Aframe neural network achieves matched-filter sensitivity for binary neutron star GW searches at lower computational cost using heterodyning and a single GPU.
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representative citing papers
Vine codes generalize directional codes to open planar boundaries, delivering up to 28% fewer data/measure qubits at circuit distance 7 and better simulated performance than the surface code at 10^{-3} noise while using fewer total qubits.
The RDM of 2D topological order at an entanglement cut realizes a 1D Z2 SW-SSB mixed-state phase whose correlations and disorder parameters encode anyon deconfinement and spinon fractionalization.
Classical codes plus SAT search yield no-go theorems limiting error detection in sub-8-qubit distillation and new minimal-qubit protocols for T-to-T (distances 4-5 on 10-11 qubits) and T-to-CCZ (distances 3-4 on 9-10 qubits).
In disordered 1D quantum spin ensembles with Ising symmetry, gapped phases exhibit a strict trade-off: they have either long-range Edwards-Anderson order or even-parity disorder, but not both.
Quantum coherences bind to hydrodynamic voids forming polaron-like objects, parametrically enhancing lifetimes and producing subdiffusive Green's functions in charge-conserving dynamics.
For PEPS with strong injectivity above a threshold, belief propagation finds fixed points efficiently and cluster-corrected BP approximates observables to 1/poly(N) error in poly(N) time, with local perturbations affecting the fixed point only locally.
Cryogenic shock exfoliation yields large rhombohedral graphene devices over 1300 square micrometers with 90% fabrication yield, mean free path exceeding 200 micrometers, and signatures of electron hydrodynamics.
Alterelectrics exhibit quadrupolar piezoelectricity, hyperbolic wave dispersion, and surface-dependent anisotropic electronic transport as an electric analog to altermagnets.
Genuine quantum scars survive in Floquet many-body systems with additional drive-induced scars and a stability diagram explained by classical Lyapunov exponents.
For PEPS states with loop-decay, BP with cluster corrections approximates local observables exponentially accurately, and loop-decay necessarily implies exponential decay of connected correlations, ruling out BP at critical points.
Engineered disorder drives a photonic lattice into a topological Anderson insulator regime that produces emergent chiral edge states for boundary-selective, ultranarrow lasing with enhanced robustness.
Shaping the pump in a honeycomb photonic-crystal laser creates a smooth potential that traps lasing states with reconfigurable real-space polarization singularities pinned to envelope critical points, while the momentum-space vortex at Gamma remains fixed.
Averaging symmetric Z_N quantum circuits over random noise produces a noisy surface code whose logical information is protected against symmetric errors up to a threshold, with charge-sharpening transitions coinciding with bulk confinement transitions that differ for N≤4 versus N>4.
Symmetry classification of measurement-inclusive fermionic dynamics with equivalence between many-body and single-particle schemes, plus post-selection-free adaptive circuits for topological states in four classes.
A sample-optimal quantum state tomography algorithm that is memory-efficient by using unitary Schur sampling with streaming access to samples.
A hybrid feedback algorithm combining imaginary-time evolution and time-rescaling prepares the TFD ground state of the Maldacena-Qi model with near-unit fidelity.
An integrated dual-microring-resonator platform in silicon carbide generates and stores photon-memory entanglement at telecom wavelengths, achieving 88.1% visibility and up to 63-mode high-dimensional qudit entanglement with 5.1 Ebits per photon efficiency.
Complete classification of three-qubit nonlocality paradoxes via biconditional parity proofs shows a richer landscape than prior constructions, using new structural and combinatorial techniques.
Derivation of spin-current high-harmonic selection rules that distinguish altermagnetic spin-group phases from ferromagnetic, antiferromagnetic, and magnetic-point-group mimics under different light polarizations in the weak-SOC regime.
Numerical simulations of plane gravitational waves through Gaussian, NFW and Burkert potentials show non-geodesic propagation for Gaussian profiles and wave convexity reversal for Burkert in strong gravity, with order-one deviations from scalar-wave predictions inside the lens.
QTT-NEGF simulations on up to 256x256 lattices reveal momentum-dependent thermalization bottlenecks extending the phonon-window effect in nonequilibrium electron-phonon systems.
Thousands of foundry-fabricated quantum-dot spin-photon interfaces demonstrate state-of-the-art efficiency, stable near-unity purity, seven-partite entanglement, and cross-source indistinguishability.
