The Logic of Partitions and Partition Logics: Ore's Correspondence, Contextual Pasting, and Direct-Sum DecompositionsThe term ``partition logic'' denotes two constructions at different levels. In automaton and generalized-urn models, selected partitions generate Boolean event algebras whose contextwise…Karl Svozil·Aug 9, 2026SaveLearn
Two-copy distillability of one-copy-undistillable negative-partial-transpose states in every dimensionWhether negative-partial-transpose (NPT) states that are undistillable from one copy become distillable from finitely many copies remains a basic open problem in entanglement theory. We study the…Gelo Noel M. Tabia, Kai-Siang Chen, Min-Hsiu Hsieh·Aug 9, 2026SaveLearn
State preparation via measurement and feedback: pushing relations, state structures, and non-invertible symmetriesQuantum circuits with measurements and unitary feedback (MF) can prepare long-range entangled states in constant depth, but a systematic construction of the MF preparation circuit for a given target…Yabo Li, Aditi Mitra, Tsung-Cheng Lu·Aug 9, 2026SaveLearn
Symmetry Constraints Regularize Neural Quantum State LearningNeural quantum states (NQS) offer highly expressive variational wavefunctions, but their optimization is frequently bottlenecked by redundant parameters and poorly conditioned landscapes. We…Turbasu Chatterjee, Manas Sajjan, Songbo Xie et al.·Aug 9, 2026SaveLearn
How to Test Bell Nonlocality for Gravity?We propose an experiment to test Bell nonlocality, a genuine nonclassicality, for the gravitational field. Two masses with embedded entangled spins (e.g., two diamonds with their NV-centre spins…Debarshi Das, Mir Alimuddin, Simon Storz et al.·Aug 9, 2026SaveLearn
Promise and Challenges of DistimationEstimating the quality of raw entangled states and distilling high-fidelity entanglement traditionally require two separate link-layer protocols in a quantum network stack, each consuming its own…Joshua Carlo A. Casapao, Ananda G. Maity, Naphan Benchasattabuse et al.·Aug 9, 2026SaveLearn
DA-CASE: reusable measurements for adaptive quantum subspacesQuantum subspace methods are often compared by basis dimension or energyerror, although their dominant experimental costs arise from different statepreparations, measurement settings, and shot…Ginanjar Utama, Hermawan Kresno Dipojono·Aug 9, 2026SaveLearn
A Resource-Efficient Quantum Framework for Graph Coloring and Chromatic Number EstimationMany industrial optimization tasks can be modeled as graph coloring, where adjacent vertices must have different colors. This NP-hard problem is challenging for large graphs. We present a quantum…Francesco Turro, Daniele Dragoni·Aug 9, 2026SaveLearn
Point-gap topology in amorphous non-Hermitian quantum systemsRecent studies have revealed that not only does the correspondence between spectral winding numbers and skin modes break down in non-Hermitian systems, but the energy spectrum itself is highly…Xue-Min Yang, Mu Zhou, Deng-Feng Li et al.·Aug 9, 2026SaveLearn
What solvable models reveal about Born-Oppenheimer, Born-Huang, and exact factorizationThe Born-Oppenheimer (BO) and single-surface Born-Huang (BH) approximations replace the full molecular problem by nuclear motion associated with one clamped electronic state, whereas the full BH…Stephen Wiggins·Aug 9, 2026SaveLearn
Dissipation-engineered dual-charger quantum batteriesSuppressing coherent energy backflow while maintaining extractable energy in a stable nonequilibrium state remains a central challenge for quantum energy storage. Here, we introduce a…Yi-jia Yang, Yu-qiang Liu, Zheng Liu et al.·Aug 9, 2026SaveLearn
Quantum discord of Ganssian states in an expanding universeWe investigate the redistribution of continuous-variable quantum discord within the framework of an expanding universe. We find that quantum discord exhibits stronger sensitivity to the spacetime…Siwei Li, Xiaofen Huang·Aug 9, 2026SaveLearn
Levitated Milligram-scale Ferromagnetic Magnetometer at Room TemperatureLevitated mechanical oscillators are emerging ultrasensitive sensors with tremendous potential in both applied and fundamental physics. Levitated ferromagnets, with internal spin noises rapidly…Yuanji Sheng, Kenan Tian, Rui Li et al.·Aug 9, 2026SaveLearn
