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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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.
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.
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.
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Mpemba Effect in an Expanding Lieb-Liniger Bose gas in a hard wall box
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A generic $\omega_b$ tension in early-time solutions to the Hubble tension
Early-time Hubble tension solutions generically raise the preferred baryon density ω_b, conflicting with BBN deuterium constraints and producing poorer fits to CMB, BAO, supernova, and BBN data than ΛCDM.
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Statistics of Matrix Elements of Operators in a Disorder-Free SYK model
In the disorder-free SYK model, off-diagonal matrix elements of operators built from n≥4 Majorana fermions follow a generalized inverse Gaussian distribution.
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Probing soft signals of gravitational-wave memory with space-based interferometers
Space-based detectors can measure soft displacement-memory signals from gravitational waves at SNR greater than or equal to 10.
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CPT Violation, Mirror World and Implications for Baryon Asymmetry
A globally CPT-symmetric paired-universe model with local violations produces inflaton mass splitting that modifies reheating and accounts for observed matter-antimatter asymmetry.
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Effects of Self-Interaction and of an Ideal Gas in Binary Mergers of Bosonic Dark Matter Cores
Self-interaction changes the energy-mass scaling of BECDM core mergers from E proportional to minus M cubed to milder forms, altering mass retention, while an ideal gas only modifies the gravitational background without changing the bosonic scaling.
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Phonon frequency comb close to an isolated Einstein mode in InSiTe3
InSiTe3 shows a self-organized phonon frequency comb near an isolated Einstein mode at ~500 cm^{-1} with pronounced anharmonicity and anomalous temperature dependence near 200 K.
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Holographic timelike entanglement and subregion complexity with scalar hair
Scalar hair breaks the time-independence of imaginary HTEE, introduces nontrivial Δt dependence, causes analytic continuation to fail, and makes timelike subregion complexity real-valued with interior-only UV-finite contributions in BTZ.
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General gravitational properties of neutron stars: curvature invariants, binding energy, and trace anomaly
Roughly half of realistic neutron-star equations of state produce stars with negative Ricci scalar inside, and an improved analytic fit links gravitational mass M to baryonic mass Mb with maximum 3 percent variance.
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Various electronic crystal phases in rhombohedral graphene multilayers
Rhombohedral graphene multilayers show an isospin cascade of electron crystal phases with non-zero Chern numbers and nearly degenerate topological states hosting extended quantum anomalous Hall effect as carrier density rises.
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Detection of Lensed Gravitational Waves in the Millihertz Band Using Frequency-Domain Lensing Feature Extraction Network
DCL-xLSTM neural network detects lensed GW events with AUC over 0.99 using training on PM and SIS lens models in the millihertz band.
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Isocurvature-induced features in multi-field Higgs-$R^2$ inflation
Numerical multi-field analysis of Higgs-R² inflation with kinetic mixing identifies two regimes: moderate ξ_h produces localized features in the curvature power spectrum via isocurvature transfer, while weak ξ_h leaves a nearly featureless spectrum with residual isocurvature.
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Counting voids and filaments: Betti Curves as a Powerful Probe for Cosmology
Betti curves from persistent homology of large-scale structure provide complementary cosmological constraints on ns, sigma8, and Om, with tighter bounds when analyzed jointly with the power spectrum.
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Adiabatic charge transport through non-Bloch bands
Non-Bloch bands in a non-Hermitian extended SSH model support adiabatic charge transport that preserves quantized flow when the bands remain gapped during time evolution.
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Traversable wormhole with double trace deformations via gravitational shear and sound channels
Double trace deformations create traversable wormholes in AdS5 black branes via gravitational shear and sound channel perturbations that violate ANEC in the hydrodynamic limit.
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Probing Dark Energy Microphysics with kSZ Tomography
Fisher-matrix forecasts for LSST- and CMB-S4-like surveys show kSZ tomography tightens constraints on dark energy parameters w0 and wa by 15% and 32% while assessing detectability of perturbations for different sound speeds.
