A no-signalling-based lifting of commitment techniques yields the first single-shot loss-tolerant QPV protocol with exponential security decay in the commitment threshold k and 3.7% noise robustness.
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Physical Review A33(5), 2913–2927 (1986)
Canonical reference. 94% of citing Pith papers cite this work as background.
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Protocol learns k-local Lindbladians to ε accuracy with Õ(n^{2k}/ε²) samples and projects to valid generators; improves to log n under sparsity assumptions.
W-state graphs are precisely the matching-covered graphs with specific half-edge colorings whose 3-connected components are W-cones, enabling efficient recognition and ruling out simple graphs.
Experimental observation of OAM non-conservation in Type-I SPDC attributed to spatial walk-off, demonstrated with a sensitive two-photon OAM detector and approximation-free theory.
Native spin-changing collisions plus arbitrary quadratic Zeeman shift produce universal OAT-scalable spin squeezing in spin-1 BECs, freezable by turning the shift off.
Presents an optimized segmented surface Paul trap design achieving 5 kHz motional coupling between an antimatter H2- ion and a Be+ ion at 35 μm separation using 4 MHz axial frequencies and ~20 V static voltages.
Direct differentiation of the local energy at fixed samples yields an unbiased low-variance estimator for the variational Monte Carlo phase force in complex neural quantum states, with an adaptive mixture extending it to coupled networks and improving results on flux ladders, chiral chains, and frac
Random and explicit (r,δ) quantum LRCs and h-level hierarchical QLRCs are constructed via CSS dual-containing codes, with distance bounds, a Singleton-like bound, and an efficient decoder for the Tamo–Barg family.
Torsion of a space curve induces a Wilczek-Zee-type gauge connection in the degenerate transverse subspace of a thin-layer quantized quantum waveguide, yielding oppositely shifted parabolic dispersions and integrated-torsion holonomy.
Endpoint Kirkwood-Dirac or Margenau-Hill quasistatistics of work retain sensitivity to initial coherence under imperfect shortcuts, exposing linear signatures of control errors where population probabilities show only quadratic changes.
Geometric curvature of a metric-induced connection and non-trivial holonomies around non-contractible loops obstruct global Hermitianization of quasi-Hermitian quantum systems.
SERS uses a saturable ferromagnetic circuit to switch permanent-magnet fields linearly to a threshold then hold constant, promising orders-of-magnitude lower power and current-noise coupling than existing methods.
A structure-aware transformer trained on 3-14 qubit systems predicts Trotter orderings for 16-20 qubit 1D Heisenberg Hamiltonians with a mean fidelity gap of 0.00115 to the best of 24 candidates.
QuIC provides a training-free quantum graph embedding proven permutation-invariant and injective for labeled graphs under an irrational-angle condition in the ideal case, with empirical separation shown on noisy hardware for hard graph families including CFI instances.
PEAC extracts parameters from amplitude collapse in correlated matter-wave interferometers, yielding lower bias than conventional methods for perfectly correlated signals.
Steep expulsive potentials in 1D and 2D Schrödinger equations support continuous spectra of normalizable bound states, including even/odd states in 1D and vortex states in 2D.
Matching bounds for zero-error list decoding of pure-state CQ channels coincide under PSD overlap matrices, but the sphere-packing rate may not be achievable even for arbitrarily large fixed list sizes.
Coupled dissipative time crystals show chaotic synchronization with positive Lyapunov exponents and high Pearson correlations in the classical limit, plus analogous staggered-to-uniform crossovers and GUE statistics in quantum trajectories.
Co-optimization of flexible Iceberg error-detection gadgets with QAOA via tree search improves success probability and post-selection on Quantinuum H2-1 hardware up to 34 algorithmic qubits.
A virtual protocol based on universal source compression enables asymptotically tight finite-size security proofs for permutation-symmetrizable QKD by reducing the problem to conditional Rényi entropy estimation.
The weakly dissipative 1D Fermi gas exhibits algebraic density decay for annihilation and coagulation reactions and a mean-field directed percolation absorbing-state phase transition, extending previous lattice results to continuous space.
Finite-field Clifford dual-unitary gates fall into five transport phases whose one-site edge channels fix exact local-masking distances d1(t)=4t (perfect) or 4t-2 (delayed) and d2(t)=4t-2 or 4t-4.
At fixed active gap, common-frequency harmonic traps uniquely maximize ground-state center-of-mass variance for translation-invariant 1D many-body systems in the positivity class.
