Enforcing IID structure on time-bin encoded QKD protocols via coarse-grainingMany security proofs for quantum key distribution (QKD) require Bob's measurement to have a tensor-product structure across protocol rounds, with some techniques requiring the stronger…Shlok Nahar, Shihong Pan, Norbert Lütkenhaus·Jul 29, 2026SaveLearn
Hybrid quantum-classical end-to-end pipeline for solving MILPs: a vehicle routing case studyWe demonstrate an end-to-end hybrid quantum-classical optimisation framework based on Benders decomposition, capable of solving mixed-integer linear programming (MILP) problems. The framework builds…Camille de Valk, Koen Reerink, Siert Sebus et al.·Jul 29, 2026SaveLearn
PhD thesis: Modes, States, and Symmetries in quantum Optics for quantum Information and MetrologyThis thesis explores the role of modes, states, and symmetries in quantum optics, within the context of quantum information and quantum metrology. It proposes a unified framework to analyze how the…Éloi Descamps·Jul 29, 2026SaveLearn
Recovering Coherent Errors from Randomized-Compiling LabelsRandomized compiling converts a coherent gate error into a stochastic one by dressing each gate with a randomly chosen Pauli operator, and the standard view is that the coherent information is lost…Kushagra Vyas·Jul 29, 2026SaveLearn
High-fidelity multiqubit gates with Rydberg atoms via level-crossing-free Rapid adiabatic passageWe propose a rapid adiabatic passage (RAP) scheme based on level-crossing-free pulses for deterministic generation of multiqubit entangled states in Rydberg atom systems. Unlike conventional RAP…Yichi Zhang, Ximo Wang, Zhenqi Bai et al.·Jul 29, 2026SaveLearn
Coherent electric field manipulation of nuclear spin quditSpins in condensed matter, especially well-isolated nuclear spins, offer attractive quantum degrees of freedom for computing, sensing, and networking because of their long coherence times. The…Sumin Lim, Mikhail V. Vaganov, Niccolo Fontana et al.·Jul 29, 2026SaveLearn
Generative AI Beyond Tokens: Quantum Resource Consumption of IQP CircuitsQuantum generative modelling casts sampling as a generative task: a parametrised quantum circuit is trained such that sampling reproduces a target probability distribution. Instantaneous Quantum…Tom Krüger, Wolfgang Mauerer·Jul 29, 2026SaveLearn
Relational Quantum Causal Processes: Exact Models, Continuum Limits, and the Boundary of Emergent GravityRelational quantum causal processes formulate finite operational contexts as normal positive functionals on local completely positive maps. Response differences generate an influence algebra, and its…Yipeng Xu·Jul 29, 2026SaveLearn
Quantum model reduction based on Oja's flowWe propose a novel approach to numerically derive approximate reduced dynamical models for Markovian quantum open systems without perturbative iterations, projecting the evolution to the subspace…Miguel Casanova, Kentaro Ohki, Francesco Ticozzi·Jul 29, 2026SaveLearn
QKD-Integrated Quantum Noise Stream Cipher: An OverviewQuantum Noise Stream Cipher (QNSC) has emerged as a physical-layer encryption technique that exploits quantum noise and non-orthogonal coherent-state modulation to secure optical communication.…Umesh Kumar Chandra, Avinash Kote, Neha Pathania et al.·Jul 29, 2026SaveLearn
Converting Quantum Sensing Noise into ErasuresErasures are more favorable for quantum sensing than unflagged errors such as Pauli errors. However, realistic sensing noise does not usually appear as erasures; it often acts within the same sensing…Xingyu Liu, Zhaotong Cui, Binke Xia et al.·Jul 29, 2026SaveLearn
Quantum random number generation using spatial quantum noise of lightGenerating high-speed, verifiable random numbers is a fundamental requirement for cryptography, large-scale stochastic simulations, and secure quantum communication. Here, we present a robust quantum…Mohamed Armoon Shaliq, Ashok Kumar·Jul 29, 2026SaveLearn
