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 97
Using Learning Analytics to Study Novice Learners' Work on Quantum Circuit Simulator Tasks
Interactive quantum circuit simulators are increasingly used to support introductory quantum computing education for learners from varied disciplinary backgrounds.Vibrational Sample-Based Quantum Diagonalization with Unitary-Cluster-Jastrow Ansätze on IBM QPUs
We extend sample-based quantum diagonalization (SQD) to anharmonic vibrational spectra and use it to benchmark how vibrational ansätze scale on present-day hardware under a direct one-hot encoding…Time-Bin Properties of Photon Pairs from a 2GHz Waveguide Resonator
We produce degenerate photon pairs called signal and idler via parametric down-conversion (PDC) in a Fabry-Pérot waveguide resonator having close to a 2GHz bandwidth in the telecom C-band.Quantum Approximation Complexity of Classical Optimization Problems
Classical approximation complexity asks what solution quality can be guaranteed with polynomial-time computation.Sample-based quantum simulation of vibrational structure of polyyne chains
Predicting anharmonic vibrational spectra is a complex computational task, which becomes quickly infeasible as molecular size and the number of vibrational basis functions increase, leading to an…Divide et Impera quantum neural networks for modular hybrid computing architectures
Quantum machine learning is rapidly emerging as a promising and potentially more sustainable approach that can complement traditional, energy-hungry HPC, AI, and GPU resources-particularly for the…Quantum anomaly detection in real scarce data
Anomaly detection on small and unbalanced datasets remains very challenging in machine learning, although this scenario is common in several domains, including healthcare, cybersecurity, finance…Q-PhotoMarket: A Design Space Exploration Framework for Photonic Hybrid Quantum Neural Networks in Financial Market Prediction
Photonic quantum computing has recently emerged as a promising platform for hybrid quantum machine learning due to its native realization of linear-optical circuits and the computational complexity…Correspondence between Asymptotic Quantum Many-Body Scars in Closed Systems and Diffusive Nambu-Goldstone Modes in Open Systems
Hydrodynamic relaxation in open quantum many-body systems can be understood in terms of diffusive Nambu--Goldstone (NG) modes associated with strong-to-weak spontaneous symmetry breaking (SWSSB).Geodesic-based optimal control for leakage suppression in superconducting qubits
Superconducting qubits are often based on the first two energy levels of a physical anharmonic LC oscillator.Exploring topology via momentum-selective tomography
Identifying and measuring topological invariants remains a fundamental challenge due to the non-local nature of momentum eigenstates in real space.The Differential Structure of Generators of KMS-Symmetric Quantum Markov Semigroups
A KMS-symmetric quantum Markov semigroup is completely determined by the quadratic form in induces on the GNS Hilbert space.Spurious zero-dispersion continua in full $(2,q)$-positivity: A linear hierarchy-depth lower bound from an exactly solvable counting operator
Variational two-particle reduced-density-matrix methods impose hierarchies of semidefinite constraints.Phonon-Enabled Collective Strong Coupling of Color Centers in a Plasmonic Cavity
Quantum emitters in hexagonal boron nitride (hBN) are promising building blocks for solid-state quantum photonics because of their bright room-temperature emission.Pareto-optimal quantum kernel selection for unsupervised anomaly detection on real malware beaconing data
Quantum kernel methods are leading candidates for a practical quantum advantage in machine learning, but assessing that potential requires two quantities usually reported separately: how well a…Efficient detection of spectral cluster states
Multimode entangled states of light are key resources for high-dimensional photonic quantum technologies, particularly for continuous-variable quantum computing and quantum information processing.A Minimal Bicomplex Extension of the Complex Scalar Algebra of Quantum Mechanics with an Ideal-Valued Sector
Standard quantum mechanics takes the complex numbers as its scalar algebra.Automated reduction of fault-tolerant circuits
We present an automated method for reducing fault-tolerant circuits through fault-equivalent rewrites.Stimulated emission for a three-level artificial atom in waveguide quantum electrodynamics
This work is devoted to a theoretical study of the interaction of a quantum three-level ladder system with a continuous electromagnetic field in a one-dimensional open waveguide.Mixed States in Quantum Rabin Oblivious Transfer
Oblivious transfer (OT) is a fundamental cryptographic primitive that is useful for realizing any two-party computation.