Coupled-channel quantum scattering on an ab initio potential energy surface yields pressure broadening and shift coefficients for pionic, kaonic, and antiprotonic helium transitions, and identifies pionic n=19 states as collisionally unstable.
citing papers explorer
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Arbitrarily Loss-Tolerant Quantum Position Verification in a Single Execution
A no-signalling-based lifting of commitment techniques yields the first single-shot loss-tolerant QPV protocol with exponential security decay in the commitment threshold k and 3.7% noise robustness.
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Robust Structure Learning of $k$-local Lindbladians
Protocol learns k-local Lindbladians to ε accuracy with Õ(n^{2k}/ε²) samples and projects to valid generators; improves to log n under sparsity assumptions.
-
W-state graphs: Structure and Algorithms
W-state graphs are precisely the matching-covered graphs with specific half-edge colorings whose 3-connected components are W-cones, enabling efficient recognition and ruling out simple graphs.
-
Observation of OAM non-conservation in entangled photon generation
Experimental observation of OAM non-conservation in Type-I SPDC attributed to spatial walk-off, demonstrated with a sensitive two-photon OAM detector and approximation-free theory.
-
Universal spin-squeezing dynamics in spinor condensates
Native spin-changing collisions plus arbitrary quadratic Zeeman shift produce universal OAT-scalable spin squeezing in spin-1 BECs, freezable by turning the shift off.
-
Coupling of negative-positive trapped-ion pairs
Presents an optimized segmented surface Paul trap design achieving 5 kHz motional coupling between an antimatter H2- ion and a Be+ ion at 35 μm separation using 4 MHz axial frequencies and ~20 V static voltages.
-
Low-variance estimators overcome the phase-gradient bottleneck in complex-valued neural quantum states
Direct differentiation of the local energy at fixed samples yields an unbiased low-variance estimator for the variational Monte Carlo phase force in complex neural quantum states, with an adaptive mixture extending it to coupled networks and improving results on flux ladders, chiral chains, and frac
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Quantum Hierarchical Locally Recoverable Codes
Random and explicit (r,δ) quantum LRCs and h-level hierarchical QLRCs are constructed via CSS dual-containing codes, with distance bounds, a Singleton-like bound, and an efficient decoder for the Tamo–Barg family.
-
Torsion-induced gauge structure in curved quantum waveguides
Torsion of a space curve induces a Wilczek-Zee-type gauge connection in the degenerate transverse subspace of a thin-layer quantized quantum waveguide, yielding oppositely shifted parabolic dispersions and integrated-torsion holonomy.
-
Shortcut-error signatures in coherence-retaining endpoint work quasistatistics
Endpoint Kirkwood-Dirac or Margenau-Hill quasistatistics of work retain sensitivity to initial coherence under imperfect shortcuts, exposing linear signatures of control errors where population probabilities show only quadratic changes.
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Geometric and Topological Obstructions to Hermitianization in Quasi-Hermitian Quantum Systems
Geometric curvature of a metric-induced connection and non-trivial holonomies around non-contractible loops obstruct global Hermitianization of quasi-Hermitian quantum systems.
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The Saturable Electronic Reluctance Switch: Switchable low-power and low-noise generation of magnetic fields using permanent magnets
SERS uses a saturable ferromagnetic circuit to switch permanent-magnet fields linearly to a threshold then hold constant, promising orders-of-magnitude lower power and current-noise coupling than existing methods.
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Structure-Aware Transformers for Learning Near-Optimal Trotter Orderings with System-Size Generalization in 1D Heisenberg Hamiltonians
A structure-aware transformer trained on 3-14 qubit systems predicts Trotter orderings for 16-20 qubit 1D Heisenberg Hamiltonians with a mean fidelity gap of 0.00115 to the best of 24 candidates.
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QuIC: A Training-Free Quantum Graph Embedding from Ideal Analysis to Practical Hardware Evaluation
QuIC provides a training-free quantum graph embedding proven permutation-invariant and injective for labeled graphs under an irrational-angle condition in the ideal case, with empirical separation shown on noisy hardware for hard graph families including CFI instances.
-
Parameter Estimation from Amplitude Collapse in Correlated Matter-Wave Interference
PEAC extracts parameters from amplitude collapse in correlated matter-wave interferometers, yielding lower bias than conventional methods for perfectly correlated signals.