Derives improved mode-independent sample complexity bounds O(η log η) for fermionic classical shadows on particle-preserving operators and Slater determinant overlaps.
citing papers explorer
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Certifying localizable quantum properties with constant sample complexity
A new framework certifies global quantum properties including multipartite entanglement, circuit complexity, and quantum magic on small subsystems with constant sample complexity via local Pauli measurements.
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Measurement-Based Quantum Diffusion Models
Measurement-based quantum diffusion models are introduced to recover pure and mixed quantum states via weak measurements, quantum score matching, and Petz recovery maps with error bounds, bridging to classical stochastic reversals.
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Rise and fall of nonstabilizerness via random measurements
Analytical and numerical study of stabilizer nullity and Rényi entropies in monitored Clifford circuits shows quantized decay for computational measurements and size-dependent relaxation to a non-trivial steady state for rotated bases.
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Disentangling strategies and entanglement transitions in unitary circuit games with matchgates
Introduces a minimal matchgate circuit representation for fermionic Gaussian states together with a Yang-Baxter update algorithm, then maps out entanglement transitions in unitary circuit games under braiding and generic matchgate rules.
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Meson spectroscopy of exotic symmetries of Ising criticality in Rydberg atom arrays
Rydberg arrays realize Ising criticality with E8 mass spectra in chains and first signatures of D8^(1)-organized bound states from interchain confinement in ladders.
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Magnetic Hysteresis Experiments Performed on Quantum Annealers
The paper introduces the first general protocol for magnetic hysteresis on programmable quantum annealers and reports non-monotonic dependence of loop area on quantum fluctuations along with disorder-induced steps.
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Preparation Circuits for Matrix Product States by Classical Variational Disentanglement
A layer-by-layer classical variational disentanglement algorithm compiles preparation circuits for matrix product states by minimizing bipartite entanglement to reduce bond dimensions.
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Quantum inputs in the prepare-and-measure scenario and stochastic teleportation
Formalizes quantum prepare-and-measure scenarios with entanglement and constructs stochastic teleportation protocols achieving exact recovery with two classical bits under super-quantum resources or multi-particle entanglement.
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A cat qubit stabilization scheme using a voltage biased Josephson junction
A DC-voltage-biased Josephson junction circuit is proposed to deliver larger two-to-one photon exchange rates for cat-qubit stabilization while suppressing resonant Kerr and cross-Kerr terms via dynamical averaging.
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Wire Codes
Wire codes are a construction that converts any stabilizer code into a local weight-3 subsystem code on an arbitrary graph via low-density Tanner-graph embedding, with overhead governed by the embedding quality.
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Demonstration of logical qubits and repeated error correction with better-than-physical error rates
Logical error rates in [[7,1,3]] and [[12,2,4]] codes are suppressed 9.8-800 times below physical rates on trapped-ion hardware, with repeated correction cycles approaching the error rate of two physical CNOTs.
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Benchmarking Digital-Analog Quantum Computation
Except for a few specific cases, digital-analog quantum computation is disadvantageous compared to digital quantum computation based on scaling analysis across three quantum algorithms.
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Partially-Blind Single-Qubit Classification over a Prototype Hybrid Quantum Network
A framework for partially-blind single-qubit classification (PB-SQC) is proposed and simulated on a credit-card fraud dataset using realistic hardware parameters in a heterogeneous quantum network, with performance approaching a classical deep-belief network.
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Bias-Preserving Gates and Quantum Error Correction With Dual-Rail Cat Codes
Proposes the dual-rail cat code (DRCC) as a concatenated bosonic encoding enabling bias-preserving gates, deterministic photon-loss correction, and erasure-resilient fault tolerance.
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Absorption capacity of separable noise: Bell-mixing thresholds on separability and teleportation
Introduces entanglement and fidelity absorption capacities for separable noise in Bell mixtures, with closed-form results for product states and X-states plus extensions to channels and bounds.
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Gaussian Quantum Metrology with Realistic Linear Sensors
Derives tight Holevo CRB for realistic linear sensors showing hierarchy with standard bounds and proposes readout improving LIGO rates by 25%.
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Quantum Key Distribution Without Shared Reference Frame Under Unital Noise
Two approaches (PTM singular vector optimization and sequential basis matching) allow BB84 and six-state QKD to achieve equivalent key rates over unital channels without a shared reference frame by absorbing frame misalignment into the channel.
