Resolving the phase spaceWe show that the effective resolution of quantum inference is determined by a sampling Gram operator that defines the experimentally accessible degrees of freedom and the reconstruction bandwidth…Zdenek Hradil, Jaroslav Rehacek·Jul 31, 2026SaveLearn
Poincaré Sphere Representation of Spin-Driven Polarization Encoding in Two-Dimensional Perovskite Light SourcesNonlinear optical light sources enable the generation of photons with polarization states that are intrinsically determined by underlying material dynamics, rather than imposed through external…Zijian Gan, Shuyue Feng, Camryn J. Gloor et al.·Jul 31, 2026SaveLearn
Practical Tests and Witnesses of Fermionic non-GaussianityFermionic Gaussian states describe free fermions and underlie the mean-field picture of matter, from metals to superconductors; they are also efficiently simulable on classical computers. Departures…Tobias Haug, Xhek Turkeshi, Piotr Sierant·Jul 31, 2026SaveLearn
Comparative assessment of germanium-based spin-qubit modalities: donor, acceptor, gate-defined hole, and gate-defined electron platformsHigh-purity germanium (Ge) has re-emerged as a versatile semiconductor platform for spin-based quantum information processing because it combines mature materials processing, access to spin-free…D. -M. Mei, K. -M. Dong, S. A. Panamaldeniya et al.·Jul 31, 2026SaveLearn
Scheduling Concurrent Entanglement Requests in Quantum NetworksThis paper investigates resource allocation for entanglement distribution in multi-node, multi-channel quantum networks at the metropolitan scale. A multi-slot quantum network simulation framework is…Gongyu Ni, Lester Ho·Jul 31, 2026SaveLearn
Quantum Spin Liquid State of a Dual-Species Atomic Array on Kagome LatticeDual-species arrays of ultracold neutral atoms have recently attracted increased interest due to the ability to independently control different atomic species and tune the interatomic interactions.…Ahmed M. Farouk, Ilya I. Beterov, Ghadeer Suliman et al.·Jul 31, 2026SaveLearn
Another Triumph of Locality: Colliding Histories Skew HandshakesFrom gravity to electromagnetism, apparent action at a distance has always been resolved by deeper, local explanations. Yet today, Bell's theorem is widely interpreted as the death knell for…Charles Alexandre Bédard·Jul 31, 2026SaveLearn
Interaction-free measurement of multiple objects using a universal integrated photonic processorThe phenomenon of interaction-free measurement (IFM) enables the probabilistic detection of an absorbing object with reduced photon absorption. We report the experimental implementation of a…Sara Franco, Anita Camillini, Ernesto F. Galvão·Jul 31, 2026SaveLearn
Time-energy uncertainty relation from subcycle mode vacuum fluctuations of a quantum fieldThe time-energy uncertainty relation is often invoked as a heuristic explanation for virtual particles in interacting quantum field theories. However, this interpretation breaks down upon closer…Achintya Sajeendran, Timothy C. Ralph·Jul 31, 2026SaveLearn
Catalytic Quantum Error Correction: Theory, Efficient Catalyst Preparation, and Numerical BenchmarksQuantum computers promise transformative speedups, but environmental noise destroys their fragile states. Conventional quantum error correction (QEC) encodes information redundantly across physical…Hikaru Wakaura, Taiki Tanimae·Jul 31, 2026SaveLearn
Quantum Telepathy: A Quantum Technology with Near-Term ApplicationsQuantum telepathy is the concept of using quantum entanglement to solve real-world problems involving decision coordination between parties with restricted communication. One possible reason for this…Dawei Ding, Xinyu Xu·Jul 31, 2026SaveLearn
Advanced Scheduling Strategies for Distributed Quantum Computing JobsDistributed quantum computing (DQC) is being actively investigated as a means of scaling the number of qubits across multiple connected quantum devices. This includes quantum circuit compilation and…Gongyu Ni, Davide Ferrari, Lester Ho et al.·Jul 31, 2026SaveLearn
Attention in Krylov Space: Transformer-Based Extrapolation of Lanczos CoefficientsThe Universal Operator Growth Hypothesis formulates time evolution of operators through Lanczos coefficients. In practice, however, numerical instability and memory cost limit the number of…Zihao Qi, Christopher Earls·Jul 31, 2026SaveLearn
