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 131
Investigating entanglement dynamics with dynamical decoupling together with initial qubit-reservoir correlations
We study the exact entanglement dynamics of two qubits coupled to a common bosonic reservoir through a pure dephasing interaction.Robust constrained optimization of nonequilibrium Casimir repulsion in a biased-semiconductor cavity
Nonequilibrium electromagnetic fluctuations offer a route to repulsive Casimir--Lifshitz forces.Single-photon addition to multimode quantum fields at telecom wavelengths using lithium niobate and its doped variants
Multimode spectro-temporal non-Gaussian quantum states of light play a crucial role in continuous-variable quantum information processing.Quantum transmission in 1D disordered stealthy hyperuniform Kronig--Penney-like models
Disordered stealthy hyperuniform (SHU) systems are emerging as platforms for controlling classical and quantum transport due to vanishing single-scattering contributions in the stealthy regime.The complexity of entangled graph colouring via polymorphisms
Constraint satisfaction problems (CSPs) with operator assignments to the variables provide a well-structured setting to study the decision complexity of the entangled value of classes of nonlocal…Generalised Bit-Vector Abstractions for Formal Verification of Quantum Error-Detection and Entanglement Circuits over {H,X,C-NOT}: CSS Constructions, Soundness, and Mutation-Based Validation
Formal verification of quantum circuits becomes difficult as circuit size grows because exhaustive reasoning over the Hilbert space is computationally expensive.Exponentially Compressed and Garbage-Free Alias Sampling for Polynomial State Preparation
Coherent alias sampling implement an important subroutine for block encoding and qubitization based quantum simulation using quantum lookup table.Exponential separation in sensing continuous signals via squeezing
Quantum sensing traditionally focuses on using quantum resources such as squeezing and entanglement to improve precision for sensing fixed signals.Polarisation-resolved identification of spontaneous four-wave mixing processes in a multimode fused tapered fibre coupler
Integrated quantum photonics benefits from photon-pair sources that generate photons directly in waveguides, where they can be efficiently collected, routed, and manipulated.A Separation Between Types of Quantum Oracle Separations
Recent works have demonstrated that quantum oracles have subtle behavior, as access to inverse, conjugate or controlled queries can exponentially change the query complexity of certain tasks.When Error Mitigation Makes Things Worse: Budget-Aware Evaluation, Extrapolation Failure, and the Calibration Trust Boundary
Error mitigation is expected to turn noisy quantum measurements into more useful estimates.Does the Readout Bypass Leak the Input? A Feature-Visibility Audit of Hybrid Quantum-Classical Models
Readout-side residual hybrids concatenate raw inputs with measured quantum features.Ergotropy from energetic coherence and the third law of thermodynamics
We study the ergotropy and the thermodynamic potentials of a qubit battery charged by repeated interactions with clusters of thermal ancillas, qubits or oscillators, through a composite system-bath…Exact Diagonal Completion on Reachable Subspaces: Application to QAOA Placement
Unused encoding states offer opportunities to simplify quantum circuits.Quantum Query Complexity for List Search
Searching in a linked list is one of the most basic problems in classical algorithms.Generating random unitaries by products of conjugated Hamiltonian evolutions
Random unitary operations are a fundamental resource for quantum information processing, yet provably generating them with experimentally available controls remains challenging.Geometric estimation of NV charge-state contributions from a low-dimensional spectral representation
Nitrogen-vacancy (NV) centers in diamond exist in neutral (NV0) and negatively charged (NV-) states, and quantifying their respective photoluminescence (PL) contributions is important for…The Generalized Semi-Clifford Conjecture Holds at Level 4
The Clifford hierarchy $\mathsf{C}_1 \subset \mathsf{C}_2 \subset \cdots$ was introduced by Gottesman and Chuang (arXiv:quant-ph/9908010) to characterize gates that admit fault-tolerant…Rayleigh-Wood Threshold Controls Nonlinear Photon Correlations in Atomic Arrays
Two-dimensional atomic arrays provide versatile free-space quantum optical interfaces by coupling photons to collective lattice modes.Experimentally Testable Quantum Advantage in Shallow Circuits
Experimental tests of shallow-circuit quantum advantage require explicit classical bounds at finite circuit sizes.