Enhancing Entanglement Purification with Shared RandomnessEntanglement purification protocols (EPPs) are essential for improving entanglement fidelity to support fault-tolerant distributed quantum information processing. Practical entanglement sources are…Allen Zang, Bikun Li, Xinan Chen et al.·Jul 23, 2026SaveLearn
Strategic Plan for Neutral Atom Quantum ComputationWe present a strategic plan for neutral atom quantum computation, bringing together hardware development and theory advancements to achieve the goal of practical quantum advantage. The concept of…Adrian J. Menssen, Tout Wang, Michael Gullans et al.·Jul 23, 2026SaveLearn
Unconditional Unclonable EncryptionWe give an unconditional construction of information-theoretically secure one-time private-key unclonable encryption scheme for one-bit messages, with efficient encryption and decryption and…Prabhanjan Ananth, Amit Sahai·Jul 23, 2026SaveLearn
The trainability of photonic quantum circuitsVariational quantum algorithms are a leading approach to near-term quantum computing, but their scalability can be limited by barren plateaus and the sampling cost of resolving small changes in the…Alexander Makarovskiy, Adam Taylor, Zhenghao Li et al.·Jul 23, 2026SaveLearn
Beyond Calabrese-Cardy Scaling: Exceptional-Point Sensitivity from the de Sitter RT SurfaceEntanglement entropy at one-dimensional criticality typically follows the Calabrese-Cardy scaling. In non-Hermitian critical chains near exceptional points, however, we show that the biorthogonal…Kuang-Hung Chou·Jul 23, 2026SaveLearn
Benchmarking Agents for Proving Theorems in Quantum Algorithms and Quantum InformationFormal verification is becoming increasingly practical for quantum computing, yet the ability of AI agents to construct machine-checkable proofs in this domain remains unmeasured. We introduce…Lei Zhang, Yusheng Zhao, Yimeng Cao et al.·Jul 23, 2026SaveLearn
Unified theory of classical and quantum semiparametric efficiencyIn classical and quantum statistics, high-dimensional unknown parameters are abundant and it is often prudent to make minimal assumptions about them using so-called semiparametric models. To attack a…Mankei Tsang·Jul 23, 2026SaveLearn
Extended Single-Atom Tweezer Arrays in High-Cooperativity Cavity-QEDA central challenge for cavity-QED-based quantum technologies is to make high-cooperativity optical interfaces compatible with site-resolved arrays of single atoms. Here, we demonstrate optical…Thomas Picot, Clément Raphin, Marcel Kern et al.·Jul 23, 2026SaveLearn
Flow of local sensitivity in a spin chain coupled to a bosonic bathWe study how local sensitivity to an encoded parameter, captured by the quantum Fisher information, flows between a spin chain, a coupled bosonic bath, and their quantum correlations, where we treat…Marcin Płodzień·Jul 23, 2026SaveLearn
An Optimal Analysis of the Product TestProduct testing, i.e., deciding whether a pure multipartite quantum state is fully unentangled across a specified tensor decomposition, serves as a bridge between quantum property testing,…Jacob Beckey, Fernando Granha Jeronimo, Pei Wu·Jul 23, 2026SaveLearn
Rack-integrated quantum dot-based source of single and entangled photons at telecom C-bandFor quantum light sources in everyday telecommunication networks, quantum science needs to be fully transformed into quantum technology. The first necessary step to move outside a well-controlled lab…Michal Vyvlecka, Raphael Joos, Benjamin Breiholz et al.·Jul 23, 2026SaveLearn
QuantumChain: Blockchain-Backed Quantum Federated Learning for Financial Fraud DetectionFinancial fraud detection is challenged by decentralized data, severe class imbalance, and privacy constraints. This paper presents QuantumChain, a secure Quantum Federated Learning (QFL) framework…Epameinondas Douros, Konstantinos Dalampekis, Nouhaila Innan et al.·Jul 23, 2026SaveLearn
Exponentially enhanced two-mode multiboson entanglement via phase-modulated tunnelingThe entanglement of quantum systems is commonly restricted by their coupling Hamiltonian and initial state properties. Here, we prove by exact analysis of tunnel-coupled bosonic field modes, that…Pritam Chattopadhyay, A. G. Kofman, Gershon Kurizki·Jul 23, 2026SaveLearn