Passive quantum state transfer in a dispersion-engineered waveguideHigh-fidelity state transfer is fundamentally limited by time-reversal symmetry: one qubit emits a photon with a certain temporal pulse shape, whereas a second qubit requires the time-reversed pulse…Zeyu Kuang, Oliver Diekmann, Lorenz Fischer et al.·Jul 31, 2026SaveLearn
On entropy production of repeated quantum measurements III. Quantum detailed balanceIn light of the dynamical-systems approach to entropy production in repeated quantum measurements, proposed and illustrated in Commun. Math. Phys. 357, 77-123 (2018) [arXiv:1607.00162] and J. Stat.…Tristan Benoist, Noé Cuneo, Vojkan Jakšić et al.·Jul 31, 2026SaveLearn
Quantum Interference and the Limits of SeparabilityQuantum theory implies, and empirical evidence confirms, that while particles can exhibit wave-like behavior in interferometric experiments, this behavior is so limited as not…Sebastian Horvat·Jul 31, 2026SaveLearn
Realism and the Inequivalence of the Two Quantum PicturesThe standard claim that the Schrödinger and Heisenberg pictures of quantum mechanics are equivalent rests on the fact that they yield identical empirical predictions. This equivalence therefore…Charles Alexandre Bédard·Jul 31, 2026SaveLearn
Digital Quantum Simulation of Flat-Band and All-Bands-Flat Dynamics for Tunable Quantum TransportFlat-band systems offer a uniquely powerful tool for quantum control in dynamics due to their characteristic feature of having a dispersionless energy band. Simulating such highly sensitive systems…Mrinal Kanti Giri, Pochung Chen·Jul 31, 2026SaveLearn
Beyond Ground States: Physics-Inspired Optimization of Excited States of Classical HamiltoniansWe introduce excited local quantum annealing (ExcLQA), a classical, physics-inspired algorithm that extends local quantum annealing (LQA) to identify excited states of classical Ising Hamiltonians.…Erik Altelarrea-Ferré, Júlia Barberà-Rodríguez, David Jansen et al.·Jul 31, 2026SaveLearn
Closed-Form Generators for Perturbative Transformations in Static and Periodically Driven Quantum SystemsWe introduce a unified framework for the practical implementation of perturbative transformations that overcomes the limitations of existing construction methods. The central result is a closed-form…Leander Reascos, Giovanni Francesco Diotallevi, Mónica Benito·Jul 31, 2026SaveLearn
Quantum optimization with globally driven neutral atom arraysNeutral atoms trapped in configurable tweezer arrays are a promising platform for solving hard optimization problems. While such platforms natively embed unit-disk maximum weight independent set…Martin Lanthaler, Kilian Ender, Davit Khachatryan et al.·Jul 31, 2026SaveLearn
Hydrogen atom as a nonlinear oscillator under circularly polarized light: epicyclical electron orbitsWe used Clifford algebra Cl2,0 to find the 2D orbit of a hydrogen electron under a Coulomb force and a perturbing circularly polarized electric field of light at angular frequency~ω, which is…Quirino Sugon, Clint Dominic G. Bennett, Daniel J. McNamara·Jul 31, 2026SaveLearn
Autonomous Quantum Processing Unit: An Autonomous Thermal Computing Machine & its Physical LimitationsComputation is an input-output process, where a program encoding a problem to be solved is inserted into a machine that outputs a solution. Quantum computation conventionally relies on classical,…Florian Meier, Marcus Huber, Paul Erker et al.·Jul 31, 2026SaveLearn
Quantum Fluctuation-Response Inequality and Its Application in Quantum Hypothesis TestingWe establish a general quantum fluctuation-response inequality that bounds the difference in expectation values of an observable between two quantum states via the quantum relative entropy. For…Yan Wang·Jul 31, 2026SaveLearn
Wigner's Friend Paradox RevisitedBy assuming (i) a universal, observer-independent quantum state, by considering (ii) measurement processes with wave function collapse as part of quantum mechanical time evolution (also within…Peter Reichert, Markus Enz·Jul 30, 2026SaveLearn