A Room-Temperature Extreme High Vacuum System for Trapped-Ion Quantum Information ProcessingWe present a room-temperature Extreme High Vacuum (XHV) system engineered to support the long-duration operation of a trapped-ion quantum processor. Background-gas collisions impose limitations on…Lewis Hahn, Nikhil Kotibhaskar, Fabien Lefebvre et al.·Jul 17, 2026SaveLearn
Correlation and Entanglement partners in Gaussian systemsWe introduce a framework to identify where the total correlations and entanglement with a chosen degree of freedom reside within the rest of a system, in the context of bosonic many-body Gaussian…Ivan Agullo, Eduardo Martín-Martínez, Sergi Nadal-Gisbert et al.·Jul 17, 2026SaveLearn
Hybrid qubit-oscillator module from motional states of two interacting atomsWe propose a qubit-oscillator platform based on the motional states of two interacting atoms in an optical tweezer. By stroboscopically modulating an engineered trap with tunable anharmonicity, we…Jaeyong Hwang, Tianrui Xu, Sean R. Muleady et al.·Jul 17, 2026SaveLearn
Quantum Simulation of Ligand-like Molecules through Sample-based Quantum Diagonalization in Density Matrix Embedding FrameworkThe accurate treatment of electron correlation in extended molecular systems remains computationally challenging using classical electronic structure methods. Hybrid quantum-classical algorithms…Ashish Kumar Patra, Anurag K. S. V., Sai Shankar P. et al.·Jul 17, 2026SaveLearn
Quantum electrodynamic description of ionization of the neutral hydrogen moleculeWe investigate hydrogen molecule ionization within a unified framework combining finite-dimensional quantum electrodynamics with the Lindblad master equation, enabling systematic comparison across…Hui-hui Miao·Jul 17, 2026SaveLearn
Quantum Search With Generalized WildcardsIn the search with wildcards problem [Ambainis, Montanaro, Quantum Inf.~Comput.'14], one's goal is to learn an unknown bit-string x ∈ \-1,1\n. An algorithm may, at unit cost, test…Arjan Cornelissen, Nikhil S. Mande, Subhasree Patro et al.·Jul 17, 2026SaveLearn
Lost and found charge in quantum batteriesQuantum batteries are prone to losing their stored charge, when interacting with a thermal environment. However, getting a limited assistance from the thermal environment, is it possible to recover…Debanjan Dey Sarkar, Mallika Mondal, Preeti Parashar et al.·Jul 17, 2026SaveLearn
Quantization of Polaritons Confined in Dielectric StructuresLight-matter interaction in the regime of strong quantum coupling is usually treated within the framework of the Hopfield model. However, the picture of coupling well-defined modes of light and…Amir Rahmani, Dogyun Ko, Maciej Dems et al.·Jul 17, 2026SaveLearn
Studying the effect of phonon coherence and inflow on hydrogen bond formation in the [(H2O)2]m clusterWe propose a simplified open-quantum-system model for hydrogen-bond formation in water clusters, where each subsystem is mapped to a λ-type three-level system coupled to two effective phonon modes:…Hui-hui Miao·Jul 17, 2026SaveLearn
Entanglement dynamics in minimal Kitaev chainsMinimal Kitaev chains host Majorana quasiparticles, which, although not topologically protected, exhibit spatial nonlocality and hence expected to be useful for quantum information tasks. In this…Vimalesh Kumar Vimal, Jorge Cayao·Jul 17, 2026SaveLearn
Planar fault-tolerant circuits for non-Clifford gates on the 2D color codeWe introduce a family of scalable planar fault-tolerant circuits that implement logical non-Clifford operations on a 2D color code, such as a logical T gate or a logical non-Pauli measurement that…Andreas Bauer, Julio C. Magdalena de la Fuente·Jul 17, 2026SaveLearn
Non-Markovianity and memory enhancement in Quantum Reservoir ComputingFeaturing memory of past inputs is a fundamental requirement for machine learning models processing time-dependent data. In quantum reservoir computing, all architectures proposed so far rely on…Antonio Sannia, Ricard Ravell Rodríguez, Gian Luca Giorgi et al.·Jul 17, 2026SaveLearn
Preserving Mass Shell Condition in the Stochastic Optimal Control Derivation of the Dirac EquationLagrangian for a single relativistic charged particle in an external electromagnetic field, retaining both the standard relativistic square-root kinetic term and the minimal electromagnetic coupling…Vasil Yordanov·Jul 17, 2026SaveLearn
