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- Alice & Bob estimates 22,593 cat qubits could break RSA-2048
- Beyond the qubit count: how to read a quantum computing headline
- IBM, Oak Ridge and AMD open a shared testbed for quantum error correction
- Quantum News
- India’s National Quantum Mission, explained
- Intel agrees to buy quantum software company Classiq
- How can measurements drive a quantum computer?
- New York maps its quantum sector behind a $360 million commitment
- A claimed refutation of the Exponential Time Hypothesis
- OpenAI claims a proof that Yang–Mills theory exists
- US Department of War announces $350 million for quantum computing
- AI-built proof claims to settle the Aaronson–Ambainis conjecture
- Quantinuum reports a tenfold drop in logical error rate
- Quantum-safe security starts with ordinary computers
- News
- Quantum error correction with the toric code
- A solution to 2-copy distillability of Werner states
- Quantum error correction at ultra-low overhead
- Spurious quantum correlations
- Information Causality Characterizes the Set of Quantum Correlations in the Simplest Bell Scenario
- Pump-Free Microwave-Optical Bell Pair Generation for Teleportation-Based Quantum Transduction
- Randomness Certification from Statistically Hiding Commitments
- The Four-Qubit Hyperbolic Quadric Has Contextuality Degree 315
- Correlated decoding loses the surface code’s effective distance below threshold
- Polynomial-Time Classical Simulation of BosonSampling under Any Constant-Fraction Photon Loss
- Trapped-ion-based quantum repeater node across a 17 km metropolitan fiber
- Dimension-free marginal inequalities for pure three-party states
- Quantum f-divergences from retrodiction: a unifying classical variational principle
- Conservation in Every Quantum Measurement Outcome?
- Finite Classification of Transversal Diagonal Gates Beyond Stabilizer Codes
- An entanglement band structure for general multiqubit states
- Tight Bounds on the Randomized Communication Complexity of Vector-in-Subspace
- Injection is all you need: parallel universal logic in high-rate concatenated self-dual codes
- Discrete Time Liquids
- Transversal syndrome extraction: A unifying construction for measuring the error syndromes of any stabilizer code
- Pure states are optimal for total energy-constrained quantum channel discrimination
- Normal-Form Characterization of Adaptivity and Entanglement in Pauli-Based Computation
- Distributed dual-comb spectroscopy
- Photon localization: Local measurements, localized states, and causality
- FVQKD: A Formal Verification of Quantum Key Distribution Security in Rocq
- A simple proof of unitary parallelization via port-based teleportation
- The limits of magic-state distillation
- Entanglement certification of attosecond light fields with photoelectron interferometry
- Local Dephasing Sustains Continuous Time Crystals in a Spin-1/2 Ensemble
- Reset-Enhanced Dissipative Quantum Metrology
- The Impact of Markovian Errors on Random Circuits
- One-shot entanglement generation and distillation via Petz recovery and binary hypothesis testing
- Problem-aware sampling for bias and variance reduction in randomised Hamiltonian simulation
- Size-independent Logarithmic Sobolev Inequalities for Quantum Gibbs Samplers
- Mixed State Deep Thermalization under Generic Quantum Errors
- What does quantum parameter estimation estimate? A no-go result for true quantity values
- Finite Nonsignalling Resources Suffice to Simulate Entangled Qubits
- Entangled logical qubits on a superconducting quantum processor
- Elementary proofs of quantum lower bounds for element distinctness and k-sum
- Optimal probes for estimating the dephasing of a quantum spin system
- One-sided-DIQKD using any pure bipartite entangled state secure against all attacks
- Certain Quantum States Already Require Quantum Time Evolution
- Exact Identification of Quantum Correlations in the Minimal Bell Scenario
- Ancilla-free optimal quantum adder
- Self-Correcting 3D Surface Code with Growing Local Dimension
- Bargmann-invariant witness of the graviton commutator
- Quantum-enhanced metrology with classical shadows
- Distillable entanglement is continuous
- Network nonlocality with tripartite entangled sources
- Many-body entanglement quantification in arbitrary states through a few partial-transpose moments
- Quantum State Preparation for Complex-Valued Amplitudes
- Qubit-environment entanglement in pure dephasing dynamics for mixed initial states
- Correlation-sensitive magic-state distillation from spin-squeezed neutral atoms
- Certification Time for Weak-Force-Mediated Entanglement between Levitated Particles
- Matrix Samplers and Quantum-Proof Extractors: Their Correspondence and Almost-Optimal Constructions
- Experimental evidence for quantum Brownian motion in electron-metal decoherence
- Prepare-and-measure quantum key distribution from a bound on information leakage
- Measurement incompatibility and noiseless quantum codes
- Meet-in-the-Middle Compilation of the [CNOT] Class with Fibonacci Anyons
- Classical Verification of Quantum Computation Beyond the Polynomial Hierarchy
- Optimal Linear Combination of Hamiltonian Simulation for Dissipative Dynamics
- Sharp Tilting Inequalities
- Quantum Query Complexity of Tournament Solutions
- Maximum-Entropy Ensemble of Quantum Subsystems with a Fixed Average State
- Non-Asymptotic Bounds via the Nussbaum-Szkoła Mapping for Quantum Hypothesis Testing
- Distributed Inner-Product Estimation for Continuous-Variable Quantum States
- Inevitability of the Petz transpose map
- Three-dimensional QCA that are not stably circuits
- High-Fidelity Universal Quantum Gates in a Cryogenic Atom Array
- Quantum communication: a discrimination approach
- Rapid mixing for Gibbs samplers for quantum spin systems with all-to-all interactions
- Trajectory sharpening under quantum reference frame transformations
- On the Quantum Chromatic Gap II
- What Can Be Computed with Indefinite Causal Structure?
