Resolving topological order crossovers on NISQ hardwareTopological phases of matter provide a promising route toward robust quantum information processing, but on present-day noisy intermediate-scale quantum devices the experimentally relevant question…Ruizhe Shen, Yin Zhong, Ching Hua Lee·Jul 23, 2026SaveLearn
Mixed-state topological order and error-correction thresholds in non-Abelian codes: rigorous resultsWe present a versatile and mathematically rigorous technique for bounding recovery thresholds in topological codes subject to noise. Our method captures the effect of applying an arbitrary (possibly…Sun Woo P. Kim, Max McGinley·Jul 23, 2026SaveLearn
Frame-Dependent Traces and the Third-Particle ParadoxThe Paradox of the Third Particle arises when comparing subsystem descriptions across Quantum Reference Frame (QRF) perspectives. We isolate two distinct origins of the Paradox: the QRF covariance of…Alessandro Palumbo, Luca Apadula·Jul 23, 2026SaveLearn
Non-Clifford quantum cellular automata from invertible topological quantum field theoriesQuantum cellular automata (QCAs) describe locality-preserving quantum dynamics and connect quantum information, many-body physics, and topological quantum field theory (TQFT). Constructing a QCA from…Meng Sun, Zongyuan Wang, Bowen Yang et al.·Jul 23, 2026SaveLearn
Hash-QNeRF: Multiresolution Hash Encoding for Quantum Neural Radiance FieldsNeural Radiance Fields (NeRF) have revolutionized novel view synthesis, yet their classical implementations remain computationally intensive for high-fidelity rendering. QNeRF recently demonstrated…Digonto Biswas, Tana Ballove, Anjan Bandyopadhyay et al.·Jul 23, 2026SaveLearn
Tunable Mpemba Effect in a Prethermal Many-Body Spin NetworkRelaxation in an interacting system is determined not only by its initial distance from equilibrium, but also by the relaxation modes populated by the initial state. Here we experimentally observe…Chaitali Shah, Cooper M. Selco, Leo Joon Il Moon et al.·Jul 23, 2026SaveLearn
Quantum Correlations in Frustrated Three-Body SystemsMany physical systems are not understood from first principles due to the presence of multi-body quantum correlations. The effort taken to simulate such systems on classical computers increases…Chaitali Shah, Apoorva D. Patel·Jul 23, 2026SaveLearn
Identifying the Sign of Coherent Over-Rotations with Logarithmically Many Pauli SettingsCalibrating a quantum processor means estimating gate-error parameters from data, and a hard-to-estimate parameter is usually assumed to leave a weak signature more repetitions will resolve. Coherent…Yi Pan, Meng Hsiu Tsai, Weihang You et al.·Jul 23, 2026SaveLearn
Flow-based Phase-space Tomography of Continuous-variable Quantum StatesContinuous-variable quantum state tomography is limited by the cost of resolving non-Gaussian structure in high-dimensional phase space. We introduce QST-Flow, a quantum state tomography framework…Owen Dugan, Rumen Dangovski, Peter Y. Lu et al.·Jul 23, 2026SaveLearn
A geometric framework for spin relaxationSpin relaxation is conventionally described by two independent phenomenological rates - longitudinal (R1) and transverse (R2) - whose separation obscures a deeper structural unity. Here we…Sophia N. Fricke, Kieren A. Harkins, Ashok Ajoy et al.·Jul 23, 2026SaveLearn
Fault-tolerant quantum algorithms for simulating atomic nucleiTo maximize the value of fault-tolerant quantum computers, it is essential to develop concrete applications beyond well-established domains such as chemistry and condensed-matter physics. Here we…James Benstead, Michael Garn, Neil Gaspar et al.·Jul 23, 2026SaveLearn
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, Seyoon Ragavan, 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