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 171
Quantum computational advantage in random-circuit sampling on IBM superconducting quantum computers
We report forward random-circuit sampling (RCS) on the 120-qubit Nighthawk r2 superconducting processor (\textit{ibm\_phoenix}) with square-lattice connectivity, using 61 qubits, native CZ gates…Universal holonomic control of algebras of observables
Closed paths of observable algebras can enact logical gates.Large-Area SnS Crystals by Controlled Sn-S Chemical Vapor Deposition: Growth Optimization, Morphology, and Raman Characterization
Tin monosulfide (SnS) is a layered IV-VI semiconductor with strong in-plane anisotropy and promising properties for optoelectronic and ferroic applications.Mediating gates between polar molecules using microwave-dressed Rydberg atoms
We propose a scheme for mediating many simultaneous, fast entangling gates between pairs of polar molecules using Rydberg atoms.Associative Memory for Quantum Entangled States
We generalize the canonical Hopfield model of associative memory, which stores classical states of individual spins, to store entangled quantum states.Classical Cellular Automaton for Measurement-Only Entanglement Transitions
We introduce a generalized classical long-range stochastic cellular automaton that exactly captures the entanglement dynamics and transitions of a measurement-only monitored quantum system.Walsh-Transform Realization of Dense-to-Sparse Quantum State Preparation
We propose a hybrid quantum state preparation method based on the Walsh--Hadamard transform within the dense-to-sparse quantum state preparation framework.On Certifying Source Sampling Hardness in Quantum Generative Modeling
Quantum generative models are often motivated by circuit families whose output distributions are believed to be classically hard to sample from.Fundamental Physics at the Frontier of Noisy Quantum Computation
Quantum computing offers a new, orthogonal direction for investigating fundamental physics, extending beyond classical numerical methods and conventional observables.Synchronizing Spectral and Interference Criticalities at an Exceptional Point
Exceptional points (EPs) are spectral singularities, but whether they can be used to control a distinct criticality of coherent interference remains largely unexplored.A scalable entanglement distribution framework for hybrid quantum networks
The realization of a scalable quantum network (QN) hinges on the efficient distribution of entanglement across heterogeneous hardware platforms.Resonant multi-harmonic acousto-optics for programmable frequency control of visible light in a CMOS platform
Scaling quantum control for atoms, ions, and solid-state emitters requires gigahertz-frequency spectral control of high-power visible light in a volume-manufacturable platform.Efficient Ion-Photon Quantum Interface with Long-Working-Distance Exceeding 26 mm
Trapped-ion quantum networks rely on efficient ion-photon interfaces, while objective-based free-space collection systems must balance high photon collection with sufficient working distance for…When Quantum Meets AI: Quantum Methods for Machine Learning and Machine Learning Methods for Quantum Systems
This thesis studies the intersection of quantum computing and artificial intelligence in two directions: quantum methods for machine learning and machine learning methods for quantum systems.Schrödingerization for quantum linear systems problems
We develop a Schrödingerization algorithm for quantum linear systems problems in two higher dimensions.Post-selected enhancement of phase sensitivity in a two-path interferometer
Post-selected metrology can exceed the standard quantum limit of single photon interference by concentrating all of the available Fisher information in a subset of post-selected outcomes.$\mathsf{BQP} \subseteq \mathsf{IP}$ Does Not Relativize
We construct an oracle relative to which $\mathsf{BQP} \not\subseteq \mathsf{IP}$, resolving a long-standing open question in quantum complexity theory.Post-Selection-Based Stochastic Quantum Battery
Quantum batteries are quantum systems that store useful energy, which can be subsequently extracted to perform work.Enhanced Atomic Magnetometry with a Pinched Spin State
The sensitivity of an atomic spin sensor is fundamentally constrained by the quantum Fisher information (QFI) of the probe state.The Failure of Simultaneous Quantum Typicality
We establish exact thresholds for the failure of simultaneous quantum typicality: three parties for mixed states and four for pure states.