- Classical communication over quantum channels: does entanglement help in nature?
- Toric codes all the way down: decoupling translation-invariant topological CSS codes in higher dimensions
- Optimal Diamond Distance Estimation for Unitary Channels
- Locality in Dissipative Ground-State Preparation
- Clifford synthesis is NP-complete
- Almost-Quantum Correlations Violate Information Causality
- Bounding Fidelity of Non-Stabilizer States from Local Pauli Measurements
- Channel dichotomies
- No generalised contextuality from the vacuum
- The Quartic Gap Between Quantum and Dequantized Algorithms for Linear Algebra Is Tight
- Detection times are not local observables in quantum field theory
- Logarithmic Bias of Zero-Noise Extrapolation under 1/f Noise
- unitaryQIP = unitaryPSPACE
- Correlated Catalysis Removes the Strong Converse for Entanglement Distillation
- Taming a macroscopic free mass through continuous quantum measurement
- Quantum channel tomography: optimal bounds in the near-boundary regime
- Analog quantum simulation of paraparticle statistics
- Tight Quasiprobabilistic Entropic Uncertainty Relations for Discrete Quantum Systems
- On Random Purifications of Isometries and Channels
- Autonomous cooling of Kerr-cat qubits to minutes-long bit-flip times
- Simple proof of conditions requiring maximal entanglement for local state verification and discrimination
- Breaking the quantum barriers for Graph Collision
- The most entangled states of four and seven qubits
- Algorithmic Wave-Particle Duality: Pathfinding in Welded Trees is Hard
- Norm Bounds on Sums of Positive Operators with Applications to Monogamy Games and Quantum Key Distribution
- Equivalence of Correlated Catalytic and Marginal Asymptotic Transformations in Quantum Resource Theories
- A Quantum Lower Bound for Triangle Finding
- Using topology to reveal all mutually unbiased bases in dimension six
- Upper and lower bounds for few-copy Gaussian tomography, and the absence of a fermionic warm regime
- Asymptotic advantage of quantum one-way and SMP communication for total functions
- Frustration-freeness is decidable but unprovable
- Fidelity Determines the Minimum Error of Quantum Recovery
- Certifying the Rydberg-exposure limit of a globally driven controlled-Z gate
- Extensions of the Haldane gap proof: higher dimensions, near degeneracy, fermions and tensor-network states
- Structured Quantum Hardness from Unstructured Assumptions
- Information-Spectrum General Formulas for the Capacity Region of Classical-Quantum Multiple Access Channels
- Efficient Pauli truncation from operator stabilizer Rényi entropy
- Exponential mixing time for the Davies dynamics of the quantum random energy model
- Quantum trajectory of a spin oscillator, continuous retrodiction beyond the Heisenberg uncertainty relation
- Non-unitary quantum butterfly effect: theory and experiment
- Quantum Advantage with Sign-Free Proofs: An Oracle Separation between StoqMA and MA
- Optimal finite-copy readout of three-qubit entanglement with state retention
- Certifying quantum code and circuit distances at scale
- Testing gravitationally induced entanglement with massive particles and quantum clocks
- Polynomial-time classical simulation of boson and fermion sampling under thermal loss
- Provable circuit-level thresholds for non-abelian topological phases
- Research papers: October 2026
- Research papers: November 2026
- Research Papers