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 138
Experimentally realized local-global tradeoff in quantum resources
The interconversion among different quantum resources has attracted considerable attention, exemplified by the tradeoff between coherence and entanglement.Cycle Codes and Decoded Quantum Interferometry
Decoded Quantum Interferometry (DQI) reduces optimization problems with two-variable constraints to decoding cycle codes.Finite-Bandwidth Protection of a Three-Level Quantum Heat Engine Against Parasitic Heat Leaks
Finite-bandwidth reservoir engineering can suppress unwanted transitions in a quantum thermal machine, but a physical filter also introduces a finite response time.Unconditional quantum advantage with noisy planar architectures
We consider quantum devices restricted to local operations in 2D and subject to local stochastic noise below a constant threshold.Transmitting algebras through quantum channels
We develop a theory of exact transmission of finite-dimensional $C^*$-algebras through quantum channels.Equality in the Bosonic Quantum Entropy Power Inequality
The bosonic quantum entropy power inequality bounds the entropy of a beam-splitter output in terms of the input entropies.A Fourier-Label Information-Loss Barrier for Dihedral Coset Algorithms
We establish a no-go theorem for a broad class of quantum algorithms for the dihedral coset problem (DCP).Transducer-based linear combination of unitaries: theory and applications
Linear combination of unitaries (LCU) is a fundamental primitive in quantum algorithms, whose cost is typically governed by the most expensive unitary appearing in the combination.Oscillator-Qubit Primitives for a Molecular Quantum Dynamics Simulator
Molecular quantum dynamics simulations that treat both electrons and nuclei quantum mechanically are crucial for predicting chemical reactions.Universal Entanglement Distillation
We present a universal entanglement distillation protocol that asymptotically achieves the distillable entanglement of any unknown bipartite state in a fixed finite dimension.Super-Quadratic Quantum Speedups for Combinatorial Optimization via Tilted Walks
We introduce quantum tilted walks, a quantum algorithmic framework for solving exact combinatorial optimization problems.Accelerating Quantum Dense-Output Simulation through Locality
Estimating time-accumulated observables, or dense outputs, is central to extracting classical information from quantum simulations.Classical Shadows with Selective GHZ Measurements
Classical shadows allow the prediction of many quantum-state properties from measurement data, but their efficiency strongly depends on the underlying measurement ensemble.Limit Theorems for Disordered Quantum Trajectories
We study discrete-time quantum trajectories of a finite-dimensional system in a disordered environment, where the instrument applied at each step is determined by an invertible measure-preserving…Finding gflow on unlabelled open graphs
The one-way model of measurement-based quantum computing implements computations via successive adaptive single-qubit measurements on a resource graph state.Logarithmic-Depth Fermion Sampling: Anticoncentration and Average-Case Hardness
Sampling problems give some of the clearest conditional separations between quantum and classical computation.Harnessing problem structure for end-to-end quantum speed-ups
Quantum algorithms can offer substantial computational speed-ups, yet these advantages may disappear once the cost of structure-agnostic classical data encoding is taken into account.A Complete and Natural Rule Set for Multi-Qudit Clifford Circuits in All Odd Prime Dimensions
We present a complete set of $16$ rewrite rules for multi-qudit Clifford circuits in all odd prime dimensions.Verification Complexity and Extension of Classical Shadows
Classical shadows are an influential framework for compressing copies of a given quantum state $ρ$ into classical data $S$, enabling many properties of $ρ$ to be predicted from relatively few copies.Smart Machine Learning for Solving the Full Electron-Nuclear Schrödinger Equation with a Quantum-Chemically Inspired Wavefunction Ansatz
Directly solving the full electron-nuclear Schrödinger equation remains one of the grand challenges in quantum mechanics.