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Quantum-Classical Auxiliary-Field Quantum Monte Carlo at the Edge of Practicability
QC-AFQMC per-step scaling reduced from O(N^5.5) to O(N^4.5) via Aitken's block transformation for singular Pfaffians and algorithmic differentiation for force bias, with demonstrations on H8 from real quantum data and Li2O4.
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Quantum algorithm for Valiant-Vazirani reduction
Constructs quantum filtered oracle for Valiant-Vazirani theorem reducing SAT to UNIQUE SAT, enabling polynomial-time NP solution via torsion nonlinearity in noise-free limit but not #P.
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Impact of Network Constraints on Fault-Tolerant Distributed Quantum Computing
A modular end-to-end simulation framework jointly models surface-code operations, QPU connectivity, and network constraints to produce execution latency and logical error rate estimates, revealing network-dependent operating regimes for distributed quantum computing.
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Defining Unique, Redundant, and Synergistic Quantum Information
Extends PID to quantum domain with applications showing unique info must be zero in erasure-correctable QEC subsets and redundant info central to Zurek decoherence.
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Better Pauli Channel Learning with Maximum Likelihood Estimation
MLE for 1D-local sparse Pauli-Lindblad channels reduces to an efficient Bayesian network computation, yielding improved tomography.
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Entangled Two-Photon Absorption in Cesium Atoms and the Limitations of the Far-Off-Resonance Approximation
Without the far-off-resonance approximation, the ETPA enhancement factor in cesium atoms oscillates with entanglement time and reaches a maximum of ~500, unlike the constant 36*pi with the approximation.
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Dissipative generation of spin squeezing in the resolved vacuum Rabi splitting limit
Symmetry-protected dissipative spin squeezing is realized in the resolved vacuum Rabi splitting regime for 87Sr atoms via ramped drives, achieving over 25 dB squeezing for 10^5 atoms close to ideal one-axis twisting scaling.
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Picometer control of a levitating milligram gravity sensor
Demonstrates simultaneous feedback cooling of two modes of a levitating milligram permanent magnet in a superconducting trap to sub-2 pm amplitudes and sub-10 mK temperatures using SQUID readout and piezoelectric actuation.
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Generalized multilevel amplitude damping channels and their thermodynamic performances
Introduces generalized multilevel amplitude damping channels and reports that their ergotropic capacitance is non-monotonic in bath temperature while iteration produces a Markovian Mpemba effect.
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Dissipative preparation of injective tensor network states
Constructs geometrically local dissipative dynamics that prepare injective tensor network states in O(log(N/ε)) time for 1D MPS and high-injectivity higher-D cases.
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Estimating Green's functions with a robust quantum Arnoldi method
ROQAM formulates Green's function estimation via orthogonal polynomials to preserve Hessenberg structure under finite precision, enabling lower precision with depth and outperforming QSVD by orders of magnitude in resource estimates for a quantum impurity model.
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Long-range nonstabilizerness of topologically encoded states from mutual information
Mutual information between non-contractible regions on the torus fully classifies long-range nonstabilizerness for toric-code states but leaves a finite subset undetected in the doubled-Fibonacci string-net model.
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Translation-invariant quantum low-density parity-check codes from compactified fracton models
Compactification of a single higher-dimensional hypergraph-product fracton model yields a broad family of translation-invariant quantum LDPC codes that includes fracton models and all A2BGA codes such as BB codes.
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Ancilla Assisted Quantum Process Tomography using Bound entangled states
Bound entangled states enable ancilla-assisted quantum process tomography, though local filtering renders them unfaithful for reliable reconstruction.
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Dissipation-assisted preparation of Floquet-Laughlin states in superconducting circuits
Driven-dissipative stabilization of Floquet-Laughlin states in the bosonic Harper-Hofstadter-Hubbard model is achieved by coupling to tuneable artificial environments realized with leaky cavity modes.
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Nonlinear Hamiltonians and Boolean satisfiability
Nonlinear Hamiltonians on ancilla qubits enable efficient solution of UNIQUE SAT with ⟨σ^z⟩σ^z, 3SAT with ⟨σ^x⟩σ^y - ⟨σ^y⟩σ^x, and #SAT with ⟨σ^y⟩⟨σ^z⟩σ^x - ⟨σ^x⟩⟨σ^z⟩σ^y nonlinearity.
