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quantum entanglement

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代表性文献（按质量分排序，前 60 条）

• Quantum reservoir computing for photonic entanglement witnessing.
  2025 · 量子计算 · Accurately estimating properties of quantum states, such as entanglement, while essential for the development of quantum technologies, remains a challenging task. Standard approaches to property estimation rely on detail…
• Finite-time matrix projective synchronization of fractional-order memristor-based delayed neural networks with parameter uncertainty
  2026 · 类脑计算 · This research examines the phenomenon of finite-time matrix projective synchronization (FTMPS) in the context of two distinct fractional-order memristor-based delayed neural networks (FOMDNNs). For the FOMDNNs with indet…
• Upgrade and characterization of the fast-channels of Imaging Neutral Particle Analyzers in the DIII-D tokamak
  2026 · 核能 · Abstract This publication presents the characterization of the recently upgraded fast (MHz) channels of the DIII-D Imaging Neutral Particle Analyzers. The new system allows for a phase space resolution of < 10 keV and…
• QuantBlockchain/QSignAI: QSignAI v1.0.0 — Quantum-Randomness Identity Signatures for Real-Time AI Event Participation
  2026 · 量子计算 · ⚛️ QSignAI v1.0.0 — First Stable Release QSignAI is a production-deployed, open-source platform demonstrating a bidirectional relationship between AI and quantum science: Science for AI (quantum randomness strengthens id…
• QuantBlockchain/QSignAI: QSignAI v1.0.0 — Quantum-Randomness Identity Signatures for Real-Time AI Event Participation
  2026 · 量子计算 · ⚛️ QSignAI v1.0.0 — First Stable Release QSignAI is a production-deployed, open-source platform demonstrating a bidirectional relationship between AI and quantum science: Science for AI (quantum randomness strengthens id…
• Weighted approximate quantum natural gradient for variational quantum eigensolver
  2026 · 量子材料 · Abstract The variational quantum eigensolver (VQE) is one of the most prominent algorithms using near-term quantum devices, designed to find the ground state of a Hamiltonian. In VQE, a classical optimizer iteratively up…
• Quantum Imaging with Metasurfaces: Gains, Limitations, and Prospects
  2026 · 量子材料 · Quantum imaging leverages entanglement and photon correlations to surpass classical limits in resolution and noise performance. However, its practical deployment is constrained by bulky optical setups and limited system …
• High-fidelity collisional quantum gates with fermionic atoms
  2026 · 量子材料 · Abstract Quantum simulations of electronic structure and strongly correlated quantum phases are among the most promising applications of quantum computing. These computations benefit from native fermionic encodings 1,2 ,…
• Quantum Fisher information in a strange metal
  2026 · 量子材料 · Abstract A strange metal is an exotic state of correlated quantum matter, and intensive efforts are ongoing to understand its nature. Here we show that the quantum Fisher information—a concept from quantum metrology—may …
• Multicopy quantum state teleportation with application to storage and retrieval of quantum programs
  2026 · 量子材料 · This work considers a teleportation task for Alice and Bob in a scenario where Bob cannot perform corrections. In particular, we analyse the task of multicopy state teleportation , where Alice has k identical copies of a…
• Application of Quantum Walks in Remote Implementation of Quantum Operations
  2026 · 量子材料 · In this paper, we introduce two protocol where we utilize multiple coin quantum walks for remote implementation of single-qubit partially unknown quantum operations on qubits. In both the protocols, the quantum walk evol…
• Catalytic entanglement transformations with noisy hardware
  2026 · 量子材料 · The availability of certain entangled resource states (catalyst states) can enhance the rate of converting several less entangled states into fewer highly entangled states in a process known as catalytic entanglement con…
• Imperfect detectors for adversarial tasks with applications to quantum key distribution
  2026 · 量子材料 · Security analyses in quantum key distribution (QKD) and other adversarial quantum tasks often assume perfect device models. However, real-world implementations often deviate from these models. Thus, it is important to de…
• Merging-based quantum repeater
  2026 · 量子材料 · Abstract We introduce a merging-based quantum repeater that departs from the conventional swapping paradigm by progressively growing multipartite entanglement. In contrast to swapping-based schemes, where a single failed…
• Lie algebraic invariants in quantum linear optics