QSTAR: Quantum Selective Transfer with Adaptive RoutingQuantum transfer learning (QTL) is often evaluated by replacing a classical classifier with a fixed variational quantum head, but this hides a key question: when is the quantum branch actually…Saim Rehman, Nouhaila Innan, Muhammad Shafique·Jul 23, 2026SaveLearn
Floquet Reservoir Engineering for Remote Logical EntanglementImplementing controlled dissipative dynamics is a powerful approach for state preparation in a variety of contexts, including the preparation of remote entangled states. Here, we show that by going…Mingxing Yao, Aashish A. Clerk·Jul 23, 2026SaveLearn
Efficient classical simulation of large-scale unitary cluster Jastrow circuitsRecent experiments on quantum computers have challenged the limits of classical computation in chemistry, simulating ground states of strongly correlated molecules. Many of these experiments have…Hrishikesh Belagali, Thomas Van Camp, R. Pradeep et al.·Jul 23, 2026SaveLearn
Quasiparticle-induced transitions in a fluxonium qubitQuasiparticles are a prominent decoherence source in superconducting qubits, but their effects are notoriously difficult to isolate in fluxonium. Unlike the transmon, fluxonium is insensitive to…Maksim Litskevich, Kesavan Manivannan, Benjamin Byrd et al.·Jul 23, 2026SaveLearn
Classifying Topology via Edge-State Pure ThermalizationRepeated-interaction machines distinguish heat-like from work-like resources through the steady states they generate, but whether topology can control this distinction remains unknown. Here we reveal…Fatih Ozaydin, Haydar Sahin, Armando Perez-Leija et al.·Jul 23, 2026SaveLearn
Device-Independent Self-Testing of the Three-Qubit CCZ Hypergraph StateThe three-qubit CCZ state is the smallest rank-three hypergraph state and an elementary entangled magic resource. Its cubic phase is governed by generalized stabilizers that are not Pauli strings, so…Yunguang Han, Xin Kuang, Xingyuan Bu et al.·Jul 23, 2026SaveLearn
Mixed-Binary Quadratic Programming via QUBO Sampling without Continuous-Variable BinarizationQuantum annealing and related combinatorial optimization methods typically accept quadratic unconstrained binary optimization (QUBO) problems as input, whereas many practical models include…Taisei Takabayashi, Masayuki Ohzeki·Jul 23, 2026SaveLearn
Space-division multiplexed quantum key distribution exploiting multi-plane light conversion for few-mode fibersAs quantum key distribution (QKD) progresses from laboratory demonstrations toward practical deployment, quantum communi- cation networks increasingly require higher key rates and the ability to…Qian Zhang, Stefan Krause, Felix Kunzmann et al.·Jul 23, 2026SaveLearn
Tailoring optical Schrödinger cat states via orientation-dependent high-harmonic generation in H2+We theoretically demonstrate that the molecular orientation angle θ provides a structurally intrinsic, continuously tunable control parameter for engineering optical Schrödinger cat states via…Ziyang Gan, Ahai Chen, Yuhai Jiang·Jul 23, 2026SaveLearn
Approximate Virtual Quantum RecoveryThe recovery of quantum information after subsystem loss is a central challenge in quantum information processing. However, some states remain beyond the reach of any recovery strategies. Here we…Yuan Liu, Linhan Lin, Ke-Mi Xu·Jul 23, 2026SaveLearn
Quantum Circuit Fragments and Link Products in Continuous VariablesQuantum circuits are often drawn as complete processes, with fixed inputs and outputs. In many quantum-information tasks, however, the natural object is only a fragment of such a circuit: an unknown…Amalina Lai, Graeme D. Berk, Minjeong Song et al.·Jul 23, 2026SaveLearn
Do emulated quantum circuits change what CNNs look at? Performance and explainability comparison in medical image classificationNumerous studies have analyzed the use of hybrid quantum-classical convolutional neural networks as a promising alternative to classical deep learning. However, network components on quantum hardware…Guillermo Rubiños Rodríguez, Martín Ottavianelli, Mateo Alonso et al.·Jul 23, 2026SaveLearn