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Quantum Magic in early FTQC: From Diagonal Clifford Hierarchy No-Go Theorems to Architecture Design Blueprints
No-go theorems prove hierarchy level and state-independent sequences cannot maximize operational magic in early FTQC, requiring state-aware differentiable optimization and nonlinear phases for scalable magic generation.
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Factoring $2048$ bit RSA integers with a half-million-qubit modular atomic processor
A modular atomic processor with 500,000 qubits factors 2048-bit RSA numbers in roughly the same time as a single large module when inter-module Bell-pair communication runs at 10^5 per second.
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Experimental demonstration of a coherent detector blinding attack on a real CV-QKD system
Experimental coherent detector blinding attack on a real CV-QKD system reliably hides excess noise above 2.5 SNU by impairing the receiver's channel parameter estimation.
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Quantum Tilted Loss in Variational Optimization: Theory and Applications
QTL unifies expectation-value minimization with CVaR and Gibbs heuristics under one tunable operator, amplifying gradients in structured cases while preserving global minima and shifting the bottleneck to measurement variance.
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Minimal action shortcut to adiabaticity in a driven Kitaev chain: competing gaps in a topological transition at finite-time
A multi-step MA-STA control achieves high-fidelity driving of the Kitaev chain across its trivial-to-topological transition at times much shorter than linear protocols while reducing work fluctuations.
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Spectral tuning of single T centres by the Stark effect
Stark tuning of T centres in silicon nanophotonic cavities with p-i-n diodes achieves 30 GHz shifts, resonance for 55% of on-chip emitters, tunable lifetime reduction, and a model predicting large entanglement-rate gains.
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Tensor network surrogate models for variational quantum computation
Tensor network simulations act as effective surrogate models for training QAOA on large 2D lattices, overcoming limits of parameter transfer from small instances and remaining classically feasible with moderate bond dimensions.
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Toward designing workload-aware Surface Code Architectures
A workload-aware surface-code architecture with ancilla-centric patches and T-gate-based floorplanning reduces required data tiles by up to 21% while maintaining near-optimal cycles per instruction and reaching 90% efficiency for 10 concurrent programs.
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Fault-Tolerant Quantum Computing with Trapped Ions: The Walking Cat Architecture
A trapped-ion architecture based on LDPC codes and cat-state factories achieves 110 logical qubits and one million T gates per day using 2514 physical qubits, with estimates for Heisenberg model simulation on 100 sites in one month using 10000 qubits.
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Quantum many-body scars in random unitary circuits
A constructed random unitary circuit hosts one scar whose perturbations thermalize via fluctuating interfaces while the scar imprints a non-local transition in entanglement dynamics.
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All-photonic quantum key distribution beyond the single-repeater bound
All-photonic MDI-QKD protocol surpasses the single-repeater bound with key-rate scaling approaching η^{2/5} when quantum signals travel at two-thirds classical speed, using temporal multiplexing to improve rates without perfect memories.
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Activating entanglement and EPR steering from continuous-variable resources using witness-based measures
A witness-based framework quantifies continuous-variable resources and activates them into discrete-variable entanglement or EPR steering via measure-and-prepare channels that produce Werner states.
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An Information-Theoretic Bound on Thermodynamic Efficiency and the Generalized Carnot's Theorem
A new bound based on state-Hamiltonian correlations gives the exact maximum efficiency for multi-bath thermal engines and is achievable beyond the quasistatic regime in a quantum dot model.
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Role of Asymmetry in the Performance Optimization of a Relativistic Quantum Otto Engine
Asymmetry in the adiabatic processes of a relativistic quantum Otto cycle allows efficiency to approach unity under sudden compression but restricts it to one-half under sudden expansion, with increasing oscillator velocity enhancing work output and expanding the engine regime.
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Optimising Quantum Error Correction Using Morphing Circuits
Morphing circuits optimize syndrome extraction for Abelian 2BGA and other QEC codes, yielding new circuits with improved parameters, connectivity, and stability against measurement errors.
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Square-root Time Atom Reconfiguration Plan for Lattice-shaped Mobile Tweezers
A divide-and-conquer algorithm decomposes atom reconfiguration into three 1D shuttling tasks, enabling O(sqrt N) total transportation cost and reliable solutions via the Gale-Ryser theorem for arbitrary geometries.
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Phase-Stable Hologram Updates for Large-Scale Neutral-Atom Array Reconfiguration
WPGS algorithm enforces inter-frame phase continuity in holographic tweezers to suppress refresh-induced atom loss and speed up updates for large neutral-atom arrays.