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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Geometric and Resource-Theoretic Characterisation of Non-Stabiliserness in Quantum Algorithms
Introduces permutation-agnostic distance measures to quantify non-stabiliserness consumption and shows structured variational methods use it more efficiently than unstructured ones with greater classical optimisation freedom.
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Many-Body Simulations of the Fast Flavor Instability
Many-body correlations disrupt the inhomogeneous fast flavor instability, with flavor transformation timescale scaling logarithmically with system size.
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Nonstabilizerness and Error Resilience in Noisy Quantum Circuits
Amplitude damping generates nonstabilizerness in qubit systems unlike depolarizing noise, with local injection washed out collectively after encoding, decoding, and postselection.
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Turquoise Magic Wavelength of the ${}^{87}$Sr Clock Transition
Experimental measurement of the 87Sr clock transition magic wavelength at 497.4363(3) nm, providing deeper traps and higher sensitivity than the 813 nm wavelength.
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Emergent quantum field theories on curved spacetimes in spinor Bose-Einstein condensates: from scalar to Proca fields
Derives emergent QFTs including Proca fields from spinor BEC excitations on bi- or tri-metric curved spacetimes, enabling potential simulation of cosmological Proca particle production.
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Learning Encodings by Maximizing State Distinguishability: Variational Quantum Error Correction
VarQEC uses a distinguishability loss as a machine-learning objective to variationally discover resource-efficient encoding circuits optimized for given noise models.
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Efficient witnessing and testing of magic in mixed quantum states
Efficient witnesses and testing algorithms based on stabilizer Rényi entropy certify and quantify magic in mixed states, with experimental demonstration on IonQ hardware showing robustness under strong noise.
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Generalized neutrino isocurvature
Generalizes neutrino isocurvature by introducing a mixing angle for the neutrino-matter perturbation ratio and derives first Planck limits on the angle.
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Theory of Linear Magnetoresistance in a Strange Metal
A minimal model of electrons coupled to quantum critical bosons through disordered Yukawa interactions and pinned density waves derives T-linear and B-linear transport scalings that match strange metal experiments.
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Tensor Cross Interpolation of Purities in Quantum Many-Body Systems
Tensor cross interpolation learns entanglement features of quantum states with polynomial samples assuming finite MPS bond dimension.
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High-throughput study of kagome compounds in the AV3Sb5 family
High-throughput DFT identifies 36 thermodynamically stable kagome compounds in the AV3Sb5 family, including substitutions with Au, Hg, Tl, and Ce, many exhibiting Dirac points, Van Hove singularities, or flat bands near the Fermi level.
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Noisy dynamics of Gaussian entanglement: a transient bound entangled phase before separability
A three-parameter family of generalized four-mode squeezed vacuum states exhibits a transient bound-entangled phase under thermal bath noise before separability.
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Probing superconductivity with tunneling spectroscopy in rhombohedral graphene
A microscopic tunneling approach is developed showing that scanning tunneling spectroscopy can distinguish commensurate and incommensurate single-q pairing states and a three-q moiré superconductor in rhombohedral graphene via broken time-reversal symmetry features and spatial Andreev conductance.
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Near-Term Fermionic Simulation with Subspace Noise Tailored Quantum Error Mitigation
SNT merges SV and PEC for subspace-tailored error mitigation in Trotterized FHM simulations, mapping out optimal combinations by hardware quality and shot budget while quantifying when noisy devices could surpass classical methods.
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Intervalley-Coupled Twisted Bilayer Graphene from Substrate Commensuration
Substrate commensuration induces intervalley coupling in TBG, hybridizing flat bands into a p_x-p_y honeycomb model with quadratic touchings that flatten due to frustration and yield topological bands with C up to 4.
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Topological altermagnetic Josephson junctions
Altermagnets enable planar Josephson junctions that host Majorana end modes controlled by crystallographic orientation, extending naturally to high-Tc platforms.
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Highly Excited Electron Cyclotron for QCD Axion and Dark-Photon Detection
Proposes resonant detection of QCD axions (0.1-2.3 meV) and dark photons (down to epsilon ~2e-16) via highly excited electron cyclotron states in an open-endcap Penning trap compatible with large cavities.
