Memory-Optimal Sequential Synthesis of Multimode Gaussian TransformationsIn modular quantum computing architectures, communication between hardware modules is mediated by traveling qumodes sent through transmission lines. Each output qumode interacts with the emitting…Fucheng Guo, Frank Mueller, Yuan Liu·Sep 4, 2026SaveLearn
Quantum-State Texture Dynamics: Theory and ExperimentQuantum-state texture (QST) has found applications in several fields from quantum foundations and computation to quantum criticality. However, a general theory of QST dynamics under arbitrary…Carlos H. S. Vieira, Xinfang Nie, Dawei Lu et al.·Sep 4, 2026SaveLearn
Quantum Optimisation for Protein-Protein Interaction Network AlignmentProtein-protein interaction (PPI) network alignment combines topological and sequence information to identify conserved modules across species, but global alignment remains challenging: heuristics…Merle Stahl, Robert J. Banks, Matthias Traube et al.·Sep 4, 2026SaveLearn
TETRIS-Q: Tiling-based Effective Transient-fault Reduction on Interleaved Superconducting QubitsThe struggle of the hour in quantum computing research is achieving effective suppression of the error mechanisms induced by the interaction of external radiation with superconducting quantum…Marzio Vallero, Gioele Casagranda, Flavio Vella et al.·Sep 4, 2026SaveLearn
The marginal is pretty goodOne-shot information theory measures often require an optimization over states, but the form of these optimizers can be complicated or depend on the initial problem in nonlinear ways. In this note,…Lukas Schmitt, Joseph M. Renes·Sep 4, 2026SaveLearn
A double-resonator coupler for high-fidelity two-qubit gates between superconducting qubitsTunable couplers have enabled two-qubit gate fidelities in superconducting quantum processors to approach 99.9\%, yet simultaneously suppressing residual interactions and maintaining flexible…Seunghyeon Jin, Seungha Woo, Shinyoung Hwang et al.·Sep 4, 2026SaveLearn
Optimal inequalities for completely bounded polynomials and the limitations of quantum query algorithmsWe consider the problem of establishing limitations on the power of quantum query algorithms via the completely bounded polynomial method. In particular, we prove several optimal functional…Francisco Escudero Gutiérrez, Miquel Saucedo, Carlos Palazuelos·Sep 4, 2026SaveLearn
AxQM: A Textbook-Scale Benchmark for Formal Proof Synthesis in a Library of Finite-Dimensional Quantum MechanicsFormalizing mathematics in a proof assistant, where a machine checks every definition, statement and proof, has set a new standard of rigor. Large language models are now capable of formalizing…Weichen Winston Yin, Jacob M. Taylor, Dirk R. Englund et al.·Sep 4, 2026SaveLearn
Fanout Complexity of Symmetric Boolean Functions in QAC0Whether QAC0 can compute PARITYn remains open. Computing PARITYn is equivalent to implementing FANOUTn under QAC0 reductions. This raises a…Boyan Xu, Lvzhou Li·Sep 4, 2026SaveLearn
Non-local games and communication complexity with noisy entanglementWe study the impact of noise on the theories of quantum nonlocality and entanglement-assisted communication complexity. We consider non-local games and entanglement-assisted communication complexity…Srijita Kundu, Olivier Lalonde·Sep 4, 2026SaveLearn
Impact of Data Loss in Postprocessing on Training and Inference of Quantum Neural NetworksAs quantum hardware scales to larger devices, the classical software layers that interface with it must evolve in step. Postprocessing routines developed and tested primarily in simulator settings…Soraya V. Panambalom, Edoardo Altamura, Nick Chancellor et al.·Sep 4, 2026SaveLearn
Qlippy: A Retrieval-Augmented GenAI Assistant for Reproducible Quantum Workflows and Experiment TrackingQuantum software development is iterative and error-prone. Noisy hardware and repeated re-execution make experiment tracking, provenance, and reproducibility essential, yet these practices are hard…Mahee Gamage, Vlad Stirbu·Sep 4, 2026SaveLearn
Hadamard Rigidity of Positive Sojourn Time Distributions for Rotation CoinsWe study the distribution of the positive sojourn time for a one-dimensional two state quantum walk, conditioned on return to the origin. Konno showed that, for the Hadamard walk, this conditional…Shunya Tamura, Tomoki Yamagami·Sep 4, 2026SaveLearn