  2026 · 量子材料 · Quantum linear optics without post-selection is not powerful enough to produce any quantum state from a given input state. This limits its utility since some applications require entangled resources that are difficult to…
• Machine-learning emergent spacetime from linear response in future tabletop quantum gravity experiments
  2025 · 边缘智能 · Abstract We introduce a novel interpretable neural network (NN) model designed to perform precision bulk reconstruction under the AdS/CFT correspondence. According to the correspondence, a specific condensed matter syste…
• Beyond-classical computation in quantum simulation
  2025 · 量子计算 · Quantum computers hold the promise of solving certain problems that lie beyond the reach of conventional computers. However, establishing this capability, especially for impactful and meaningful problems, remains a centr…
• Frequency-bin entanglement-based Quantum Key Distribution
  2025 · 量子计算 · Entanglement is an essential ingredient in many quantum communication protocols. In particular, entanglement can be exploited in quantum key distribution (QKD) to generate two correlated random bit strings whose randomne…
• Entanglement asymmetry dynamics in random quantum circuits
  2025 · 量子计算 · We study the dynamics of entanglement asymmetry in random unitary circuits (RUCs). Focusing on a local U ( 1 ) charge, we consider symmetric initial states evolved by both local one-dimensional circuits and geometrically…
• Entanglement and Stabilizer entropies of random bipartite pure quantum states
  2025 · 量子计算 · The interplay between non-stabilizerness and entanglement in random states is a very rich arena of study for the understanding of quantum advantage and complexity. In this work, we tackle the problem of such interplay in…
• Nonlinearity symmetry breaking for generating tunable quantum entanglement in semiconductor metasurfaces
  2025 · 量子计算 · Tunable biphoton quantum entanglement generated from nonlinear flat optics is highly desirable for cutting-edge quantum technologies, yet its tunability is substantially constrained by the symmetry of material nonlinear …
• Quantum information meets high-energy physics: input to the update of the European strategy for particle physics
  2025 · 量子计算 · Some of the most astonishing and prominent properties of Quantum Mechanics, such as entanglement and Bell nonlocality, have only been studied extensively in dedicated low-energy laboratory setups. The feasibility of thes…
• Evolution of entanglement entropy at SU( N ) deconfined quantum critical points
  2025 · 量子计算 · Over past two decades, the enigma of the deconfined quantum critical point (DQCP) has attracted broad attention across physics communities, as it offers a new paradigm beyond the Landau-Ginzburg-Wilson framework. However…
• Generation of reconfigurable hypercubic graph states in 1-4 dimensions in a simple optical system
  2025 · 量子计算 · Entangled graph states can be used for quantum sensing and computing applications. In some measurement-based quantum computing schemes, error correction will require the construction of cluster states in at least 3 dimen…
• De Sitter quantum gravity within the covariant Lorentzian approach to asymptotic safety
  2025 · 量子材料 · Abstract Recent technical and conceptual advancements in the asymptotic safety approach to quantum gravity have enabled studies of the UV completion of Lorentzian Einstein gravity, emphasizing the role of the state depen…
• Reversing quantum resource hierarchy: non-maximal multipartite entanglement in dilaton spacetime
  2025 · 量子材料 · Abstract It is commonly assumed that a maximally multipartite entangled state carries greater quantum resources than a non-maximally multipartite entangled state in the relativistic framework. In this work, we analyze ge…
• Decoherence of Entanglement and Quantum Memory Dynamics of Two Strongly Coupled Semiconductor Quantum Dots
  2025 · 量子材料 · Abstract This study investigates the dynamics of two‐qubit quantum‐memory‐assisted (QMA) entropic uncertainty relation and entanglement in a system comprising two strongly coupled semiconductor pair quantum dots (SPQD). …
• Conditional disclosure of secrets with quantum resources
  2025 · 量子材料 · The conditional disclosure of secrets (CDS) primitive is among the simplest cryptographic settings in which to study the relationship between communication, randomness, and security. CDS involves two parties, Alice and B…
• Quantum State Designs with Clifford-Enhanced Matrix Product States
  2025 · 量子材料 · Nonstabilizerness, or “magic,” is a critical quantum resource that, together with entanglement, characterizes the nonclassical complexity of quantum states. Here, we address the problem of quantifying the average nonstab…
• An Improved Quantum Anonymous Notification Protocol for Quantum-Augmented Networks
