PreprintNot peer reviewedQuantum ComputingPreprint reports optical control of over 1,200 trapped ions in a 3D crystalOriginal title: Coherent optical control of a thousand qubits in a three-dimensional trapped-ion crystalA preprint describes cooling and coherently manipulating a three-dimensional crystal of over 1,200 trapped ions as optical qubits.Yue Li et al. · Added 19 Oct 2026
PreprintNot peer reviewedQuantum ComputingPreprint proposes cavity-linked gate for entangling any pair of neutral atomsOriginal title: Programmable all-to-all entangling gates for cavity-coupled atomsA preprint describes a simulated entangling gate for cavity-coupled atoms that avoids physically moving them to connect distant qubits.Angus Crookes et al. · Added 19 Oct 2026
Journal articleReview status unknownQuantum ComputingStudy links non-Hermitian quantum advantage to costly postselection powerOriginal title: Computational Complexity and Simulability of Non-Hermitian Quantum DynamicsThe authors argue that scalable advantages from non-Hermitian quantum dynamics would require computational power considered implausible, implying hidden costs.Brian Barch et al. · Added 19 Oct 2026 · Released Apr 2026
PreprintNot peer reviewedQuantum ComputingPreprint proposes two tomography-free ways to estimate quantum state fidelityOriginal title: Practical Fidelity Estimation for Noisy Quantum Devices Using Direct and Survival-Probability-Based ProtocolsA preprint reports two software-based protocols that estimate quantum state fidelity without full tomography, using Pauli sampling or survival probabilities.Ahmed Aman et al. · Added 19 Oct 2026
PreprintNot peer reviewedFrom QuantScapeQuantum ComputingPreprint reports compact qubit encoding scales variational TSP solver to ten sitesOriginal title: Solving the traveling salesman problem on $\lceil \log_2 (N-1)! \rceil$ qubits with a variational quantum Kolmogorov–Arnold network: exact-gradient CVaR training and generalization over time-dependent graphsA preprint reports a variational quantum method that reaches optimal travelling salesman tours on up to ten sites using far fewer qubits than standard encodings.Added 19 Oct 2026
Journal articleReview status unknownQuantum ComputingTheory proposes molecular quantum gate resistant to dipole interaction uncertaintyOriginal title: High-fidelity molecular quantum logic gates resilient to interaction fluctuationA theoretical study outlines a two-molecule phase gate that the authors say stays accurate despite fluctuating dipole-dipole interactions.Yan Lu et al. · Added 19 Oct 2026 · Released May 2026
Journal article✓ Peer reviewedQuantum ComputingStudy sorts three distinct causes of drive-induced errors in superconducting qubitsOriginal title: Characterization of drive-induced unwanted state transitions in superconducting circuitsResearchers classify three physical mechanisms behind unwanted state transitions in a driven transmon qubit and suggest ways to avoid each.W. Dai et al. · Added 19 Oct 2026 · Released Dec 2025
PreprintNot peer reviewedFrom Eigen AIArtificial IntelligenceA preprint reports a multi-agent system that lifts scientific reasoning scores on a hard exam benchmarkOriginal title: Eigen-Agent: Adaptive Multi-Agent Scientific Reasoning with Monitor-Based RAGResearchers describe Eigen-Agent, combining implicit retrieval and structured multi-agent refinement to boost scores on expert-level science questions.Added 19 Oct 2026
Journal article✓ Peer reviewedQuantum ComputingNew surface code method cuts overhead for producing high-fidelity magic statesOriginal title: Fold-transversal surface code cultivationResearchers report a cultivation scheme using a fold-transversal gate that lowers spacetime overhead for making magic states on the surface code.Kaavya Sahay et al. · Added 19 Oct 2026 · Released Mar 2026
PreprintNot peer reviewedFrom QuoblyQuantum ComputingResearchers model energy costs of a fault-tolerant spin-qubit quantum computerOriginal title: Energetics of Fault-Tolerant Spin-Qubit Quantum ComputationA preprint estimates the power and energy demands of a semiconductor spin-qubit quantum computer running the Quantum Fourier Transform with error correction.Added 19 Oct 2026