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Constraining the four-light quark operators in the SMEFT with multijet and VBF processes at linear level
Multijet and VBF processes can constrain directions in the ten-dimensional space of four-light quark operator Wilson coefficients in SMEFT via linear SM interference.
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Proximity-induced superconductivity and emerging topological phases in altermagnet-based heterostructures
Theoretical derivation of proximity-induced even-parity pairings in d-wave altermagnets coupled to s-wave superconductors, and emergence of weak and strong topological phases when Rashba SOC is included.
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Harnessing Non-convex Quantum Correlations of Independent Qubits
Derives state-independent consistency tests for qubit correlations from uncertainty relations that capture non-convex boundaries and enable device inference plus strengthened separability tests.
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Strong-to-weak spontaneous symmetry breaking of higher-form non-invertible symmetries in Kitaev's quantum double model
Decohered non-Abelian Kitaev quantum double states exhibit strong-to-weak spontaneous symmetry breaking of non-invertible higher-form symmetries and form an information convex set whose dimension equals the pure-state ground-state degeneracy.
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Three-dimensional flat bands and possible interlayer triplet pairing superconductivity in the alternating twisted NbSe$_2$ moir\'e bulk
First-principles calculations reveal three-dimensional flat bands in alternating twisted NbSe2 moiré bulk at small twist angles after large-scale relaxation, with out-of-plane mirror symmetry suggesting possible interlayer triplet superconducting pairing.
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Discriminating scalar ultralight dark matter from quasi-monochromatic gravitational waves in LISA
Numerical study with realistic LISA orbits and Bayesian methods finds that scalar ULDM signals can be discriminated from quasi-monochromatic GW signals.
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Dissipation-Induced Steady States in Topological Superconductors: Mechanisms and Design Principles
Establishes correspondence between equilibrium Majorana zero modes and non-equilibrium kinetic zero modes in dissipative topological superconductors, derives algebraic relation for their numbers, and proposes dissipation engineering recipes demonstrated on Kitaev chain.
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Probing ultrafast heating and ionization dynamics in solid density plasmas with time-resolved resonant X-ray absorption and emission
Time-resolved resonant X-ray absorption and emission spectroscopy diagnoses ultrafast heating and ionization dynamics in laser-solid interactions, with multi-scale simulations constraining plasma parameters via detailed laser and pre-plasma accounting.
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Space and Time Cost of Continuous Rotations in Surface Codes
Catalyst towers reduce runtime and spacetime volume for continuous rotations in surface codes at small and medium distances in phase oracle and variational state preparation circuits for option pricing.
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Parameter Estimation with Targeted Eccentric Numerical-Relativity Simulations for GW200208_22 and GW190620
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Specific heat and density anomaly in the Hubbard model
Strongly correlated Hubbard model displays three maxima in specific heat as a function of filling, accompanied by a density anomaly in the thermal expansion coefficient.
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New Methods for Offline GstLAL Analyses
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$\mathcal{PT-}$Symmetric Two-Level Open Quantum Systems: Information Theoretic Facets
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Probing the topological protection of edge states in multilayer tungsten ditelluride with the superconducting proximity effect
SQUID measurements on multilayer WTe2 show asymmetric interference patterns and a sawtooth current-phase relation at the edge, indicating ballistic supercurrent over 600 nm as evidence for second-order topological insulator character.
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Holonomic quantum computation: a scalable adiabatic architecture
Introduces a framework for universal fully holonomic adiabatic gates in Rydberg atom systems with geometric robustness analysis.
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Greybody factors, reflectionless scattering modes, and echoes of ultracompact horizonless objects
High-frequency quasi-reflectionless scattering modes in the greybody factors of ultracompact horizonless objects are responsible for echoes in the time-domain response.
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Ultimate tradeoff relation of quantum precision limits in multiparameter linear measurement
Establishes an ultimate tradeoff relation constraining quantum estimation precision limits in multiparameter linear measurements, rooted in the Heisenberg uncertainty principle, with a condition for saturation and phase-based weight allocation.
