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 152
Optimal Quantum Algorithms for Ordered Search
Ordered search is the problem of locating a target element in a sorted list of size $n$ using comparison queries.Nuclear scattering phase shifts with factorized geometric-time RODEO on a quantum processor
We reconstruct elastic $s$-wave neutron-proton ($np$) phase shifts from trapped spectra measured on IBM Aachen using a compressed RODEO circuit.Observation of a topological edge state among localized bulk states in the anisotropic quantum Rabi model
Topological phases are governed by discrete symmetries that protect boundary modes against local perturbations.Cavity magnonics and bound states in the continuum with Bragg and anti-Bragg mirrors
A periodic resonant emitter array coupled to a one-dimensional waveguide can act as a mirror.Observation of a topological defect state in the quantum Rabi model
Synthetic lattices built from hybrid qubit-oscillator systems provide a platform for exploring topology, with multiple physical degrees of freedom enabling control over lattice geometry.Discontinuity of Continuum Fermion Dynamics
We study the Heisenberg dynamics of continuum fermions in $\IR^d$ interacting through a pair potential.Coherence Rather Than Error Rate Governs Privacy in Multi-Tenant Quantum Computing
Multi-tenant computing enables providers of commercial cloud quantum processors to rent disjoint sectors of a device to independent users.Quantum Security of XOR of Permutations via Fourier Analysis
The XOR of two or more independent random permutations (XoP) is the prototypical pseudorandom function built from permutations achieving security beyond the birthday bound.Excitation Gap of a Confined Chiral Mode Measures Critical Zero-Point Fluctuations
Where uniform and chiral superradiant boundaries meet in a quantum Rabi ring, the quadratic theory leaves a degenerate chiral ladder with finite radial width.Near-Optimal Bounds on the Density of Low-Energy States of $k$-Local Hamiltonians and Faster Quantum Algorithms
Low-energy estimation and state preparation for general $k$-local Hamiltonians are fundamental challenges in quantum complexity theory.Microsecond-Programmable Synthetic Quantum Matter: Circumventing the Adiabatic Bottleneck for Heisenberg-Limited Metrology
Generating macroscopic quantum entanglement is central to quantum metrology.Quantum Entanglement in Variational Quantum Classification for Breast Cancer Diagnosis
This study looks at how the entangling structure of a variational quantum classifier (VQC) relates to its performance in breast cancer diagnosis, using the Wisconsin Diagnostic Breast Cancer (WDBC)…Trotterisation Thresholds and Dissipative Quantum Chaos in Open-System Digital Quantum Simulation
Digital quantum simulation (DQS) is one of the most promising applications of quantum computing.Depth-Optimal Quantum Compilation
We achieve the first constant-depth circuit for arbitrary single-qubit gate synthesis.Log-Euclidean Rényi Conditional Mutual Information
Quantum conditional mutual information (QCMI) is a fundamental measure of conditional independence, with central applications throughout quantum information theory and many-body physics.Cubic Phase Gate with a Trapped Ion Oscillator
The motional modes of trapped ions are promising candidates for continuous-variable (CV) quantum computation and simulation.Efficient Simulation of Hybrid Continuous- and Discrete-Variable Quantum Circuits via Gaussian Decompositions
Hybrid quantum systems combining discrete-variable (DV) and continuous-variable (CV) subsystems arise across a broad range of physical platforms and enable quantum information processing beyond…General Photon Subtraction from a Gaussian Perspective
A near-deterministic source of non-Gaussianity is the missing piece to reach universal and fault-tolerant quantum computing with continuous-variable optics.Correlation measure for statistical systems
A measure of correlations for statistical systems is advanced, called correlation index.Directional pumping of a two-level system by a fluctuation-regulated quantum source
A resonant classical field drives a two-level system coherently and, with ordinary relaxation, produces saturation rather than directional population transfer.