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.
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representative citing papers
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.
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.
Experimental observation of nonlinear dependence of ion loss rate on spin polarization in Ba+ immersed in two-component Li Fermi gas, consistent with antisymmetrization restricting recombination channels.
Proposes relative-entropy-based measures to diagnose chirality in mixed-state topological phases after showing pure-state diagnostics are unreliable.
Broadband laser pulses enhance two-plasmon decay instability and hot electron generation via stochastic intensity spikes, as identified in experiments and particle-in-cell simulations.
Analytical derivation shows mutual relations between density, magnetic, and pairing susceptibilities in the Hubbard model, revealing a degeneracy between d-wave pairing and d-density wave instabilities near the metal-insulator transition that is lifted by frustration.
citing papers explorer
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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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Characterizing Signalling: Connections between Causal Inference and Space-time Geometry
Introduces the order-theoretic property of conicality for space-times and proves a correspondence between conical space-times and faithful information-theoretic causal models under no-superluminal-signalling constraints.
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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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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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Nonlinear Landau Collisions Without Collision Tensors
Adapting quantum chemistry methods reduces memory for nonlinear Landau collision operator discretization by four orders of magnitude, enables relaxation tests, and shows linearization introduces fourfold angular errors while preserving invariants.
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A Levitated-Magnet Vector Force Sensor for Spin-Dependent Exotic Interactions
A levitated-magnet vector force sensor is introduced to resolve directional signatures of spin-dependent exotic interactions and probe electron-electron couplings at millimeter ranges using an existing experimental platform.
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Exact calculation of entanglement negativity for a 1+1D massless scalar field using phase space methods
Exact computation of logarithmic negativity between arbitrary compact regions in 1+1D massless scalar field vacuum via Kähler structure diagonalization of partially-transposed complex structure, reformulated as complex-plane boundary value problem.
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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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The Allee Effect in Compressible Flows
Analytical carrying capacity expressions for Allee-effect populations in compressible flows are derived for small and large Damköhler numbers, revealing a flow-statistics-determined maximal Allee strength for extinction in turbulence.
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Imaging geometry- and phase-controlled spectra in a surface-state Andreev cavity
STM imaging shows geometry of Andreev trajectories in 2D surface-state cavities controls low-energy spectra, captured by semiclassical phase accumulation.
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Hydrogen segregation around a straight screw dislocation in bcc iron
Hydrogen segregation around screw dislocations in bcc iron is dominated by easy-core sites, with a thermodynamic model matching limited DFT data and explaining experimental solubility limits.
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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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Deterministic control of the probabilistic phase dynamics in injection-locked spin-torque nano-oscillators
Weak RF perturbation in second-harmonic injection-locked vortex STNOs enables continuous deterministic control of occupation probabilities between two π-separated phase attractors via tunable jump rates.
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Configurable Algorithms for Histopathologic Cancer Detection on Quantum Hardware
Two configurable quantum algorithms (DG-CSWAP and DG-DST) for histopathologic cancer detection are shown to be algebraically equivalent, executed on real NISQ hardware with mitigation, and achieve 79.8% accuracy versus a classical baseline.
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When CPT Violation Hides in Plain Sight: How CP Measurements Are Compromised and How to Fix Them
CPT violation parametrized by δΔm²₃₁ induces a phase shift degenerate with δ_CP; existing atmospheric data constrains |δΔm²₃₁| ≤ 0.57×10^{-3} eV² at 90% CL.
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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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Finite and disordered Kitaev chains: a large deviation study
Large deviations analysis of disordered Kitaev chains shows asymmetry in Lyapunov exponent fluctuations favoring stronger Majorana edge localization, independent of topology and persisting across disorder distributions.
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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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Absorption cross section of a Schwarzschild black hole for a massive vector field
Numerical computation of absorption cross sections for massive Proca fields on Schwarzschild black holes, revealing mass-induced longitudinal modes and breaking of even-odd parity degeneracy in transmission spectra.
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Deterministic Single-Photon Emitter Arrays in Hexagonal Boron Nitride by Carbon-Assisted Focused Ion Beam Engineering
A lithography-free process combining Ga FIB milling, carbon deposition, and annealing produces deterministic hBN single-photon emitter arrays with 89% yield and g^(2)(0)=0.15.
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Fabricating fiber cavity mirror substrates compatible with high coupling efficiency
A reflectometry-based pre-selection method maintains 95.3-99.2% mode matching after single-pulse CO2 ablation on 138 fiber tips pre-screened for 96.5-99.5% compatibility.
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Calibration of CMB Polarisation Using Cross-Experiment Correlations
A data-driven method calibrates relative CMB polarization angles via cross-correlations without assuming zero isotropic birefringence or primordial EB, forecasting 0.10° and 0.17° uncertainties for SO LAT and Planck at 145 GHz if SO SATs reach 0.08°.
