Quantum Physics · Physics & Astronomy
Quantum Physics
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3,630 papers, from 4 September 2026 to 5 November 2026: 3,630 arXiv preprints.
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Newest papers, page 65
EntangledEdge: A Distributed System for Orbital Quantum Sensing and Learning
An orbital quantum sensor is more precise than classical and holds its information in a quantum state's superposition and entanglement, which classical measurement collapses.Prototype-Guided Optimization of Quantum Data Embeddings with Linear Cost
In supervised quantum machine learning with classical data, classification performance critically depends on the geometry induced by quantum data embedding.Margin-Based Generalization for Quantum Machine Learning with Classical Data Encoding
Understanding generalization is essential for assessing the practical viability of quantum machine learning.Certifying Nonlocal Spin Quantum Entanglement from Local Tunneling Spectra
Quantum entanglement is intrinsically nonlocal, whereas tunneling spectroscopy measures one site at a time.Quantum-Correlation-Based Multi-Emitter Localization in Information-Limited Regimes via Learned Inference
Quantum correlation measurements have emerged as a powerful tool for localizing multiple emitters with subwavelength separation.Local response theory of multiparameter sudden-quench quantum Otto engines
Multiparameter quantum Otto engines raise an optimization problem absent in single-parameter cycles: which small quench vector maximizes the quadratic approximation to the exact output work in a…Logical-Space Theory of Ordered-Statistics Decoding for Quantum LDPC Codes
Quantum decoding succeeds when a correction matches the logical class of the error, whereas ordered-statistics decoding (OSD) searches a finite list of physical corrections.Exact Quantum Query Complexity of the Five-Bit Symmetric Boolean Function $\Exact^5_{3,4}$
Let \(f = \text{EXACT}^5_{3,4}\) be the Boolean function that equals 1 exactly on inputs of Hamming weight 3 or 4.Comment on "The polarization hierarchy for polynomial optimization over convex bodies, with applications to nonnegative matrix rank"
We revisit the feasibility and convergence claims for the polarization hierarchy of Plávala, Ligthart and Gross [Linear Algebra Appl.\ 723 (2025) 15--32].Ergotropy of nonequilibrium steady states beyond the full secular approximation
Understanding the generation and activation of ergotropy, the maximum work extractable by cyclic unitary operations, is central to quantum battery research.Concatenated continuous-drive protection of exchange-based spin-qubit gates
Exchange-based two-qubit gates in semiconductor spin qubits are sensitive to low-frequency detuning noise and control errors.Collective Strong Quantum Mpemba Effect in Accelerated Quantum Detectors
Collective coupling to the Minkowski vacuum allows uniformly accelerated quantum detectors to exhibit a strong quantum Mpemba effect, in which a state initially farther from equilibrium relaxes…Efficient Quantum Algorithm for Mixed-State Quantum Geometry
Mixed-state quantum geometry plays a fundamental role in quantum metrology, multiparameter estimation, and the characterization of quantum many-body systems.BQP^cc is not contained in MA^cc
We exhibit a bipartite language with a poly-logarithmic quantum communication protocol and polynomial Merlin-Arthur communication complexity.Adiabatic controlled-$Z$ gate for neutral atoms with Förster-enhanced Rydberg dressing
We study an adiabatic controlled-$Z$ (CZ) gate for neutral atoms in which dipole-dipole coupling between nearly degenerate Rydberg pair states enhances the interaction between dressed ground states.Low-Field J-Coupling Spectroscopy Measured with a Diamond Nitrogen Vacancy Spectrometer
Nitrogen vacancy centers in diamond (NVs) are point defects well suited to quantum sensing of magnetic fields.Characterizing Local and Correlated Pauli Noise in Quantum Teleportation Circuits
We analytically characterize how the location and the local or correlated structure of stochastic Pauli errors affect a three-qubit coherent quantum-teleportation circuit.Where should we look for the deviation from quantum mechanics?
We argue that the experimental measurement of the lifetime and decay law of metastable helium is a promising way to find a deviation from quantum mechanics.Quantumness of Entanglement in Schwarzschild de Sitter Spacetime
We investigate genuine multipartite entanglement and genuine tripartite nonlocality of a noisy generalized GHZ state in Schwarzschild-de Sitter spacetime.Development of a fabrication-to-benchtop process for SiN-based quantum devices
Silicon nitride has emerged as a key material for the advancement of future quantum communication and computational devices.