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 88
Entanglement generation from degeneracy breaking of superradiant Liouvillian steady states by local operations
Superradiance is a collective optical effect where emitters cooperatively radiate with a maximal intensity scaling proportional to the square of the number of emitters.Spiral Edge States in Topological 2D Sb2Te3 Crystals
This work explores the edge state conduction properties of twinned and spiraled, 2D Sb2Te3 topological insulator crystals.A complete classification of operator controllability for closed three-level quantum systems driven by a single control
In this work, we study operator controllability of finite-dimensional closed quantum systems driven by a single coherent control.Partial-coherence weak measurement of polarization qubits with a temporal pointer: theory and experiment
Weak measurement has proven useful for metrology, for probing quantum paradoxes, and for the direct measurement of quantum states.Entanglement detection in dynamical quantum systems
Quantum science and engineering increasingly target the exploitation and control of large-scale dynamical systems.Generative learning of time series with holographic quantum circuit sampling
Quantum generative models face growing qubit requirements and concentrated loss landscapes when learning long time series.Generative Quantum Machine Learning Methods for Cancer Detection using Augmented Datasets
Cancer detection using AI methods and image databases faces several challenges, including limited and imbalanced image datasets, long algorithm training times, and high-complexity feature generation.The Rényi area law conjecture is false below $α=1$ in high dimensions
Area laws express the expectation that entanglement in gapped quantum ground states scales with a boundary rather than a volume.Signal-to-noise problems in fault-tolerant quantum computation
Quantum computation offers a promising alternative to classical Monte Carlo methods by naturally avoiding sign problems through unitary evolution.Monogamy of quantum steering in exciton--cavity optomechanical system
In this work, we study a theoretical scheme to investigate the monogamy of quantum steering in a hybrid exciton--cavity optomechanical (EOM) system.Improved classical optimization of fermionic Hamiltonians beyond Gaussian states
We give a polynomial-time randomized classical algorithm that approximates the largest eigenvalue $λ_{\max}$ of a traceless quartic fermionic Hamiltonian $H$ on $n$ modes.Classification of bipartite observables II: NIP observables and the Todorcevic trichotomy
A bipartite observable is stable when its idealized responses are continuous.An Instability of the Quantum Markov Length
The Markov length, the length scale governing the exponential decay of conditional mutual information (CMI) in a quantum many-body state, has proven useful for characterizing mixed-state phases of…Quantum-assisted rendezvous on hypercubes: a quantum Bernoulli noise approach
We study quantum-assisted balanced rendezvous on the $d$-dimensional hypercube in a one-step two-agent quantum-walk framework, where the two agents move the same Hamming distance and meet at a…Quantum Information-Theoretic Analysis of Optical Fiber Sensing via Stimulated Brillouin Scattering
Stimulated Brillouin scattering (SBS) is a powerful mechanism for distributed sensing in optical fibers, as the Brillouin response is highly sensitive to local material parameters.Distinguishing Flat and Warped Extra Dimensions with Unruh-DeWitt Detectors
We examine the response of a two level Unruh-DeWitt (UD) detector interacting with the Kaluza-Klein (KK) mass modes of a bulk scalar field in extra dimensional models.When irrelevance governs: dissipation-regression scaling in open quantum criticality
The real-time dynamics of quantum phase transitions in open systems coupled to finite-temperature environments sits at the heart of contemporary condensed-matter and quantum-information science.Quantum-Circuit Residuals for Receptor Functional Potency Prediction: Predictive Gains and Quadratic Structure
The predictive performance of neural networks for receptor functional potency modeling depends on both molecular representations and prediction-head design.Error Mitigation by Zero-Noise Extrapolation (ZNE) in Indirect-Control System
The indirect-control paradigm offers a scalable approach to quantum computation by restricting external operations to a small subset of qubits, whereas the entire system evolves under its intrinsic…All-optical deconvolution via quantum cross-correlation spectroscopy with bright twin beams
The resolution of spectroscopic measurements is fundamentally limited by the convolution between a system's intrinsic response and the instrument response function, creating an ill-posed inverse…