Hamiltonian Thresholds for Objective RecordsClassical objectivity requires an environment to witness a pointer value, not merely to decohere it. We derive microscopic Hamiltonian laws for this distinction. Exact QND product monitoring yields a…Jie Gu·Aug 1, 2026SaveLearn
Quantum Mechanics on Non-Hausdorff One-Manifolds with Finite Graph Resolutions: Analytic Completion, Branching, and Invariant-Sector ScatteringWe develop a systematic framework for quantum mechanics on a finite graph-resolved class of second-countable, T1, non-Hausdorff one-manifolds. The central problem is that local differential…Abhiram Sripat·Aug 1, 2026SaveLearn
Topology of the Set of Entangled StateWe investigate the topology of the set E of entangled bipartite density operators acting on Cn1n2. We start by showing that E is…Maximilian Illmer, Tim Netzer, Michael M. Wolf·Aug 1, 2026SaveLearn
Challenges in Barren Plateau Mitigation with Dynamic Parameterized Quantum CircuitsVariational quantum algorithms (VQAs) are a promising paradigm for quantum advantage, yet their trainability is severely hampered by barren plateaus (BPs). Several recent works have proposed dynamic…Sumeet Shirgure, Efekan Kökcü, Siyuan Niu·Aug 1, 2026SaveLearn
QUACOD: Quantum Optimization via Coordinate Descent for Scalable Drone SchedulingQuantum computing has demonstrated its potential to solve various optimization problems, including drone scheduling, which is important not only for drone delivery but also for logistics in general.…Van-Quang-Huy Nguyen, Hoang-Quan Nguyen, Samee U. Khan et al.·Aug 1, 2026SaveLearn
Exact Quantum Many-Body Scars by a generalized Matrix-Product AnsatzWe construct exact eigenstates of quantum many-body systems with Hamiltonians that are not frustration-free in matrix product form, based on a local error cancellation ansatz motivated by the…Sascha Gehrmann, Fabian H. L. Essler·Aug 1, 2026SaveLearn
Cavity-mediated localization and collective electron correlation phasesCollective strong coupling of molecular ensembles to optical cavities opens a route to modifying matter through genuinely collective electronic correlations. Yet even in the absence of a cavity,…Dominik Sidler, Francesco Greco, Michael Ruggenthaler et al.·Aug 1, 2026SaveLearn
Bell Correlations and Selection BiasMethods of selecting samples from larger populations may produce bias, in either direction: inducing correlations between variables independent in the full population, or masking correlations between…Huw Price·Aug 1, 2026SaveLearn
Quantized Dissipation from the Inverse-Square Anomaly in a Non-Hermitian Klein-Gordon FieldWe construct an exactly solvable relativistic model that embeds the anomalous inverse-square interaction into a non-Hermitian Klein-Gordon field theory through a purely imaginary, scale-invariant…Mansour Haghighat, Ali Nouri·Aug 1, 2026SaveLearn
Majorana-XYZ subsystem codeBuilding fault-tolerant quantum computers is a current priority for the quantum computing industry and academic counterparts. We present a quantum error correction code encoding a single logical…Tobias Busse, Lauri Toikka·Aug 1, 2026SaveLearn
Efficient discrimination schemes for unextendible product bases with strong quantum nonlocalityEntanglement is a central resource in quantum information science, and it is therefore important to design local discrimination protocols that minimize entanglement cost. In this paper, we propose…Qiqi Feng, Huaqi Zhou, Limin Gao·Aug 1, 2026SaveLearn
Impact of control signal phase noise on qubit fidelityAs qubit decoherence times are increased and readout technologies are improved, nonidealities in the drive signals, such as phase noise, are going to represent a crucial limitation to the fidelity…Agata Barsotti, Paolo Marconcini, Gregorio Procissi et al.·Aug 1, 2026SaveLearn
A Survey on Applications of Quantum Computing for Unit CommitmentUnit Commitment (UC) is a core optimization problem in power system operation and electricity market scheduling. It determines the optimal on/off status and dispatch of generating units while…Milad Hasanzadeh, Ali Rajabi, Amin Kargarian·Aug 1, 2026SaveLearn
