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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Thermalization of SU(2) Lattice Gauge Fields on Quantum Computers
Quantum hardware simulation of SU(2) lattice gauge thermalization matches classical extrapolations up to 101 plaquettes after error mitigation, establishing feasibility for chaotic quantum field systems.
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The typicality of symmetry-induced entanglement
Most symmetric separable states with conserved charge N are not symmetrically separable, with number entanglement showing Gaussian concentration around a strictly positive value.
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Matrix Product States for Modulated Topological Phases: Crystalline Equivalence Principle and Lieb-Schultz-Mattis Constraints
Modulated SPT phases in 1D are classified by H²(G, U(1)_s) and obey LSM-type theorems forbidding symmetric short-range entangled ground states.
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Towards a Refinement of Krylov Complexity: Scrambling, Classical Operator Growth and Replicas
LogK complexity via replicas distinguishes genuine scrambling from saddle effects in quantum and classical systems and refines the measure for integrable cases.
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On Non-Existence of Stabilizer Absolutely Maximally Entangled States in Even Local Dimensions
Stabilizer AME states do not exist for N=4n qudits of even local dimension d; optimal mixed AME states of purity 1/2 exist for d=6.
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Compactifying the Electronic Wavefunction II: Quantum Estimators for Spin-Coupled Generalized Valence Bond Wavefunctions Applied to H4
An ancilla-free quantum measurement scheme using local Clifford rotations and Pauli observables evaluates SCGVB matrix elements, demonstrated on H4 dissociation with results matching classical references.
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Many-Body Entanglement Properties of Finite Interacting Fermionic Hamiltonians
Ground states of fermionic Hamiltonians limited to M-body interactions cannot achieve maximal M-body entanglement.
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Passive freeze-out of the Richtmyer-Meshkov instability
Sub-surface voids convert a single shock into weaker timed shocks that passively suppress Richtmyer-Meshkov instability growth by over 70% in low-pressure surrogate targets.
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Kinetic Route to Helicity-Constrained Decay
PIC simulations show E·B ≠ 0 regions reduce magnetic helicity in sub-ion turbulence, and a new history-dependent helicity density produces time-independent intermediate-scale plateaus consistent with cancellation-dominated 2D decay.
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Novel Constraints on Spin-Dependent Light Dark Matter Scattering
SNO data combined with CANDU reactor production excludes spin-dependent χ-nucleon cross sections above ~10^{-33} cm² for m_χ ≤ 1.5 MeV.
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Quasilocalization under coupled mutation-selection dynamics
A relation links quasispecies Hill numbers to the ratio of effective fitness variance over mean mutation rate squared, emerging from mean approximations of surprisal rates under Eigen's model.
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Krylov Subspace Dynamics as Near-Horizon AdS$_2$ Holography
In the continuum limit the discrete Krylov chain becomes a Klein-Gordon field in AdS2, with Lanczos growth rate α identified as πT, recovering the maximal chaos bound and requiring the Breitenlohner-Freedman bound for consistency.
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Quantum Approximate Optimization of Integer Graph Problems and Surpassing Semidefinite Programming for Max-k-Cut
QAOA on qudit-encoded integer graph problems outperforms the Frieze-Jerrum SDP for Max-k-Cut at p≤4 in regimes k=3 d≤10 and k=4 d≤40, while a new degree-of-saturation heuristic beats both on GSet but may be overtaken by QAOA at p≤20.
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Collective excitations in chiral spin liquid: chiral roton and long-wavelength nematic mode
Numerical calculations reveal a chiral p-wave roton mode at finite momentum and a d-wave nematic mode at zero momentum in the SU(2) symmetric chiral spin liquid phase of the J1-J2-Jχ model.
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Ferrichiral skyrmions with sublattice-resolved chirality in extended Kitaev model in triangular lattice
Classical Monte Carlo simulations of an extended Kitaev model on the triangular lattice uncover a ferrichiral skyrmion phase with sublattice-resolved chirality that is stable without external fields.
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D-MODD: A Diffusion Model of Opinion Dynamics Derived from Online Data
D-MODD is a data-derived Langevin stochastic differential equation whose transition kernel reproduces the one-step opinion change probabilities observed in social media data on a polarized climate topic.
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Mode-selective cloaking and phase-matching cavity resonances in bilayer graphene transport
Phase-matching cavity resonances enable perfect transmission at discrete energies in bilayer graphene barriers via single-mode internal coherence without opening decoupled channels.
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Cosmic Collider Gravitational Waves sourced by Right-handed Neutrino production from Bubbles: Testing Seesaw, Leptogenesis and Dark Matter
Bubble collisions in a seesaw model produce right-handed neutrinos that source novel gravitational waves detectable by LISA, ET, and LVK while allowing the lightest RHN to explain dark matter or enable leptogenesis.
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First-time assessment of glitch-induced bias and uncertainty in inference of extreme mass ratio inspirals
Moderately mitigated glitch streams induce negligible to minor biases (0.04–0.6σ) in EMRI parameters while weakly mitigated streams with higher-SNR events can reach ~1σ biases, making EMRI inference more robust than for MBHBs.
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Any Light Particle Searches with ALPS II: first science results
ALPS II reports no detection of axion-like particles and establishes improved 95% CL upper limits on di-photon couplings of 1.5e-9 GeV^-1 for masses below 0.1 meV, plus limits for scalar, vector, and tensor bosons.