Effect of Strong Field Space-time Features on Vacuum PairThe relativistic dynamics of bound states across inertial reference frames are investigated using the computational quantum field theory (CQFT). The results reveal that the spatiotemporal properties…B. An, N. S. Lin, C. K. Li et al.·Aug 9, 2026SaveLearn
The Input Problem: A Permanent Bottleneck for Quantum Machine LearningQuantum algorithms are conventionally presented with their input state supplied for free. When the input is classical data, this convention conceals a cost that is frequently larger than the…Muhammad Faryad·Aug 9, 2026SaveLearn
Optimal strategies for shadow tomography with limited resourcesShadow tomography addresses the task of efficiently predicting many expectation values of an unknown quantum state from randomized measurements on comparatively few copies. Existing analyses promise…Zhen-Peng Xu, Qi Ye, Jie Wang et al.·Aug 9, 2026SaveLearn
Deep Holes in the Clifford HierarchyWe determine the covering radius of the topological closure of the single-qubit Clifford hierarchy in (2) S3. This closure is a union of 18 great circles --- the Clifford--Pauli circles…Ian Teixeira, David Meyer·Aug 9, 2026SaveLearn
Fisher-Information Geometry Linking Schrodinger Dynamics, Bipartite Correlations, and DecoherenceFisher information appears in quantum theory in two mathematically distinct settings: as a classical probability functional in variational reconstructions of Schrodinger dynamics and as the quantum…J. Sumaya-Martinez and·Aug 8, 2026SaveLearn
Local Complex Dependence and Separability in Madelung HydrodynamicsFor a many-particle pure state in a fixed position representation, we consider the mixed cross-particle derivatives of the logarithm of the wave function. Their real part is one half of the…Lorenzo Pirovano·Aug 8, 2026SaveLearn
RF-Budgeted Frame Compilation for Frequency-Multiplexed Superconducting-Qubit Control Using Qubit-Control Identity Records and a Circuit-Informed RFSoC ModelFrequency-multiplexed superconducting-qubit control requires more than carrier assignment: the RF budget of a shared source can perturb multi-qubit rotations through finite bandwidth, crest factor,…Mingqi Ge, Anne-Marie Valente-Feliciano·Aug 8, 2026SaveLearn
Entanglement and non-local magic in a non-unitarily deformed non-Hermitian bipartite systemNon-Hermitian degeneracies are usually discussed through spectral coalescence, whereas entanglement is a property of eigenvectors and need not be fixed by the eigenvalues alone. We formulate a…Chen-Huan Wu·Aug 8, 2026SaveLearn
Randomness Certification and Trade-offs in the Prepare-and-Broadcast ScenarioWe investigate the prepare-and-broadcast scenario, a multipartite extension of dimension-constrained prepare-and-measure experiments in which a quantum system is distributed to multiple receivers. We…Tailan S. Sarubi, Moisés Alves, Vinícius F. Alves et al.·Aug 8, 2026SaveLearn
Machine Learning for Specialized QKD Aspects: A Survey of Adaptive Protocols, Free-Space Links, 6G Integration, and Steerability-Aware SecurityQuantum Key Distribution (QKD) provides information-theoretic security grounded in the laws of quantum mechanics, yet practical deployment increasingly extends beyond conventional point-to-point…Hasan Abbas Al-Mohammed, Afnan S. Al-Ali·Aug 8, 2026SaveLearn
Energetic Cost of Temporal Information Processing in Quantum ReservoirsQuantum reservoir computing offers a promising route toward energy-efficient machine learning by processing temporal information with minimal training overhead. Yet, the physical principles linking…Gabriele Cenedese, Gonzalo Manzano, Gian Luca Giorgi et al.·Aug 8, 2026SaveLearn
Toward Standardized Quantum Provenance: A Cross-Provider Analysis, Unified API, and Reference PrototypeQuantum software development requires provenance describing programs, compilation, execution, hardware characterization, results, and software environments, but providers expose this information…Jouni Peltonen, Vlad Stirbu, Tommi Mikkonen et al.·Aug 8, 2026SaveLearn