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 33
Fermionic Unruh effect revisited: Entanglement and correlation dynamics under symmetric transformations
A uniformly accelerated observer perceives the Minkowski vacuum as a thermal bath, so acceleration acts as a noise channel on correlations shared with an inertial partner.Robustness of Magic and the Directed Geometry of State Conversion
In this work, we introduce a state-space distance calibrated by stabilizer states based on the dual structure of the robustness of magic (RoM), and show that RoM is exactly represented as the…Controllability-Based Input Allocation in Quantum System
Understanding how local perturbations influence global quantum dynamics is important for analyzing and designing large-scale quantum systems.Coherent Electronic Lensing in Proximitized Graphene
Spatially resolved control of coherent electron transport offers a route to understanding and engineering interference phenomena in hybrid superconducting devices.Tan's Contact for Trapped Spin-Orbit-Coupled Fermi Gases at Finite Temperature
Tan's contact, bridging microscopic features of many-body quantum systems to two-body contact interactions, is pivotal in the description of quantum gases.Harnessing Non-Markovian Memory for Quantum-Battery Capacity
Non-Markovianity is commonly characterized through information-theoretic signatures of memory.Coherent errors, syndrome extraction and the Robustness of Magic in stabiliser codes
Coherent errors leave stabiliser-code-encoded magic states in superpositions of syndrome sectors.Learning Grover mixers for constrained optimization
Grover-Mixer QAOA (GM-QAOA) is a promising quantum framework for constrained combinatorial optimization.Pulse-Informed Physical Placement for Parallel Two-Qubit Gates in Qubit Arrays
A parallel two-qubit layer can often be realized with several nonoverlapping sets of physical couplers, but isolated calibrations do not reveal how each realization performs after optimizing its own…Competition and cancellation in a tilted Rice--Mele chain: exact Wannier--Stark offset and spectral readout
In a tilted Rice--Mele chain, the Wannier--Stark (WS) ladder becomes staggered, \(E_n=n\Fo+(-1)^{n+1}A\).Quantum Gate Engineering in Superconducting NISQ Platforms: Experimental Methods and Emerging Directions
This review aims to provide researchers, experimentalists, and quantum engineers with an updated and technically grounded perspective on the implementation of quantum gates in superconducting NISQ…Hyperentanglement-enabled Quantum Privacy Amplification for Classical-Quantum Coexistence in Fiber Networks
Integrating quantum communication into existing fiber infrastructures requires coexisting with high-power classical traffic, which generates noise in the quantum channel.Probing micron-range fifth forces with cold atoms in optical tweezer arrays
We propose a new method to search for fifth forces at micron scales, by resonantly exciting the motional state of ground-state-cooled atoms in optical tweezer arrays.Homodyne versus heterodyne detection for classifying families of optical quantum states from finite records of detection events
Neural networks can identify an optical quantum state from an image of its phase-space function, but a real measurement gives a finite record of $N$ detection events.Goldbach Representations in Quantum Optics and Metrology
We derive a relation between Goldbach representations and photon-number statistics in a quantum-optical setup.Quantum Observables of Nonperturbative Superradiant Scattering
Inelastic scattering from $N$ coherent spins, or any two-state system, scales as $N^2$, invalidating the Born approximation at large $N$ even at weak coupling.Sample-Based Quantum Diagonalization for Variable Molecular Geometries
Quantum and hybrid quantum-classical algorithms have the potential to improve the accuracy and scale of quantum chemistry and impact a broad range of applications such as drug discovery and catalysis.Gravitational anomaly spectroscopy of a Kitaev spin liquid
The chiral central charge $c$ measures the gravitational anomaly of a two-dimensional topological phase and fixes the heat current along its edge.Quenched Thermodynamics from Ancilla-Assisted Imaginary-Time Evolution
Quenched thermodynamics combines the equilibrium physics of fixed coupling configurations with a prescribed distribution of disorder.A Primer on Instanton Physics - A Short Course
These six lectures, delivered at the University of New Brunswick 6-21 October 2026, are an introduction to instantons in quantum mechanics and quantum field theory for senior undergraduate and…