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 162
Spatiotemporal Non-Hermitian Skin Effect with Floquet-Engineered Ultracold Atoms
Non-Hermitian skin effect, the accumulation of bulk eigenstates at edges under open boundary conditions, has been observed across classical, quantum, and synthetic platforms.COFI-DQI: Curve-based Optimal Function Intersection via Decoded Quantum Interferometry
In 2025, Jordan et al. introduced Decoded Quantum Interferometry (DQI), a quantum algorithm for combinatorial optimization based on decoding.Connes Distance in Discrete-Time Quantum Walks
We study the geometric spread of discrete-time quantum walks using Connes' distance formula.Parallel and Distributed Fermionic Simulation via Dynamic Encoding
We demonstrate a simple and efficient method to parallelize and distribute Trotterized Hamiltonian simulation of fermionic systems across multiple QPUs.Complexity Barriers to State Preparation in Quantum Approximate Optimization
For many important optimization problems we are restricted to approximate solutions in practice due to computational complexity.Quantum-HPC Workflows Across Multiple Quantum Computing Platforms: Two Case Studies
We describe the Quantum-HPC hybrid system comprising the supercomputer Fugaku, the QPUs Quantinuum Reimei and ibm_kobe, and the Tierkreis hybrid workflow software.Sipser-Spielman meets Dijkgraaf-Witten: non-Abelian qLDPC codes via twisted sheaf gauge theory and almost-constant-overhead magic state fountain
Sipser-Spielman codes and Dijkgraaf-Witten twisted gauge theories are among the most profound ideas in the last few decades in the areas of computer science and mathematical physics respectively.Exact Solutions of the Dunkl--Pauli Equation in the Presence of a Magnetic Field from an su(1,1) Algebraic Approach
We investigate the two-dimensional Dunkl--Pauli equation for a spin--$1/2$ particle in the presence of an external magnetic field within an algebraic framework.Oracle Distillation
Learning and sensing are among the most promising applications of quantum technology, often with provable quantum advantages.Scalable Hybrid Device Architecture on Thin-Film Lithium Tantalate for Long Distance Quantum Network Nodes with Atomic Frequency Comb Quantum Memories
Scalable photonic circuits are essential for realizing practical quantum networks beyond proof-of-principle demonstrations.Exact Characterization of the Holevo Bound by a Quantum Fisher Information Family
The quantum Cramér-Rao bound constrains the precision of parameter estimation through the symmetric logarithmic derivative quantum Fisher information (SLD QFI).Measurement-Based Uncomputation from an Error Correction Perspective
Coherent uncomputation can be as costly as the computation itself, creating substantial spacetime overheads that can be prohibitive on early fault-tolerant quantum computers.Exact series formulas for the capacities of the amplitude damping channel
We derive explicit, absolutely convergent series formulas for the quantum, unassisted classical, and entanglement-assisted classical capacities of the qubit amplitude damping channel, eliminating…Microwave Power-to-Frequency Transduction in a Magnetically Initiated Rydberg Dissipative Time Crystal
Microwave power-to-frequency transduction is demonstrated using the emergent oscillation frequency of a magnetically initiated Rydberg dissipative time crystal (DTC).Probing the classical complexity of quantum dynamics experiments
A confluence of recent works has shown that many quantum circuits and dynamics are efficiently simulable by classical algorithms that track local information, even when conventional complexity…Characterising the precision of a clock without any external time reference
Determining a clock's precision usually requires comparison with a better time reference, yet no ideal reference is physically attainable.Measuring Clock Precision Without an Ideal Time Reference
Characterising physical devices typically requires comparison with more precise reference standards.A Universal Budget for Entanglement and Nonlocal Non-Stabilizerness
Entanglement and nonlocal non-stabilizerness are distinct quantum resources encoded in the Schmidt spectrum of a bipartite pure state.Quantum Fisher Information as the Speed Limit for Multipartite Entanglement
We derive a universal upper bound on the speed of multipartite entanglement generation.Locality of KMS states for infinite fermionic lattice systems
We study how thermal equilibrium states of infinite fermionic lattices respond to perturbations of the Hamiltonian.