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Hybrid Hamiltonian-diagrammatic quantum impurity solver
Hybrid Hamiltonian-diagrammatic quantum impurity solver augments diagrammatic methods with a small auxiliary bath to enable accurate low-order perturbation theory with orders-of-magnitude gains in precision and speed.
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Method to get Better Sky Maps in a GstLAL Low-Latency Analysis
A targeted hierarchical search refines GstLAL low-latency gravitational wave candidates to improve sky localization by 16.75% on average using O3 data and has been adopted for O4.
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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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Hyperstatistical thermodynamics of the one-dimensional Klein-Gordon and Dirac oscillators: a closed-form q-generalized Boltzmann factor and a quantitative comparison with Beck's superstatistics
Hyperstatistics produces a q-exponential Boltzmann factor independent of the averaging density f(β) for 1D KGO and DO, reproducing high-T limits while distinguishing the systems via degeneracy and avoiding unphysical negatives.
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Multi-dimensional parameter space of higher-order exceptional points induced by Brillouin optoacoustics
Experimental realization of a third-order exceptional point via Brillouin optoacoustics in optical fiber, with multi-dimensional parameter space mapping revealing connected topological structures.
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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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Signatures of Ultralight Dark Matter in Space-Based Laser Interferometers
ULDM oscillations in constants create directional signals in LISA/Taiji that survive TDI processing, with a new local observable improving sensitivity to dilaton-electron coupling d_e by three orders of magnitude over standard Michelson channels.
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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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Phase separation seeded by Z2 and U(1) topological defects from holography
Holographic simulations demonstrate that Z2 and U(1) topological defects universally seed phase separation, with cores expanding into domains under a double-quench protocol.
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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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Narrowing the Gap Between Theory and Evaluations: Angular Momentum Distributions in Fission Fragments
Microscopic calculations yield angular momentum distributions in fission fragments with sawtooth patterns and isobaric dependence that match experimental photon multiplicities without adjustable parameters.
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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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Cosmological Constraints from Bias-Robust Wavelet Scattering Statistics for Stage-IV Galaxy Surveys
The paper develops R^wst, a bias-robust wavelet scattering statistic that delivers unbiased constraints on cosmological parameters and improves degeneracy breaking versus the two-point correlation function via simulation-based inference.
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Probing Spacetime Topology and Superposition with Accelerated Detectors
Compactification and spacetime superposition enhance the range and strength of entanglement harvested by accelerated Unruh-DeWitt detectors, with antiparallel acceleration outperforming parallel acceleration.
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Competition between pair and single-particle superfluidity in bosonic quasi-flat bands: A Gaussian state approach
A Gaussian variational approach shows pair superfluidity persists against finite single-particle hopping in quasi-flat bosonic bands before transitioning to conventional superfluidity, with a derived sound-speed relation to a quantum geometric kernel.
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Alignment-free ultra-broadband parametric frequency conversion in lead-halide perovskites
Thick lead-halide perovskite crystals enable alignment-free ultra-broadband four-wave mixing of IR pulses via surface-localized interactions sustained by large intrinsic nonlinearity.
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A pre-merger-informed spectral-level ringdown inference framework for black-hole spectroscopy
SPRING framework propagates pre-merger information into spectral-level ringdown inference, improving Bayesian support for an agnostic two-damped-sinusoid model on GW250114 by ΔlnB ~5-10 while keeping remnant posteriors consistent with IMR estimates.
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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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A contaminant-concentration-dependent surface tension does not explain the absence of solutal Marangoni flow in evaporating droplets
PIV experiments and coupled modeling demonstrate that flows in evaporating droplets are driven by natural convection, not Marangoni flows, and that contamination models cannot account for flow reversal against the predicted gradient.
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Inferring Neutron-Star Properties from Post-merger Gravitational-wave Spectra with Neural Networks
Neural networks trained on noise-free post-merger spectra outperform linear regression baselines at predicting neutron-star mass, quadrupolar tidal deformability, and mass-radius slope from numerical-relativity catalogs.
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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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Nonlinear Magnon Magnetic Moment Transport in Triangular-Lattice f-Wave Antialtermagnets
Magnons in triangular-lattice Heisenberg antiferromagnets carry perpendicular magnetic moments, realizing f-wave antialtermagnets whose nonlinear thermal transport effects provide detectable signatures.
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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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Switching Rydberg interactions by three orders of magnitude using a terahertz field
A pulsed terahertz field switches Rydberg atom interactions by three orders of magnitude, demonstrated via interaction-induced dephasing of a stored photon.
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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.