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2319 papers in quant-ph · page 1
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Doped triangular Hubbard model hosts Nagaoka supermetal
Nagaoka supermetal in the particle-doped triangular Hubbard model
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14-qubit Φ_E8 state shown to be entangled
Combining moment matrices, symmetric extension, and Lov\'asz theta: $\Phi_{\text{E8}}$ is entangled
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Recurrent nets simulate 52x52 spin lattices accurately
Parallel Scan Recurrent Neural Quantum States for Scalable Variational Monte Carlo
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Survey maps three types of backdoor threats in variational quantum circuits
Backdoor Threats in Variational Quantum Circuits: Taxonomy, Attacks, and Defenses
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Affiliation with finite von Neumann algebra yields time-optimal controls
Affiliated operators for classical and quantum control
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Grover phases deviate from pi near success probability 1
Phase Matching for a Generalized Grover's Algorithm
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Nonlinear equation replaces projection in selective quantum measurement
Quasilinear evolution versus von Neumann selective measurement
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Nonlocal non-Gaussian ops raise quantum illumination SNR
Optimal Quantum Illumination with Nonlocal Non-Gaussian Operations
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The paper proposes replacing the instantaneous collapse in quantum measurements with a…
Quantum selective measurement as a quasilinear evolution
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Nonreciprocal Floquet driving tunes complex frequencies in tweezer arrays
Floquet engineering of nonreciprocal light-induced dipolar interactions
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This paper introduces averaged accessible information from local randomized measurements…
Probing Quantum Information Scrambling via Local Randomized Measurements
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Berry phase creates chiral work asymmetry that survives decoherence
Berry-Phase-Induced Chirality in Thermodynamics
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Ge hole-spin qubits lead four modalities in control and scalability
Comparative assessment of germanium-based spin-qubit modalities: donor, acceptor, gate-defined hole, and gate-defined electron platforms
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Two thermal terms drive decoherence along stationary worldlines
Decoherence of spatial superpositions along stationary worldlines
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RL policy cuts SWAP overhead by 65-85% in qubit mapping
CO-MAP: A Reinforcement Learning Approach to the Qubit Allocation Problem
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Reflected beam shifts quantify Floquet topological invariants
Probing Floquet topological phases via non-Hermitian skin effect of reflected waves
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Erbium-doped TFLN chip stores time-bin qubits for 400 ns
Storage of telecom-band time-bin qubits in thin-film lithium niobate
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Bohmian trajectories resolve Schwarzschild singularity
Quantum resolution of the Schwarzschild singularity
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Detector efficiency kills maximal Leggett-Garg violations
Violations of the Leggett-Garg inequality in Hybrid Liouvillian Dynamics: The Nonlinear Role of Detector Efficiency
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Two-step laser protocol raises NV spin contrast 17 percent
Exploiting ionization dynamics in the nitrogen vacancy center for rapid, high-contrast spin and charge state initialization
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Spin exchange creates ultra-narrow cesium alignment resonances
Collective amplification and anisotropic narrowing of alignment signals in cesium vapor under strong spin exchange near zero magnetic field
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Lambda molasses loads six times more atoms into nanophotonic traps
$\Lambda$-enhanced gray-molasses loading and EIT cooling of neutral atoms in nanophotonic traps
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Non-uniform cellular automata run on hyperbolic lattices
Universal Design and Physical Applications of Non-Uniform Cellular Automata on Translationally Invariant Lattices
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Open boundaries make Ising duality exact and invertible
Invertible Symmetry and Spontaneous Duality Breaking in the Transverse-Field Ising Model
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Time-bin photons keep 93% entanglement after 30 km city fiber
Distribution of GHz sequential Time-bin Entanglement in a Metropolitan Fiber Network
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Quantum RAC success boost matches single-particle Bell violation
Random Access Code protocols: Quantum advantage related to intraparticle entanglement-based contextuality
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Fractional OAM charge cuts GKP sensing errors by 24 times
OAM-Induced Lattice Rotation Reveals a Fractional Optimum in Fault-Tolerant GKP Quantum Sensing
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Diffusion model cuts Trotter depth to 22% for 86% fidelity
Physics Guided Generative Optimization for Trotter Suzuki Decomposition
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Barrel-shaped coil cuts microwave inhomogeneity for NV ensembles
Uniform microwave field formation for control of ensembles of negatively charged nitrogen vacancy in diamond
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Four-terminal junctions create field-free superconducting diodes
In-situ tunable superconducting diode: towards field-free operation with infinite nonreciprocity
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Wormhole signal survives 98% coupling deletion
No chaos required: traversable wormhole signals survive 98% coupling deletion
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Bell results fit by dropping realism and avoiding conspiracy
Three ways to find comfort with the Bell proof and the results of the Bell experiments
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Contract checks catch sneaky quantum overrides in hybrid pipelines
QCIVET: A Quantum--Classical Pipeline Integrity Framework with Contract-Based Subtype Verification and Hash-Chained Audit Traces
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Quantum optimization yields better solutions but classical converges faster
Feedback-based quantum optimization and its classical counterpart: quantum advantage and the power of classical algorithms
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Neural QAOA² learns partitions and initial parameters from quantum gradients
Neural QAOA$^{2}$: Differentiable Joint Graph Partitioning and Parameter Initialization for Quantum Combinatorial Optimization
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Floquet systems quantize conductance to winding number via sideband sum
Quantized Transport in Floquet Topological Insulators
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Measurement restores probabilistic perfect state transfer in noisy spin chains
Measurement-based quantum state transfer and restoring via spin-1/2 chain interacting with environment
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Tiny non-Hermitian terms boost qubit annealing success
Quantum dynamics of two $XX$ interacting PT-symmetric non-Hermitian qubits: enhancement of quantum annealing
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Numerical method secures practical QKD against general attacks
Numerical security analysis for practical quantum key distribution
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Graviton emission sets decoherence rate by mass and separation
Microscopic Origins of Collapse Models: Decoherence from Graviton Bremsstrahlung
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Tuning Liouvillian gap speeds quantum battery charge
Liouvillian spectral control for fast charging of quantum batteries
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Qudits beat qubits in noisy molecular vibration simulations
Simulation of vibrational dynamics using qubits and qudits
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Quad-C5 graph tops contextuality gap with fewer edges than Wagner
The Quad-$C_5$ Graph: Maximum Contextuality Gap on Eight Vertices
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Precoded polar codes rival surface codes with far fewer qubits
Quantum Precoded Polar Codes
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Monitored qubit purity follows exact solvable stochastic equation
Purification of a monitored qubit: exact path-integral solution
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Closed-form matrix elements derived for periodic ECG basis
Explicitly Correlated Gaussian Basis Approach to Periodic Systems
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Auxiliary cavity loss powers nonreciprocal quantum battery
Loss-induced nonreciprocal quantum battery
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Quantum speedups arise from interference
The Physical and Contextual Limits of Quantum Speedup
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Reduced transition matrix shows logarithmic entropy growth in chaotic circuits
Low Rank Structure of the Reduced Transition Matrix
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Electron irradiation creates intrinsic emitters in thin hBN
Insights into the Nature of Quantum Emitters in Electron-Irradiated hexagonal Boron Nitride