Feedback stabilization of multi-qubit Hamiltonian parameters enabled by single-shot measurement-based sequential Monte CarloFast measurement, signal processing, and accurate estimation of Hamiltonian parameters are essential for feedback control in quantum-classical interface circuitry. However, existing frequentist and…Hyeongyu Jang, Jaemin Park, Younguk Song et al.·Jul 29, 2026SaveLearn
Explicit Separations for One-Query Unitary SynthesisThe unitary synthesis problem (Aaronson-Kuperberg, CCC 2007) asks whether every n-qubit unitary U is computable by efficient quantum circuits relative to some classical oracle f = fU depending…Fangqi Dong, Alex Lombardi, Fermi Ma·Jul 29, 2026SaveLearn
Finding diagonal logical gates in CSS codes and circuitsFinding efficient schemes for non-Clifford logic or magic state preparation is one of the central challenges on the way to fault-tolerant quantum computation. Many of the proposed schemes rely on…Andreas Bauer·Jul 29, 2026SaveLearn
Phase Retrievability of Super Operators and MeasurementsWe continue the study of Phase Retrieval in the Quantum Information setting in the style of liu2023phase, in a manner which is more general in two primary ways: (a) Instead of only pure states…Javier Alejandro Chávez-Domínguez, Jeremiah Isu·Jul 29, 2026SaveLearn
Lattice Quantum Chromodynamics for Quantum SimulationsWe develop a framework for quantum simulations of lattice SU(Nc) gauge theory with quarks. Staggered and Wilson lattice fermions are considered in two and three spatial dimensions and a theta…Luis Hidalgo, Patrick Draper·Jul 29, 2026SaveLearn
Quantum Optical Reinforcement Learning via Spectrum-Resolved Hong-Ou-Mandel InterferenceHong-Ou-Mandel (HOM) interference-based optical neural networks can offer complexity advantages on benchmark learning tasks, but conventional readout compresses the coincidence spectrum into a single…Shaojun Wu, Jiahua Xu, Shan Jin et al.·Jul 29, 2026SaveLearn
Molecular triplets and other metastable states for excitonic quantum batteriesExcitonic quantum batteries, based on organic fluorescent molecules embedded in optical microcavities, offer a room-temperature platform for studying collective effects in energy storage and…Daniel Tibben, Gian Marcello Andolina, Daniel E. Gómez et al.·Jul 29, 2026SaveLearn
The Klein-Gordon-Fock theory as a one-particle relativistic quantum mechanicsThe Klein-Gordon-Fock (KGF) theory with the vector potential is presented as a one particle relativistic quantum mechanics (QM). First, the KGF equation is written in a Hamiltonian form, in spinor…N. L. Chuprikov·Jul 29, 2026SaveLearn
When Quantum States over Spacetime Have No Common ProcessDetermining whether observations across spacetime arise from one quantum process is central to causal inference and to consistent observer-relative descriptions. For quantum-state-over-spacetime…Jianqi Sheng·Jul 29, 2026SaveLearn
Fault-tolerant distributed quantum computing with a single nucleus per nodeDistributed quantum computing interconnects small, high-quality nodes through optical links, but this architecture carries a pronounced asymmetry: in-node gates and measurements are cheap and…Yotam Vaknin, Shoham Jacoby, Roi Nevo et al.·Jul 29, 2026SaveLearn
A Bogoliubov-ratio framework for quantum-information diagnostics of time-dependent two-mode Boson SystemWe formulate a compact dynamical representation of quantum-information diagnostics for time-dependent two-mode bosonic systems in terms of the Bogoliubov ratio λk(η)=βk(η)/αk(η). For…Shi-Cheng Liu, Lei-Hua Liu, Bichu Li et al.·Jul 29, 2026SaveLearn
Physics-Informed Graph-Neural Decoding of the Surface Code: the Logical Signal as an Exact Topological PairingWe develop a physics-informed graph neural network (GNN) decoder for the surface code that solves a discrete Poisson equation on the syndrome graph, with the syndrome as the charge source. We compare…P. E. Trevisanutto, S. Dhanpal, S. Basak et al.·Jul 29, 2026SaveLearn
Record Loss Sets a Rare-Trajectory Limit on Quantum PurificationContinuous quantum feedback uses time-resolved measurement records to steer monitored systems toward pure states. Yet how the information available to a controller determines the ultimate…Jiaxin Liu, Zuoxian Wang, Feng Li et al.·Jul 29, 2026SaveLearn