How Quantum Is the Advantage? A Fair, Calibration- and Noise-Aware Benchmark and Attribution Audit of Quantum Machine Learning for Network Intrusion DetectionQuantum machine learning (QML) for network intrusion detection (NIDS) is routinely reported to reach near-perfect accuracy, yet the most rigorous studies find that well-tuned classical models remain…Syeda Anshrah Gillani, Mirza Samad Ahmed Baig, Shahid Munir Shah et al.·Aug 13, 2026SaveLearn
Fixed-order postselected CHSH reference acquisition for parity-constrained spatial-mode qubits on a commercial cloud photonic processorWe report a fixed-order Clauser-Horne-Shimony-Holt (CHSH) acquisition and reporting protocol for two encoded photonic qubits on Quandela's commercial, cloud-accessible Belenos processor, executed…Emma Tully, Jonathan Washburn, Megan Simons·Aug 13, 2026SaveLearn
Fast classical simulation of `Fast, accurate, high-resolution simulation of large-scale Fermi-Hubbard models on a digital quantum processor'We study the Néel quench dynamics of a 1D Fermi-Hubbard model which has recently been simulated on quantum hardware. We demonstrate that the set of 7260 observable trajectories measured in the…Xiao-Yu Ouyang, Runze Chi, Garnet Kin-Lic Chan·Aug 13, 2026SaveLearn
Entanglement asymmetry characterization of the Chiral AnomalyShao et al. recently showed that the 1+1D staggered fermion Hamiltonian admits a whole algebra of lattice operators that flow to the same axial charge in the thermodynamic limit (TL). On the lattice…Alfred Benedito, German Sierra·Aug 13, 2026SaveLearn
Certified coherent, informative, and non-entanglement-breaking fixed points of future-referential quantum feedbackWe study quantum processes in which information extracted from a forward simulation is returned as input to an earlier internal time of the simulated dynamics: externally the protocol is an ordinary…Eran Kopel·Aug 13, 2026SaveLearn
Designing robust molecular spins for quantum technologies with theoretical chemistryMolecular spins represent a versatile platform for quantum information science, with the potential to offer chemically tunable, addressable qubits. However, achieving this requires understanding and…Timothy J. Krogmeier, Pranay Venkatesh, Mikayla Z. Fahrenbruch et al.·Aug 13, 2026SaveLearn
Scalable Test of Genuine Multipartite Entanglement via Partially Randomized MeasurementsCertifying genuine multipartite entanglement in quantum systems can require a number of measurements that grows exponentially with the system size. Here we introduce a criterion based on…Jan Wojcik, Pawel Chrabkowski, Wieslaw Laskowski·Aug 13, 2026SaveLearn
Efficient Hamiltonian Truncation: Fast Matrix Construction and Quantum Krylov DiagonalizationHamiltonian truncation offers a nonperturbative route to quantum field theory, yet its accuracy is limited by the rapid expansion of the truncated Hilbert space, which drives up computational cost.…Rachel Houtz, Marco Knipfer, Konstantin Matchev et al.·Aug 13, 2026SaveLearn
Open system probes of renormalization group flowOpen system probes can provide an efficient means to characterize quantum many-body systems by employing them as engineered environments. The key idea is to map long-range spatial correlations of the…Andrew Keefe, Brenden Bowen, Saptarshi Biswas et al.·Aug 13, 2026SaveLearn
Entanglement Negativity in Noisy Quantum Volume SamplingThe Quantum Volume protocol uses scrambling random circuits to benchmark NISQ computers. Quantum Volume is generally well-regarded as a benchmark for small, noisy, quantum computers because it…Elijah Pelofske, Stephan Eidenbenz·Aug 13, 2026SaveLearn
Tracking real-space quantum state breathing through Floquet-projector geometryPeriodic driving of spatially periodic quantum systems generates band structures that are absent in static crystals. We present a quantum geometric theory to characterize the Floquet-Bloch states at…Arpit Raj, Johannes Mitscherling, Björn Trauzettel·Aug 13, 2026SaveLearn
Heuristic Lookahead Distillation Protocol SearchBipartite qubit entanglement distillation is the process of converting noisy ebits into pure ebits using only local operations and classical communication. This is a core operation for quantum…Matthew Barber, Stefano Pirandola·Aug 13, 2026SaveLearn