-
The continuous spectrum of bound states in expulsive potentials
Steep expulsive potentials in 1D and 2D Schrödinger equations support continuous spectra of normalizable bound states, including even/odd states in 1D and vortex states in 2D.
-
Zero-Error List Decoding for Classical-Quantum Channels
Matching bounds for zero-error list decoding of pure-state CQ channels coincide under PSD overlap matrices, but the sphere-packing rate may not be achievable even for arbitrarily large fixed list sizes.
-
Classical and quantum chaotic synchronization in coupled dissipative time crystals
Coupled dissipative time crystals show chaotic synchronization with positive Lyapunov exponents and high Pearson correlations in the classical limit, plus analogous staggered-to-uniform crossovers and GUE statistics in quantum trajectories.
-
Iceberg Beyond the Tip: Co-Compilation of a Quantum Error Detection Code and a Quantum Algorithm
Co-optimization of flexible Iceberg error-detection gadgets with QAOA via tree search improves success probability and post-selection on Quantinuum H2-1 hardware up to 34 algorithmic qubits.
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Asymptotically tight security analysis of quantum key distribution based on universal source compression
A virtual protocol based on universal source compression enables asymptotically tight finite-size security proofs for permutation-symmetrizable QKD by reducing the problem to conditional Rényi entropy estimation.
-
Reaction-diffusion dynamics of the weakly dissipative Fermi gas
The weakly dissipative 1D Fermi gas exhibits algebraic density decay for annihilation and coagulation reactions and a mean-field directed percolation absorbing-state phase transition, extending previous lattice results to continuous space.
-
Classification and Exact Local Masking in Finite-Field Clifford Dual-Unitary Circuits
Finite-field Clifford dual-unitary gates fall into five transport phases whose one-site edge channels fix exact local-masking distances d1(t)=4t (perfect) or 4t-2 (delayed) and d2(t)=4t-2 or 4t-4.
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Center-of-Mass Bounds and Harmonic Extremality
At fixed active gap, common-frequency harmonic traps uniquely maximize ground-state center-of-mass variance for translation-invariant 1D many-body systems in the positivity class.
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Density effects in precision laser spectroscopy of exotic helium atoms
Coupled-channel quantum scattering on an ab initio potential energy surface yields pressure broadening and shift coefficients for pionic, kaonic, and antiprotonic helium transitions, and identifies pionic n=19 states as collisionally unstable.
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Leveraging Metrologically Useful States in Quantum Reservoir Networks
A quantum reservoir network using GHZ-state preparation achieves an order-of-magnitude RMSE improvement over prior QRN designs on latent-space prediction of the Kuramoto-Sivashinsky equation.
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Design rules for fault-tolerant multi-gate teleportation
For odd-distance rotated surface codes, multi-gate teleportation packets are fault-tolerant up to size ⌈d/2⌉ with a correlation-aware decoder and up to ⌊d/2⌋ with a naive decoder.
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The odd fermion at the edge: odd-even staggering in the trapped, unitary Fermi gas
In the trapped unitary Fermi gas an odd particle number produces an edge-localized quasiparticle whose energy contribution scales as Q to the power 1/9.
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Feasibility-driven QAOA with penalty scheduling
Introduces Λ-lr-QAOA and piecewise-ramp QAOA that promote penalty schedules to variational parameters and use a feasibility-driven loss on budget-constrained MWIS satellite planning instances.
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Low Spatial Cost CCZ Magic State Factory
A design framework that converts an eight-to-three CCZ distillation protocol into a joint-measurement surface-code layout using smaller patches, claimed to cut spatial cost versus Gidney-Fowler while preserving leading-order error suppression and single-fault detection.
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Faking entanglement with imperceptible measurement deviations
Adversarially encoded measurement deviations as small as 0.23% can produce false certification of high-dimensional entanglement in provably separable systems, demonstrated experimentally with classical photonic states up to 61 dimensions.
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Stable, bidirectional electro-optic transduction in thin film lithium tantalate
First demonstration of stable bidirectional microwave-optical transduction in thin-film lithium tantalate with ~1 kHz coupling rates, multi-day static-bias operation, and low added noise.
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Dissipative Channels Determine Open Electromagnetic Quantization
A quantization scheme for open EM systems derives fluctuation channels from the dissipation geometry of the Maxwell operator, separating medium-assisted and boundary-assisted reservoirs to obtain general Green-function input-output relations.
