Computing eigenvalues of diagonalizable matrices in a quantum computer
  Solving linear systems and computing eigenvalues are two fundamental problems in linear algebra. For solving linear systems, many efficient quantum algorithms have been discovered. For computing eigenvalues, currently, we have efficient quantum algorithms for …
  arxiv Changpeng Shao 2019-12-17T13:46:56Z 置信度 0.78 quant-phmath.NA
• Identical Particles in Quantum Mechanics: Against the Received View
  According to the Received View identical quantum particles are a previously unknown kind of objects that do not possess individuality. In this Chapter we discuss this view, criticize it, and propose an alternative. According to this alternative view so-called …
  arxiv Dennis Dieks 2021-02-04T21:28:44Z 置信度 0.78 quant-phphysics.hist-ph