  2025 · 量子材料 · Abstract 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 c…
• Quantum information metrics of a multi-level atom interacting with an SU(1;1) quantum amplifier system
  2025 · 量子材料 · Abstract This study investigates the quantum information dynamics of a multi-level atomic system interacting with an SU(1;1) quantum system, focusing on atomic inversion, entropy, coherence, and skew information. The sys…
• Extractable energy from quantum superposition of current states
  2025 · 量子材料 · Abstract We explore the energy content of superpositions of single-excitation current states. Specifically, we focus on the maximum energy that can be extracted from them through local unitary transformations. The figure…
• Monitored long-range interacting systems: spin-wave theory for quantum trajectories
  2025 · 量子材料 · Measurement-induced phases exhibit unconventional dynamics as emergent collective phenomena, yet their behavior in tailored interacting systems - crucial for quantum technologies - remains less understood. We develop a s…
• Hybrid entanglement and bit-flip error correction in a scalable quantum network node
  2025 · 量子材料 · Recent efforts have succeeded in producing quantum networks in which quantum information can be stored, transferred and processed across multiple nodes on a metropolitan scale. A key remaining challenge is to enhance the…
• Multiuser all-optical quantum network based on metasurfaces
  2025 · 量子材料 · A crucial aspect of quantum information is the establishment of multiuser quantum networks, ensuring secure transmission of information among separated users. However, establishing a large-scale network remains a substan…
• A large-scale reconfigurable multiplexed quantum photonic network
  2025 · 量子材料 · The distribution of entanglement in quantum networks will enable the next generation of technologies in quantum-secured communications, distributed quantum computing and sensing. Future quantum networks will require dens…
• High-rate quantum networks with energy-time entanglement
  2025 · 量子材料 · Quantum entanglement networks have garnered significant attention due to the inherent security provided by quantum physics. The networks aim to connect a multitude of users with a high secure key rate (SKR). Fully connec…
• Alternative pipeline for option pricing using quantum computers
  2025 · 量子材料 · Abstract In this work we present an alternative methodology to the standard Quantum Accelerated Monte Carlo (QAMC) applied to derivatives pricing. Our pipeline benefits from the combination of a new encoding protocol, re…
• Local Purity Distillation in Quantum Systems: Exploring the Complementarity Between Purity and Entanglement
  2025 · 量子材料 · Quantum thermodynamics and quantum entanglement represent two pivotal quantum resource theories with significant relevance in quantum information science. Despite their importance, the intricate relationship between thes…
• Space-division multiplexed phase compensation for quantum communication: concept and field demonstration
  2025 · 量子材料 · Phase-sensitive quantum communication has received considerable attention to overcome the distance limitation of quantum communication. A fundamental problem in phase-sensitive quantum communication is to compensate phas…
• Quantum imaging of biological organisms through spatial and polarization entanglement
  2024 · 生物计算 · Quantum imaging holds potential benefits over classical imaging but has faced challenges such as poor signal-to-noise ratios, low resolvable pixel counts, difficulty in imaging biological organisms, and inability to quan…
• Brain Pioneers and Moral Entanglement: An Argument for Post‐trial Responsibilities in Neural‐Device Trials
  2024 · 仿生智能 · We argue that in implanted neurotechnology research, participants and researchers experience what Henry Richardson has called "moral entanglement." Participants partially entrust researchers with access to their brains a…
• Retrieving past quantum features with deep hybrid classical-quantum reservoir computing
  2024 · 量子计算 · Abstract Machine learning techniques have achieved impressive results in recent years and the possibility of harnessing the power of quantum physics opens new promising avenues to speed up classical learning methods. Rat…
• Entanglement of nanophotonic quantum memory nodes in a telecom network
  2024 · 量子计算 · Abstract A key challenge in realizing practical quantum networks for long-distance quantum communication involves robust entanglement between quantum memory nodes connected by fibre optical infrastructure1–3. Here we dem…
• Quantum computing and chemistry
  2024 · 量子计算 · As the year-to-year gains in speeds of classical computers continue to taper off, computational chemists are increasingly examining quantum computing as a possible route to achieve greater computational performance. Quan…