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From spin squeezing to fast state discrimination
In the large-N limit, spin squeezing torsion yields a nonlinear qubit governed by the two-state Gross-Pitaevskii equation that solves single-input state discrimination on the Bloch sphere.
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Chaos in Inhomogeneous Neutrino Fast Flavor Instability
Small initial flavor perturbations in an inhomogeneous neutrino distribution exhibit chaotic divergence at small scales while domain-averaged density matrices stay stable.
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On the influence of device handle in single-molecule experiments
An analytical model is derived to predict handle stiffness artifacts in SMFS experiments, showing that ignoring them causes over- or underestimation of macromolecule stability properties and transition thresholds.
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Input-driven analysis in predicting nuclear charge radii using Monte Carlo dropout Bayesian neural network
Monte Carlo dropout Bayesian neural network trained with physics inputs reproduces abrupt charge-radii increase near N=60 for Z=37-40 and shell quenching at N=126, achieving comparable RMSD on training and validation sets.
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Van Hove Singularity and Phase Instability: Exploring the Role of Electron Correlation in the Magnetic Behavior of $\mathrm{Fe}_{16}\mathrm{N}_2$
GGA+U calculations on Fe16N2 identify a van Hove singularity near the Fermi level that links electron correlation to magnetic properties and the material's phase instability.
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Solving Einstein Field Equations on a Digital Quantum Computer
A quantum algorithm for evolving Schwarzschild spacetime in the WEBB NR formalism is implemented in Qiskit and tested on simulators and IBM quantum computers.
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Interaction geometry and ground-state properties of sparse quantum lattice models
Symmetry and frustration in power-of-p and Fibonacci graphs drive distinct ground-state phase behaviors in sparse long-range quantum models, unified by an effective-geometry principle.
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Optimizing resource allocation for accuracy in noisy variational quantum algorithms
A simulation-derived phenomenological model optimizes the trade-off between quantum circuit size and iteration count to minimize total gate operations for a desired accuracy in noisy VQE algorithms.
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Constraints on Cosmic Strings from the Curl-Mode CMB Lensing Power Spectrum measured by ACT DR6
ACT DR6 curl lensing yields 2σ bounds Gμ P^{-1} ≤ 3.5×10^{-5} (small-P) and Gμ ≤ 5.0×10^{-5} (P=1), tightened further with Planck 2013 data.
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Phonons and magnetism of kagome FeGe probed by nuclear resonant scattering
Nuclear resonant scattering detects phonon hardening at specific energies in the CDW phase of FeGe with minimal phonon or hyperfine changes in the incommensurate magnetic phase.
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Polarized Nuclear DVCS at the EIC
A model for polarized nuclear DVCS on ³He is simulated for 9×166 GeV e³He collisions at the EIC, showing early data enable precise measurements of unpolarized CFF H but polarized tilde H requires substantially more luminosity.
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Percolation and clustering in ecological communities: A dynamical theory
Introduces a discrete Lotka-Volterra model on random interaction graphs to analytically link dynamical accessibility of equilibria to the onset of percolation and clustering in ecological communities.
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Measurement circuit ansatz: Naimark versus quantum neural-network measurements
Presents Naimark, hybrid Naimark-QNN, and fully QNN circuit constructions for general measurements and shows QNN versions reach near-optimal performance in minimum-error and maximum-confidence state discrimination with fewer training iterations.
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Fluctuation-induced and quantum effects in nanofluidic transport
Review of nanoscale liquid-electron couplings with analytical formulas for hydro-electronic transport coefficients from quantum friction effects.
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Circuit-Level Noise Estimation via Shuttling in Plaquette Circuits
A method is developed for estimating QEC circuit-level noise from single-shot surface code plaquette experiments in FRESH and RECYCLE configurations, tested on IonQ and IBM hardware.
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Nuclear Reaction Data for Fission Products Off Stability
Presents methodology for constraining nuclear reaction models for fission products off stability via deformation accounting and machine learning, with preliminary comparisons to simplified approaches.