Clay weekly context brief for the Physics category (ISO week 2026-W43). Clay tracks publications from the Physics feed list. Below are recent items from this category, each with its source and a short description of what the publication covers when one is available in the source feed. Recent publications: 1. Forecast lead time and the timing of crew deployment for weather-driven power outages using AI weather models Source: physics.ao-ph (Atmospheric and Oceanic Physics) Link: https://arxiv.org/abs/2610.20918 Utilities request mutual aid crews to restore power after severe storms, and requesting early secures more crews but relies on less accurate forecasts. 2. Acoustic Illusion of a Rigid Object for a Moving Emitter via Equivalent Surface Control Source: physics.app-ph (Applied Physics) Link: https://arxiv.org/abs/2610.21649 We report a three-dimensional acoustic illusion of a rigid object illuminated by an emitter moving along an arbitrary trajectory. 3. Fast, parallel, three-dimensional rearrangement of atom arrays using superpositions of elementary holograms Source: physics.atom-ph (Atomic Physics) Link: https://arxiv.org/abs/2610.21609 Assembling defect-free arrays of neutral atoms requires real-time rearrangement of stochastically loaded optical tweezers. 4. Data-Driven Optimization of Seminumerical Exchange for SIMD CPUs Source: physics.chem-ph (Chemical Physics) Link: https://arxiv.org/abs/2610.21075 We present a seminumerical exchange algorithm (SNK) based on the sn-LinK method [Laqua et al., J. 5. Nonreciprocal Control of Spatiotemporal Floquet Dynamics in Levitated Optomechanical Arrays Source: physics.class-ph (Classical Physics) Link: https://arxiv.org/abs/2610.21399 Periodically driven photonic and optomechanical systems provide a versatile setting for realizing collective Floquet dynamics, yet the relation between temporal locking and continuous rotation of the finite-$q$ pattern remains poorly understood. 6. Physics-informed Kolmogorov-Arnold networks (PIKANs) for noise-robust reconstruction of boiling heat flux from infrared measurements Source: physics.comp-ph (Computational Physics) Link: https://arxiv.org/abs/2610.20613 Recovering a noise-amplified inverse quantity from corrupted boundary data is a recurring problem in physics-informed learning for real-world applications. 7. Ranked Right, Sized Wrong: Ensemble Spread Fails Silently at Streamflow Extremes Source: physics.geo-ph (Geophysics) Link: https://arxiv.org/abs/2610.20947 Deep learning models, particularly Long Short-Term Memory networks, are increasingly used for operational streamflow forecasting, with ensemble spread providing a signal of predictive uncertainty. 8. Angle-domain null subtraction imaging from beamformed plane-wave data Source: physics.med-ph (Medical Physics) Link: https://arxiv.org/abs/2608.18252 Null subtraction imaging (NSI) narrows the apparent lateral response by combining fields produced with a zero-mean apodization and two DC-offset variants. 9. Localized high-Q resonances enable electrically defined beam steering in lithium niobate metasurfaces Source: physics.optics (Optics) Link: https://arxiv.org/abs/2610.21027 High-speed beam steering for LiDAR and optical communication requires independent, reconfigurable control of optical phase. 10. Aluminum wide-range EOS sensitivity in Z-pinch dynamic-hohlraum liner-foam impact and outgoing radiation Source: physics.plasm-ph (Plasma Physics) Link: https://arxiv.org/abs/2610.21107 In a Z-pinch dynamic hohlraum, an aluminum liner collides with a central foam and converts kinetic energy into radiation, and the liner-foam response depends on the aluminum equation of state (EOS). 11. Missed Detections and False Alarms in a CNN Technosignature Detector on Breakthrough Listen Data Source: physics.pop-ph (Popular Physics) Link: https://arxiv.org/abs/2610.22050 Radio technosignature searches rely on machine learning detectors to shrink the candidate pool before a human looks at it. 12. Space Sustainability: The Global Commons Source: physics.soc-ph (Physics and Society) Link: https://arxiv.org/abs/2610.21517 Space is no longer a distant, barely reachable frontier of scientific exploration; it has become a critical infrastructure for life on Earth and a rapidly expanding zone of intense commercial activity. 