Double categories for adaptive quantum computationQuantum computation admits several models that emphasize different computational primitives and forms of classical control. We develop a unified double categorical framework for describing these…Cihan Okay, Walker Stern, Redi Haderi et al.·Aug 1, 2026SaveLearn
Quantifying multilevel coherence and multipartite correlation based on α-affinityUnlike standard quantum coherence, multilevel quantum coherence provides a hierarchical structure that enables a more refined characterization of quantum superposition. In this paper, we investigate…Yan Hong, Mengjia Zhang, Limin Gao et al.·Aug 1, 2026SaveLearn
Detecting k-nonstretchability via a class of informationally complete symmetric measurementsCharacterizing multipartite entanglement is a fundamental problem in quantum information theory. The concept of k-stretchability provides a framework for characterizing the structure of…Yan Hong, Mengjia Zhang, Limin Gao et al.·Aug 1, 2026SaveLearn
Modeling acceleration without photon pair creationThe Unruh effect predicts that a uniformly accelerating observer will find themselves in a thermal bath of photons, where a resting observer would not see any. However, since Maxwell's equations…Sara Kanzi, Daniel Hodgson, Almut Beige·Aug 1, 2026SaveLearn
Variational simulation of higher-spin systems on qubit-based quantum simulatorsQubit-based quantum simulators naturally target two-level systems, whereas many quantum many-body problems are intrinsically d level. Encodings from qudits to qubits then enlarge the Hilbert space…Chufan Lyu, Zuoheng Zou, Xusheng Xu et al.·Aug 1, 2026SaveLearn
Effects of the detection loophole on rival entanglement attestation techniquesLoopholes present in an experimental set-up can significantly affect the reliability of entanglement detection. We discuss two methods for detection of entanglement: one is by using the positive…Paranjoy Chaki, Kornikar Sen, Ujjwal Sen·Aug 1, 2026SaveLearn
Divergence Geometry of Quantum Multi-Mpemba EffectsTwo quantum states may relax toward the same steady state, yet the one that starts farther away can overtake the closer one. This is the quantum Mpemba effect. The same pair can reverse order more…Domingos S. P. Salazar·Jul 31, 2026SaveLearn
QEncodeBench: Can Large Language Models Encode Classical Problems into Verified Quantum Oracles?Grover search, amplitude amplification, and quantum counting all rely on the same reusable subroutine, a phase oracle, whose construction the algorithms literature takes as given: the classical…Xujun Che, Hanhan Wu, Yuchen Yuan et al.·Jul 31, 2026SaveLearn
Gaussian Purification Quotients and Fixed Nielsen PenaltiesInformation distance and circuit complexity are both obtained by minimizing lengths, but they minimize over different objects. We make this distinction explicit for faithful one-mode Gaussian states.…Christian Kerskens·Jul 31, 2026SaveLearn
Coupling Structure Determines Communication Regimes in Discrete Quantum Convolutional ChannelsWe study the recently developed theory of quantum convolution for discrete-variable quantum systems. We classify the discrete quantum convolutional channels generated by an invertible 2×2…Chunhe Xiong·Jul 31, 2026SaveLearn
Sharp Plucker Geometry for Three-Copy Werner DistillationWhether negative-partial-transpose entanglement can remain undistillable is a longstanding problem in quantum information theory. We analyze the first unresolved three-copy Werner endpoint using a…Tianhao Wu, Qiran Zou·Jul 31, 2026SaveLearn
Phase-Space Methods for Many-Body Quantum OpticsMany-body quantum-optical systems, where a collection of emitters interacts through a common electromagnetic reservoir, exhibit rich out-of-equilibrium behavior and hold promise for applications in…Edgar Guardiola-Navarrete, Silvia Cardenas-Lopez, Ana Asenjo-Garcia·Jul 31, 2026SaveLearn