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Low-overhead fault-tolerant quantum computation by gauging logical operators
Introduces a gauging-based method for fault-tolerant logical measurement achieving qubit overhead linear in operator weight up to polylog factors, adaptable to arbitrary codes.
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Active assembly and non-reciprocal dynamics of elastic membranes
Adhesive non-thermal fibers in active fluid assemble into elastic membranes exhibiting global limit cycles due to non-reciprocal coupling between deformations and polar alignment.
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Spinfoams, $\gamma$-duality and parity violation in primordial gravitational waves
γ-duality in the EPRL spinfoam model determines the relation between parity-even and parity-odd terms in an effective gravity theory, allowing the Barbero-Immirzi parameter to be measured from inflationary tensor observables.
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Generalized transmon Hamiltonian for Andreev spin qubits
A flat-band approximation of the Richardson model permits exact diagonalization of the generalized transmon Hamiltonian for Andreev spin qubits, simultaneously incorporating charging energy, phase fluctuations, and spin-phase coupling.
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Gravitational-wave parameter estimation with gaps in LISA: a Bayesian data augmentation method
Bayesian data augmentation reintroduces missing LISA data segments as auxiliary variables during posterior sampling to enable consistent parameter estimation for galactic binaries despite gaps.
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Exact dimer ground states of long-range spin chains and ladders
Explicit conditions are given under which dimer states are guaranteed ground states in generalized Majumdar-Ghosh spin chains and ladders with arbitrary-range and anisotropic interactions, validated by exact diagonalization.
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Local Minimum of Spin-Sector Magic at the CP-Conserving Point in Low-Energy Neutron-Proton Scattering
Within a restricted low-energy spin-sector ansatz for n-p scattering, direction-averaged magic is locally minimized at the CP-conserving point heta-bar=0 when the effective phase equals heta/4 or lies in specific windows.
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Time-dependent adaptive mesh refinement solver for the Gross-Pitaevskii-Poisson equations
A new AMR solver for the time-dependent GPP system is developed and validated on nonlinear test problems, preserving conservation laws and resolving wave features.
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Hall viscosity from metric-sensitive dichroic probes
Circular dichroism signals from chiral metric-modulating drives directly measure Hall viscosity while frequency resolution separates it from other modes.
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Pseudo entropy and topological phases of matter
Pseudo entropy distinguishes topological from trivial phases in the SSH model via sign of averaged excess entropy ΔS12 and tracks quench critical times with its imaginary part.
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Dynamical decoupling of a quantum dot spin in a micropillar cavity for spin-multiphoton entanglement
Dynamical decoupling extends QD electron spin coherence to 298 ns and improves simulated spin-photon-photon entanglement fidelity by 20% in a micropillar cavity.
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The cosmology of long range Yukawa interactions in general backgrounds
Generalization of scalar-fermion Yukawa systems in constant-EOS cosmologies identifies scaling regime with constant energy density ratio from approximate scale invariance and asymptotic regime recovering bare mass.
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Active diffusion enhances plankton carbon capture and phycosphere radius
Active mixing by plankton boosts carbon influx, photosynthetic turnover, and phycosphere radius via enhanced diffusivity derived analytically and checked with simulations.
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Barocaloric phase transformation from data efficient fine-tuning of machine learned interatomic potentials
Fine-tuning the MACE-MPA-0 foundation model on 5-10 60-atom DFT configurations reproduces the barocaloric phase transformation in ammonium sulfate, while training from scratch fails at these sizes.
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Hadronisation of in-medium $c\bar c$ pairs to the exotic $X(3872)$
Hadron ratios for J/Ψ, Ψ(2S) and X(3872) are linked to the separation and dissociation of in-medium c cbar pairs through Fermi Golden rule overlaps between in-vacuum and in-medium wave functions.
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A Correlation Aware Quantum Feature Map for Variational Quantum Classification
CAQFM adds controlled quantum gates based on Pearson, Spearman, Kendall Tau, Mutual Information, and Distance Correlation measures to create richer feature maps, yielding higher accuracy than standard maps in VQC simulations on three benchmark datasets.