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Thermalization in Spatially Extended Open Quantum Systems: Local versus Global Markovian Evolution
Repeated-collision model produces a thermodynamically consistent local Lindblad equation for extended qubit systems that crosses over to the global secular form at longer times.
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Programmable high-harmonic emission in solids through photon pathways
High-harmonic emission in solids is made programmable by tuning effective nonlinear order and intrinsic emission phase within a photon-pathway framework, unifying modulation types across materials.
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Perfect transmission and parallel composition for quantum walks on graphs with two leads
Derives scattering matrix formulas for quantum walks on two-lead graphs and characterizes perfect transmission via additive quantities μ1, μ2, ν under parallel composition.
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C-Phase-Aware Compilation for Efficient Fault-Tolerant Quantum Execution
A microarchitecture-aware compiler for lattice surgery that exploits C-Phase commutativity to enable concurrent multi-target operations and dynamic event-driven scheduling, cutting execution time by up to 59.7 times versus standard baselines.
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Linear-Time T-Gate Optimization via Random Abstraction
A linear-time randomized static analysis that propagates constant-width bitstrings enables phase folding and T-count optimization matching SOTA tools on large circuits.
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Robust Mutation Analysis of Quantum Programs Under Noise
Noise from quantum hardware simulators significantly alters mutant detection distances, making equivalent mutants harder to separate from faults, with output-distribution metrics reaching 73.03% accuracy and 74.89% F1-score under device-specific thresholds.
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Multiplayer parallel repetition without dependency-breaking and anchoring variables: monotonic, concave amplification
Monotonic concave amplification functions of the form N minus the product of exponentials yield decay rates for the optimal value of multiplayer games under parallel repetition.
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Entanglement Generation During Distribution via Spatial Superposition
Coherent superposition of noisy links transforms separable quantum states into entangled states during distribution, turning noise into a constructive resource.
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Branch-Resolved Characterization of Feed-Forward Error in Dynamic Teleportation via Classical Choi Shadows
Branch-resolved Choi-shadow benchmarking of teleportation shows the relative benefit of PROM mitigation vs post-processing flips depending on mid-circuit readout error.
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High-Rate Free-Space Continuous-Variable QKD with Self-Referenced Passive State Preparation
A self-referenced LLO CVQKD system with passive state preparation achieves 10.34 Mbps asymptotic secret key rate over 23.5 dB loss free-space channel with low excess noise and turbulence robustness.
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Lottery BP: Unlocking Quantum Error Decoding at Scale
A randomized, locally-guided belief-propagation decoder breaks degeneracy deadlocks in quantum error correction, reducing logical error rate and expensive global-decoder invocations by orders of magnitude.
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Operational criterion for Wigner function negativity
Absence of coherent superpositions in the coherent-state basis is a sufficient condition for Wigner function positivity, necessary and sufficient for cat states and limiting cases of higher-order cat states.
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Photon pairs, squeezed light and the quantum wave mixing effect in a cascaded qubit system
Suppressing the coherent Rayleigh component in the source qubit's fluorescence in a cascaded two-qubit waveguide-QED system makes the probe's quantum wave mixing spectrum suppress sidebands from odd numbers of source photons, confirming correlated photon pair participation.
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Database Reordering for Compact Grover Oracles with ESOP Minimization
Reordering database addresses before ESOP minimization produces smaller QROM circuits for Grover oracles, with simulated annealing yielding roughly 30% size reduction over fixed ordering for small N.
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Loss-aware state space geometry for quantum variational algorithms
Loss-aware natural gradient variants are introduced by embedding the loss hypersurface in a statistical manifold or using quantum state overlaps, yielding conformal updates that adjust effective step size.
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Critical speed of a binary superfluid of light
The critical speed of a 2D binary superfluid of light is set by the lowest Landau velocity of density and spin Bogoliubov modes or by strong ellipticity of the hydrodynamic equations, with breakdown initiated by vortex-antivortex pairs or Jones-Roberts solitons.
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Stabilizer Code-Generic Universal Fault-Tolerant Quantum Computation
Ancilla-mediated protocols enable deterministic universal logical gates on any stabilizer code without ancilla consumption or code modification.
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DeepQuantum: A PyTorch-based Software Platform for Quantum Machine Learning and Photonic Quantum Computing
DeepQuantum is a PyTorch platform that unifies quantum circuits, photonic quantum circuits, and measurement-based quantum computing in one open-source framework for hybrid models and variational algorithms.