Quantum metasurfaces as probes of vacuum particle contentThe quantum vacuum of the electromagnetic field is inherently entangled across distinct spatial sub-regions, resulting in entangled particle content across these sub-regions. However accessing this…Germain Tobar, Joshua Foo, Sofia Qvarfort et al.·Jul 17, 2026SaveLearn
A Hierarchical Approach to Quantum Many-Body Systems in Non-Markovian EnvironmentsQuantum many-body systems in cavities combine the rich physics of condensed matter systems or quantum chemistry with strong coupling to the surrounding electromagnetic field. In these systems, large…Kai Müller, Kimmo Luoma, Christian Schäfer·Jul 17, 2026SaveLearn
Code-Visible Liouvillian Modes and Coherent Logical Errors in Quantum CodesCoherent Hamiltonian drifts and systematic errors can pass through quantum error correction differently than stochastic Pauli noise: they generate phase components of the logical channel that are…Marina Gordeychuk, Oleg Kiselev·Jul 16, 2026SaveLearn
Ancilla-assisted dark-state quantum gates in ultracold polar moleculesHigh-fidelity entangling gates are useful for circuit-based quantum computing, yet their realization in a scalable platform is challenging. Optically trapped ultracold polar molecules offer a…Yan Lu, Xiao-Feng Shi·Jul 16, 2026SaveLearn
A Gauge Sign Rule for Quantum Rotor NetworksThe sign problem is the non-positive path-integral weight that makes a quantum system hard to simulate classically. It shows up in problems that look unrelated, from fermion antisymmetry and…Swagata Acharya·Jul 16, 2026SaveLearn
The Complexity of Dynamical Correlators: Operator Shadows and Exponential Learning SeparationsQuantum platforms can realize many-body dynamics beyond classical simulation yet complete readout remains intractable: the cost of extracting accessible information scales exponentially with system…Shao-Hen Chiew, Armando Angrisani, Zoe Holmes·Jul 16, 2026SaveLearn
Efficient routing and spectrum allocation in arbitrary flex-grid entanglement networksAs practical quantum networks approach large-scale deployment, the need for efficient user-to-user frequency allocation is increasing, yet current approaches only provide partial solutions to the…Zachary Goisman, Matthew L. Stevens, Maxwell Goisman et al.·Jul 16, 2026SaveLearn
Generation and detection of squeezed light on a single silicon photonic chipThe ability to generate and detect quantum states of light on a single integrated photonic device is essential to scale quantum photonics into useful quantum technologies. Integrating the required…Oliver M. Green, Bethany Puzio, Rowan A. Hoggarth et al.·Jul 16, 2026SaveLearn
Performance Model for Hybrid Quantum-Classical WorkflowsHybrid quantum-classical workflows are expected to underpin practical quantum computing applications, yet the quantum and HPC communities lack a shared framework for reasoning about where and when…Pooja Rao, Dimitar Trenev, Jerome Gonthier et al.·Jul 16, 2026SaveLearn
Boosting State Discrimination in Quantum Brownian Motion Channel via Memory-Induced Coherence PreservationPreserving quantum resources in dissipative environments is a fundamental challenge in quantum information processing. While environmental interactions usually degrade quantum resources, we…João C. P. Porto, Pedro R. Dieguez, Carlos H. S. Vieira et al.·Jul 16, 2026SaveLearn
Saturating the Bayesian Nagaoka-Hayashi bound within numerical precision for the depolarization SU(2) rotation channelThe Bayesian Nagaoka--Hayashi (NH) bound is a semidefinite lower bound on the Bayes risk of multiparameter estimation, tighter than the Bayesian symmertic logarithmic derivative (SLD) Cramér--Rao…Leo Bia, Christos N. Gagatsos·Jul 16, 2026SaveLearn
The Trinity of Markovian Quantum Thermodynamics: Unifying the Axiomatic, Microscopic, and Operational ParadigmsThermodynamics imposes fundamental constraints on the evolution of quantum systems. These constraints and their dynamical consequences have been formulated within distinct paradigms, including…Yutong Luo, Jakub Czartowski, Felix Hubmann et al.·Jul 16, 2026SaveLearn