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Atomic and molecular systems for radiation thermometry
Atomic systems using 85Rb Rydberg atoms and vapor provide primary measurements of blackbody radiation temperature near 130 GHz and 24.5 THz with uncertainties of 1% and 0.13 K respectively.
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Phase Estimation with Compressed Controlled Time Evolution
A compression protocol for controlled time evolution of local translationally invariant Hamiltonians achieves O(t polylog(t N/ε)) circuit depth with additive control overhead, demonstrated via 414 CNOT gates for iterative phase estimation on a 6×6 triangular lattice and sub-1% energy errors on a 4×4
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Two-beam Multiparticle Many-body simulations of Inhomogeneous FFI
A tensor-network method enables simulations of inhomogeneous many-body neutrino flavor instabilities, showing earlier equilibration than mean-field approximations with differences arising from initial configurations and boundaries.
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Relativistic Maxwell-Bloch Equations with Applications to Astrophysics
Relativistic Maxwell-Bloch equations are derived showing that radiating system response and coherence between emitters are preserved across reference frames, with timescales and intensity transforming as expected relativistically.
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Twistraintronics in Square Moire Superlattices of Stacked Graphene Layers
Strain-induced square moire superlattices in graphene exhibit narrow bands and split Van Hove singularities reproduced by a continuum model under twist-strain conditions that minimize elastic energy.
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Artificial Precision Polarization Array: Sensitivity for the axion-like dark matter with clock satellites
Proposes satellite-based artificial pulsar polarization arrays (APPA) that simulations show can set tighter 95% C.L. upper limits on g_aγ than ground observations for axion masses 10^{-22} to 10^{-18} eV.
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Altermagnetism in an interacting model of Kagome materials
Coulomb interactions drive altermagnetism in the Kagome Hubbard model at Dirac filling, producing an insulating state with split magnons detectable by inelastic neutron scattering.
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Metric response of relative entropy: A universal indicator of quantum criticality
The diagonal metric response of quantum relative entropy yields a susceptibility that diverges at quantum critical points in spin chains, with square-log divergence in the TFIM and power-law in a non-integrable three-spin Ising chain.
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There and Back Again: A Gauging Nexus between Topological and Fracton Phases
Gauging the 1-form symmetry in the X-Cube construction produces a web of relations to SPT phases with subsystem and higher-form symmetries plus subsystem symmetry fractionalization in the 3+1D toric code.
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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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Effective delocalization in the one-dimensional Anderson model with stealthy disorder
Stealthy disorder in the 1D Anderson model makes the localization length scale as a higher inverse power of disorder strength W, allowing it to exceed system size for sufficient stealthiness parameter χ.
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Symmetry and Topology of Successive Quantum Feedback Control
Successive quantum feedback control with non-adaptive bare measurements collapses to the ten AZ† symmetry classes that dictate topology of CPTP maps, demonstrated via quantized winding numbers in a chiral demon and an explicit protocol outside the classes.
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Laboratory measurements of energy partitioning and anomalous electron heating in magnetized, perpendicular collisionless shocks
Lab experiments on supercritical magnetized collisionless shocks measure a compression ratio of 3.6, super-adiabatic foot heating, 30% excess downstream electron heating, and Te/Ti = 0.8 indicating anomalous collisionless processes.
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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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Magnetically Programmable Surface Acoustic Wave Filters: Device Concept and Predictive Modeling
Micromagnetic simulations of magnetoelastic coupling in exchange-decoupled Co/Ni islets predict a 52 dB/mm change in SAW transmission at 3.8 GHz depending on the magnetic state of neighboring islets.
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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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Universal Criterion and Graph-Theoretic Construction of Intrinsic Superconducting Diode Effect
The authors introduce a universal criterion of two inequalities evaluated from the bare Hamiltonian to diagnose intrinsic superconducting diode effect and a graph-theoretic method to construct nonreciprocal models.
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Excitation-detector principle and the algebraic theory of planon-only abelian fracton orders
The excitation-detector principle is equivalent to perfectness of the quadratic form on the excitation module, which is necessary and conjectured sufficient for the compactified 2D theory to be modular.
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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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Classical symmetry enriched topological orders and distinct monopole charges for dipole-octupole spin ices
Dipolar spin ice monopoles acquire finite magnetic charge from long-range dipole-dipole interactions via the dumbbell picture even classically, while octupolar spin ice monopoles have zero charge, providing a classical distinction between symmetry-enriched topological orders.
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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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Skyrmionic Schr\"odinger cat states in monoaxial chiral magnets
DMRG study of a quantum Heisenberg model with monoaxial DM interaction finds skyrmion-antiskyrmion degeneracy enabling Schrödinger cat states manipulable by magnetic field gradients.
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Infinite variety of thermodynamic speed limits with general activities
A unified framework based on generalized means derives an infinite family of thermodynamic speed limits for Markov jump processes and chemical reaction networks, each giving a lower bound on entropy production.
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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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Superfluids in expanding backgrounds and attractor times
Out-of-equilibrium superfluids in Bjorken, Gubser and FLRW flows reach hydrodynamic attractors after an initial-condition-dependent attractor time, with a novel nonlinear constant-anisotropy regime in Gubser evolution.
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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.