PreprintNot peer reviewedArtificial IntelligenceSurvey maps how reinforcement learning is reshaping diffusion modelsOriginal title: Reinforcement Learning-driven Diffusion Models: Language, Vision, and BeyondA preprint surveys how reinforcement learning post-training is being used to improve diffusion models across language, vision, robotics and science.Zhiyuan Ma et al. · Added 19 Oct 2026
PreprintNot peer reviewedQuantum ComputingAI agent system turns physics descriptions into quantum simulation circuitsOriginal title: Jianmu-Q: Bridging Quantum Field Theory and Quantum Hardware with AI AgentsA preprint describes Jianmu-Q, a multi-agent AI framework that converts quantum field theory problems into validated quantum circuits.Xiaolin Wang et al. · Added 19 Oct 2026
PreprintNot peer reviewedArtificial IntelligenceA preprint reports gradient-based pruning for LLMs without retrainingOriginal title: Beyond Size: How Gradients Shape Pruning Decisions in Large Language ModelsResearchers propose GBLM-Pruner, a training-free method using gradients to decide which LLM weights to remove.Rocktim Jyoti Das et al. · Added 19 Oct 2026
PreprintNot peer reviewedFrom WorkatoArtificial IntelligenceA preprint proposes token-level credit fix for reasoning RL trainingOriginal title: Right Answer, Wrong Tokens: Tail-Aware Credit Calibration for RLVRA preprint reports a method that softens reward credit for rare, risky tokens within otherwise correct RL training trajectories.Added 19 Oct 2026
Journal article✓ Peer reviewedQuantum ComputingQuantum algorithm proposed for simulating strongly coupled open quantum systemsOriginal title: Ancilla-train quantum algorithm for simulating non-Markovian open quantum systemsResearchers describe a quantum algorithm that uses trains of ancilla qubits to simulate open quantum systems coupled to Gaussian environments, even strongly.Hans Michael Christensen et al. · Added 19 Oct 2026 · Released Nov 2025
PreprintNot peer reviewedArtificial IntelligenceNew benchmark finds agentic LLMs remain widely exploitable via indirect prompt injectionOriginal title: INFUSE: A Unified Surface Benchmark for Indirect Prompt Injection in Agentic SystemsA preprint introduces INFUSE, a 40-task benchmark showing many agentic LLMs can be hijacked by instructions hidden in files, logs and other surfaces.Thuy Dung Nguyen et al. · Added 19 Oct 2026
PreprintNot peer reviewedArtificial IntelligenceStudy finds LLM stereotyping varies by prompt language, not just cultureOriginal title: MBBQ: A Dataset for Cross-Lingual Comparison of Stereotypes in Generative LLMsA preprint reports that several LLMs show more biased question-answering behaviour in some languages than in English, even after accounting for cultural differences.Vera Neplenbroek et al. · Added 19 Oct 2026
Conference paperReview status unknownFrom AXAArtificial IntelligenceResearchers compare energy use of diffusion and autoregressive language modelsOriginal title: Energy Consumption Analysis of Discrete Diffusion and Autoregressive Language ModelsA conference paper finds diffusion language models use less energy per token than autoregressive ones on long outputs, but more on short ones.Added 19 Oct 2026 · Released Apr 2026
PreprintNot peer reviewedArtificial IntelligenceA preprint reports sparse autoencoders that bind concepts to dedicated feature slotsOriginal title: AlignSAE: Concept-Aligned Sparse AutoencodersResearchers describe AlignSAE, a method that supervises sparse autoencoder features to align with chosen concepts, improving causal control in GPT-2 tests.Minglai Yang et al. · Added 19 Oct 2026
Conference paperReview status unknownArtificial IntelligenceSoftware tool locates bit-flip faults in large language models and aids recoveryOriginal title: BitFlipScope: Scalable Fault Localization and Recovery for Bit-Flip Corruptions in LLMsA conference paper presents BitFlipScope, a software method to find and partly fix bit-flip corruption in transformer models.Muhammad Zeeshan Karamat et al. · Added 18 Oct 2026 · Released Apr 2026