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Renormalization effects fade away during inflation
Inflation dynamically suppresses the renormalization sector, rendering the observable primordial spectrum insensitive to renormalization ambiguities.
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Distribution Complexity of Electronic Structure Simulations on Quantum Supercomputers
An algorithm is presented for estimating distribution complexity of electronic structure Hamiltonians, with O(N^3) entanglement estimation per fragment and quadratic/exponential reductions in distribution cost for quantum and classical interconnects.
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Solution gate control of shallow silicon vacancy charge states in diamond
Demonstrates reversible SiV- to SiV0 charge-state conversion in ultra-shallow diamond ensembles via sub-200 mV aqueous electrolytic gating after mapping termination-dependent populations.
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The pole truth: an analytical graviton propagator from Asymptotic Safety
Analytical approximation to the graviton propagator from Asymptotic Safety shows no extra poles and identifies a mechanism where spurious pole residues vanish at higher orders.
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Improving the efficiency of Hartree--Fock--Bogoliubov solvers in 3D space
A generalized conjugate gradient method is proposed for faster, preconditioner-free self-consistent solution of 3D Hartree-Fock-Bogoliubov equations in nuclear theory.
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Dislocation-templated antiferromagnetic domains in epitaxial NiO
Interface misfit dislocation networks deterministically template and pin antiferromagnetic twin-domain walls in epitaxial NiO/MgO(001), with domain contrast re-emerging at identical sites after thermal cycling across the Neel temperature.
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Interplay between photon condensation and electron-electron interactions in molecular systems
Minimal molecular model of interacting electrons in plaquettes coupled to cavity photons shows that electron-electron interactions can induce first-order photon condensation transitions except at half-filling and single-electron cases.
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New sum rules of the Koide type
An inverse Koide sum rule is reported for down quarks with comparable numerical precision to the lepton rule, reaching Koide ratio 2/3 at 280 TeV under SM RG running.
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Mixed Dark Matter: Limits from the Milky Way Satellite Galaxies
New 95% confidence limits on mixed fuzzy dark matter mass and interacting dark matter cross sections are set using Milky Way satellites for beyond-CDM fractions down to 50%, with power-law weakening of bounds and forecasts for future surveys.
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Range-controlled entanglement in Lindbladian skin states of monitored fermions
Short-range hopping yields complete skin accumulation with area-law entanglement while long-range hopping produces bulk tails and algebraic sub-volume-law entanglement in Lindbladian skin states of monitored fermions.
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Demystifying Objectivity with Operator Algebra Quantum Error Correction
Objectivity emergence in quantum Darwinism is identified with algebraic local recoverability in quantum codes, yielding precise characterization for stabilizer codes.
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Krylov Complexity: Flat bands and Carroll breaking deformations
Krylov complexity growth distinguishes phase-dependent resilience of Carrollian sectors in all-bands-flat fermionic ladders against delocalizing perturbations and exhibits UV sensitivity in a continuum Carroll scalar field with gradient deformation.
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Energetics, shearing and pumping efficiency of propagating contractions over villi-patterned wall
Pendular-wave motility over villi primarily shears the mucus barrier with pumping efficiency orders of magnitude below peristalsis, making bulk pumping unlikely its main role.
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Spin-polarization of the electric current in half-metallic Co$_2$MnSi Heusler thin films
Propagating spin wave spectroscopy on Co2MnSi Heusler films shows fully spin-polarized current consistent with half-metallicity and estimates the non-adiabatic spin-transfer-torque parameter.
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Continuous-Variable Quantum State Tomography Enabled by Quantum Mirrors
Quantum mirrors transfer complete photonic continuous-variable state information to an atomic control system, enabling tomography via atom measurements alone using kernel functions and Wigner reconstruction.
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Post-Selection Free Generation of Multi-Photon Added Coherent States
Protocol for post-selection-free generation of high-fidelity multi-photon added coherent states via photon blockade in a driven Kerr resonator.
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Experimental Tests of Radio-Frequency Heating Saturation in Ultracold Neutral Plasmas
Experiments in ultracold neutral plasmas find no observable saturation of RF heating despite v_osc comparable to v_th, with better agreement to linear response and binary collision theories when using quiver-velocity-dependent cutoffs.