Lindblad Multiproduct FormulasWe introduce Lindblad Multiproduct Formulas: a quantum error mitigation technique that uses two-dimensional tensor networks contracted with loop-corrected belief propagation. The quantities required…Niall F. Robertson, Andrea D'Urbano, Anton Dekusar et al.·Sep 4, 2026SaveLearn
Learning unknown stabilizer codes using product measurementsEfficiently characterizing quantum error correcting codes is a key challenge on the path to fault-tolerant quantum computation. Stabilizer codes, a central class of such codes, are defined by a set…Heather Leitch, Sri. S. Tirukkovalluri, Yingkai Ouyang·Sep 4, 2026SaveLearn
Microkelvin resolution thermometry at the nanometre scaleAccurate temperature readings of transient events at the nanometer scale are challenging due to the low sensitivity of available sensors. Nanodiamonds containing nitrogen-vacancy (NV) centers have…Jack W. Hart, Soham Pal, Julien R. E. Roth et al.·Sep 4, 2026SaveLearn
Ancilla mediated steady-state engineering in open quantum systemsEngineering the properties of a reservoir and its coupling to a quantum system is a powerful tool for simulating quantum thermodynamic processes and for generating otherwise inaccessible steady…Soham Pal, Karen Hovhannisyan, Omri Porat et al.·Sep 4, 2026SaveLearn
Neural networks learn to reconstruct multipartite entanglement from quantum marginalsDifferent sets of local correlations are not equivalent: some fragments of reduced data uniquely determine a global quantum state, while others leave it ambiguous. The quantum marginal problem asks…Matreyee Kandpal, Arvind, Kavita Dorai·Sep 4, 2026SaveLearn
Transition between weak and strong measurements in the presence of post-selectionIn the weak measurement regime, post-selection can result in the observation of anomalous weak values, seemingly contradicting the eigenvalue statistics observed when the measurement interaction is…Shogo Hanashiro, Holger F. Hofmann·Sep 4, 2026SaveLearn
Shapley Valuation of Finite-Copy Quantum Data Depends on Physical AccessData valuation asks how learning utility should be attributed to training data contributors. Most classical formulations begin after data have become reusable records, so the physical readout of the…Qipeng Qian, Yuntao Qian·Sep 4, 2026SaveLearn
Nitrogen Vacancy Centers in Diamond for Quantum Biosensing: Magnetometry Techniques, Platforms and ApplicationsQuantum sensing using nitrogen-vacancy (NV) centers in diamond has emerged as a powerful platform for detecting ultra-low magnetic fields under ambient conditions. Owing to their long spin coherence…Sirsendu Ghosal, Umakant Prajapati, Sachin Negi et al.·Sep 4, 2026SaveLearn
One Bit of Collective Information Is Worth N ln 2 Bits of Local Information in a Many-Body Quantum BatteryCharging a quantum battery through a collective non-adiabatic stroke stores energy in a shared bosonic mode, but part remains locked in correlations with the collective spin and is inaccessible to…Akoramurthy B, Surendiran B, Xiaochun Cheng·Sep 4, 2026SaveLearn
Strong-Drive Limits in Josephson Circuits: From Chaos to an Unbound-Resonance ThresholdStrong microwave drives enable fast measurement and parametric control in superconducting circuits but can induce transitions out of the intended low-energy manifold. We develop a unified description…Xinyuan You, Aniket Maiti, Yao Lu·Sep 4, 2026SaveLearn
QMClaw: A Scalable General-purpose Framework for Quantum Measurement and ControlAs quantum computing continues to scale, quantum measurement and control (QMC) are increasingly constrained by calibration workflow complexity and by requirements for low-latency execution, robust…Zhiqiang Fan, Haoran He, Ping Lv et al.·Sep 4, 2026SaveLearn
Qmes: Quantum Meta-Learning for Encoding Selection in Quantum Kernel MethodsSelecting an effective encoding quantum circuit is a key challenge in quantum kernel methods because different feature maps can lead to different performance. Conventional methods require…Dao Duy Tung, Quoc Chuong Nguyen, Vu Tuan Hai et al.·Sep 4, 2026SaveLearn