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 146
Root-system structure of sloppiness in passive Gaussian metrology
Passive transformations of an $n$-mode squeezed probe become locally unidentifiable when the quantum Fisher matrix loses rank.Synchronized Quantum Devices in Lossy Channels
Due to their tight temporal coupling, entangled photon pairs produced by spontaneous parametric down-conversion offer a new route to improved network synchronization among quantum-enabled devices.Single-Photon Nonlinearity from a Nanobeam with a Quantum Dot
An efficient single-photon nonlinearity is a key resource for photonic quantum technologies.Optimized Randomized Hamiltonian Simulation via Average-Error Analysis
Hamiltonian simulation is a central application of quantum computing.Quantum Fidelity Landscape-Guided Prior Calibration for Single-Circuit QGAN Image Generation
Quantum Generative Adversarial Networks (QGANs) have emerged as representative generative models in the Noisy Intermediate-Scale Quantum (NISQ) era and have attracted increasing attention in quantum…A Divide-and-Conquer Quantum-Selected Configuration Interaction for Evaluating $π$-$π$ Stacking Interaction Energies in the Benzene Dimer
Accurate evaluation of $π$--$π$ stacking interactions requires a description of electron correlation on a small energy scale.Block-Wise Variational Quantum Algorithms for PDEs with Interface Penalty Constraints
Global variational quantum algorithm (VQA) frameworks for solving partial differential equations (PDEs) often rely on a single expressive ansatz over a uniform grid, which becomes structurally…Quantum States and Spectra of Small Cylindrical and Toroidal Lattices
We examine the spectrum and quantum states of small lattices with cylindrical and toroidal topology subject to a scalar gauge potential that introduces a position dependent phase in the inter-site…Ordering controlled by the measurement-feedback interval in quantum Boltzmann samplers
We show that the measurement--feedback interval alone can induce ordering in a quantum Boltzmann sampler with fixed programmed couplings and a fixed local dissipative rule.Exact Trotterization in the Degenerate Quantum Rabi Model
Digital quantum simulation of the quantum Rabi model in the deep strong coupling regime motivates the need for an exact characterization of Trotterization errors, so far known only through…Closing a single-copy gap to the Holevo bound with two-copy measurements
The Holevo Cramér-Rao bound sets the asymptotically attainable precision of quantum multiparameter estimation, but its attainability with finite quantum state copies remains unresolved in general.Digital Twin Modeling of Quantum Dynamical Systems: Dissipative Quantum Reservoir Computing
Modeling the response of driven many-body quantum systems from input--output data is difficult: the dynamics are nonlinear, history dependent, and expensive to simulate as system size grows.Device-independent quantification of steerability in tripartite scenario
Quantum steering captures the ability of one party, through local measurements on a shared entangled state, to affect the conditional states held by distant parties in a way that admits no local…Exact quantum algorithm for searching of multiple sets intersection
Grover's algorithm achieves a quadratic speedup for unstructured search when a global oracle for the target set is available.Universal Inductive Inference of Quantum States
Solomonoff's universal inductive inference [Inf.Towards Scalable Quantum Unit Commitment in Power Systems: Encoding and Complexity Reduction Techniques
This paper develops a Quantum optimisation Unit Commitment (UC) framework that benefits from Pauli Correlation Encoding (PCE) as a qubit reduction preprocessing technique and Sample-based Quantum…Cavity-QED enhancement of quantum entanglement and battery performance in double quantum dots
We theoretically investigate quantum correlations and energy storage in a single-electron silicon double quantum dot (eDQD) coupled to a single-mode microwave cavity.Quantum Simulation of Detuning-Controlled Proximity-Induced Localization and Reentrant Delocalization in a Quasiperiodic Ladder
We demonstrate proximity-induced localization and re-entrant delocalization in a detuned quasiperiodic ladder.Quantum Query Lower Bounds for Triangle-Listing and Spanners
This paper gives quantum query lower bounds for two relational graph problems, triangle listing and explicit multiplicative spanner construction, in the general graph query model, where quantum…A quantum double-bracket algorithm for imaginary-time evolution with exponentially shorter depth
Imaginary-time evolution (ITE) is a widely used technique for preparing the ground state of a target Hamiltonian.