A scalable edge-pass Purcell filter for high-fidelity readout of superconducting qubitsHigh-fidelity readout with strong Purcell protection of qubit coherence is essential for scalable superconducting quantum processors, yet the finite passband and sizable footprint of conventional…Xudong Liao, Yuan Li, Sainan Huai et al.·Aug 13, 2026SaveLearn
Experimental Quantum Key Distribution in an Indefinite Causal OrderIn quantum physics the order in which different operations occur can be placed in superposition. The resulting processes have an indefinite causal order and are both of fundamental interest and can…Yann Valibouse, Martí Cladera-Rosselló, Michael Antesberger et al.·Aug 13, 2026SaveLearn
Every PPT channel has finite entanglement breaking indexWe prove that every PPT linear map has finite entanglement breaking index, thereby establishing the eventual entanglement breaking property of PPT channels in full generality. Furthermore, by…Sang-Jun Park·Aug 13, 2026SaveLearn
Clifford Circuit Synthesis for Distributed Quantum Architectures with Arbitrary Network TopologyTo achieve large-scale fault-tolerant quantum computation, it may be easier to combine many small sets of qubits than to construct a single large set. For example via quantum error correction with…Tuomas Laakkonen·Aug 13, 2026SaveLearn
Quantum simulation of non-Markovian dynamical systemsExisting quantum algorithms for simulating dynamical systems -- from Hamiltonian simulation to linear and nonlinear differential equations solvers -- simulate Markovian dynamics, in which the…Abtin Ameri, Arkopal Dutt, Hari Krovi·Aug 13, 2026SaveLearn
Ambient unitaries don't enable shallow group designsCharacterising the efficiency with which designs over various subsets of the unitary group may be constructed is an important goal of quantum information theory. While it is now known that…Maxwell West, M. Cerezo, Martin Larocca·Aug 13, 2026SaveLearn
Exponential quantum advantage for learning signals with a single qubitQuantum technology has the potential to transform scientific discovery, but quantum advantages often require processing capabilities well beyond the reach of experimental platforms. We show that…Ishaan Kannan, Sridhar Prabhu, Saeed A. Khan et al.·Aug 13, 2026SaveLearn
Quantum correlations and Basis-Independent Coherence Distribution in Two Gravitational Cat StatesWe study the distribution of quantum correlations and basis-independent coherence in a pair of massive particles confined in a double-well potential and coupled through their mutual Newtonian…Mostafa Mansour, Mansoura Oumennana·Aug 13, 2026SaveLearn
Strong unitary designs in optimal depth and spaceUnitary designs provide finite-moment approximations to Haar-random unitaries, with wide-ranging applications across physics and quantum information, from scrambling and black-hole dynamics to…Teodor Parella-Dilmé, Júlia Barberà-Rodríguez, Salvatore F. E. Oliviero et al.·Aug 13, 2026SaveLearn
Aperiodicity is sufficient for macroscopic thermalizationWe identify a general mechanism for the finite-time thermalization of macroscopic observables, such as coarse-grained charge densities, in terms of elementary forms of the quantum dynamics of initial…Amit Vikram·Aug 13, 2026SaveLearn
Spectral Localization Principle for Entanglement HarvestingWe propose a unified physical principle for entanglement harvesting: the entanglement that two localized detectors can extract from a quantum field is determined solely by how localized the…Hao Xu·Aug 13, 2026SaveLearn
Field-Widened Multimode Interferometer with Long Time-Bin Delay Using a Multi-Pass Herriott CellInterference of optical signals in free-space channels requires optical receivers to support many spatial modes due to atmospheric turbulence, typically necessitating adaptive optics systems.…Ramy Tannous, Stéphane Vinet, Kaylee Sherk et al.·Aug 13, 2026SaveLearn
Universal magic state concentrationMagic plays a dual role in quantum computation: it promotes stabilizer dynamics from efficient classical simulability to universality, but it presents a central challenge for fault tolerance, since…Jacopo Rizzo, Lorenzo Leone·Aug 13, 2026SaveLearn