• Entanglement – nonstabilizerness separation in hybrid quantum circuits
  2024 · 量子计算 · Nonstabilizerness describes the distance of a quantum state to its closest stabilizer state. It is—like entanglement—a necessary resource for a quantum advantage over classical computing. We study nonstabilizerness, quan…
• Exponential concentration in quantum kernel methods
  2024 · 量子计算 · Kernel methods in Quantum Machine Learning (QML) have recently gained significant attention as a potential candidate for achieving a quantum advantage in data analysis. Among other attractive properties, when training a …
• Diagnostics of Mixed-State Topological Order and Breakdown of Quantum Memory
  2024 · 量子计算 · Topological quantum memory can protect information against local errors up to finite error thresholds. Such thresholds are usually determined based on the success of decoding algorithms rather than the intrinsic properti…
• Testing the Quantumness of Gravity without Entanglement
  2024 · 量子计算 · Given a unitary evolution U on a multipartite quantum system and an ensemble of initial states, how well can U be simulated by local operations and classical communication (LOCC) on that ensemble? We answer this question…
• Semidefinite programming relaxations for quantum correlations
  2024 · 量子计算 · Sometimes a mathematical tool emerges as uniquely useful and even a defining feature within some branch of physics such as Feynman diagrams. In quantum information theory, the semidefinite program (SDP) has emerged as su…
• Quantum imaging of biological organisms through spatial and polarization entanglement
  2024 · 量子计算 · Quantum imaging holds potential benefits over classical imaging but has faced challenges such as poor signal-to-noise ratios, low resolvable pixel counts, difficulty in imaging biological organisms, and inability to quan…
• Virtual quantum resource distillation: General framework and applications
  2024 · 量子计算 · We develop the general framework of virtual resource distillation, an alternative distillation strategy proposed in Phys. Rev. Lett. 132, 050203 (2024), which extends conventional quantum resource distillation by integra…
• Quantum entanglement assisted via Duffing nonlinearity
  2024 · 量子计算 · We propose a scheme to enhance quantum entanglement in an optomechanical system by exploiting the so-called Duffing nonlinearity. Our model system consists of two mechanically coupled mechanical resonators, both driven b…
• Loss-tolerant architecture for quantum computing with quantum emitters
  2024 · 量子计算 · We develop an architecture for measurement-based quantum computing using photonic quantum emitters. The architecture exploits spin-photon entanglement as resource states and standard Bell measurements of photons for fusi…
• Observation of quantum entanglement in top quark pair production in proton–proton collisions at s=13 TeV
  2024 · 量子计算 · Abstract Entanglement is an intrinsic property of quantum mechanics and is predicted to be exhibited in the particles produced at the Large Hadron Collider. A measurement of the extent of entanglement in top quark-antiqu…
• Benchmarking highly entangled states on a 60-atom analogue quantum simulator
  2024 · 量子计算 · Abstract Quantum systems have entered a competitive regime in which classical computers must make approximations to represent highly entangled quantum states1,2. However, in this beyond-classically-exact regime, fidelity…
• Quantum entanglement and Bell inequality violation in semi-leptonic top decays
  2024 · 量子计算 · A bstract Quantum entanglement is a fundamental property of quantum mechanics. Recently, studies have explored entanglement in the $$ t\overline{t} $$ t t ¯ system at the Large Hadron Collider (LHC) when both the top qua…
• Inverse design of high-dimensional quantum optical circuits in a complex medium
  2024 · 量子计算 · Abstract Programmable optical circuits are an important tool in developing quantum technologies such as transceivers for quantum communication and integrated photonic chips for quantum information processing. Maintaining…
• Entanglement entropy in quantum black holes
  2024 · 量子计算 · Abstract We discuss the entanglement entropy for a massive scalar field in two Schwarzschild-like quantum black hole spacetimes, also including a nonminimal coupling term with the background scalar curvature. To compute …
• Satellite-based entanglement distribution and quantum teleportation with continuous variables
  2024 · 量子计算 · Abstract Advances in satellite quantum communications aim at reshaping the global telecommunication network by increasing the security of the transferred information. Here, we study the effects of atmospheric turbulence …

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