13. 1/f frequency-noise reduction in nanomechanical resonators by dissipation dilution Source: physics.ins-det (Instrumentation and Detectors) Link: https://arxiv.org/abs/2610.16711 The frequency noise of a resonant nanomechanical sensor is well understood down to its thermomechanical limit, but the longest useful averaging time is set by a flicker, or $1/f$, frequency-noise floor whose origin has remained unknown. 14. Why does the wavefunction 'collapse' in relational approaches to quantum mechanics? Source: physics.hist-ph (History and Philosophy of Physics) Link: https://arxiv.org/abs/2604.12094 I argue that there is a straightforward way to understand the occurrence of wavefunction collapses or 'quantum events' in relational approaches to quantum mechanics: we necessarily encounter a discontinuity in our description when a system interacts with the reference relative to which we are describing it, since the reference system cannot be described relative to itself. 15. Anomaly detection for multijet scenarios Source: physics.data-an (Data Analysis, Statistics and Probability) Link: https://arxiv.org/abs/2609.00132 Signals of physics beyond the Standard Model continue to resist discovery at the LHC. 16. Earth as a Closed Life-Support System: Finite Buffers, Dynamical Thresholds, and Planetary Sustainability Source: physics.bio-ph (Biological Physics) Link: https://arxiv.org/abs/2608.21505 We formulate planetary sustainability as a minimal nonequilibrium problem for coupled finite stocks and fluxes, using the operational language of closed life-support systems: inventories, flux balances, recycling efficiencies, processing capacities, reserve times and failure thresholds. 17. Experimental observations of sub-threshold triadic resonances in internal wave beams Source: physics.flu-dyn (Fluid Dynamics) Link: https://arxiv.org/abs/2609.26689 This work examines sub-threshold triadic responses to a vortex-ring-induced perturbation of an internal gravity-wave field, using sparsity-promoting dynamic mode decomposition (spDMD) to diagnose wave structures from experimental observations. 18. Femtosecond Three-Dimensional Imaging of Single-Protein with Hard X-ray Laser Source: physics.acc-ph (Accelerator Physics) Link: https://arxiv.org/abs/2610.11892 The extremely intense pulses of X-ray free-electron lasers (XFELs) have enabled imaging of radiation-sensitive samples, such as macromolecular microcrystals, beyond radiation damage limits. 19. Entanglement-Capability-Aware Finite-Bond Circuit Cutting for Distributed Quantum Computing Source: quant-ph (Quantum Physics) Link: https://arxiv.org/abs/2610.14580 Distributed quantum computing distributes workloads that exceed a single processor's capacity across resource-constrained components. 20. How dust particles orbiting white dwarfs can reveal undetected co-orbiting exoplanets II. Exoplanets on elliptic orbits Source: physics.space-ph (Space Physics) Link: https://arxiv.org/abs/2610.04358 Abridged. 21. Optical and magnetic penetration depths under a modified electromagnetic coupling in charged bosonic condensates Source: physics.gen-ph (General Physics) Link: https://arxiv.org/abs/2605.20499 We establish the relation between optical condensate spectral weight and static magnetic screening in a proposed effective theory of charged bosonic condensates with an additional diamagnetic coupling. 22. Variable Masking for Climate Emulation in ACE Source: physics.ao-ph (Atmospheric and Oceanic Physics) Link: https://arxiv.org/abs/2610.21012 In the recent AI Model Intercomparison Project (AIMIP) benchmark, the ACE2.1-ERA5 emulator was shown to underestimate the true near-surface warming trend both during the training period and the out-of-sample extrapolation period. 23. Plasma-Enabled Wideband Matching of Electrically Small Antennas Source: physics.app-ph (Applied Physics) Link: https://arxiv.org/abs/2610.22095 This paper presents a plasma-based approach for wideband impedance matching of electrically small antennas (ESAs). 24. A QED Functional Formulation of Relativistic Many-Body Perturbation Theory in Atoms Source: physics.atom-ph (Atomic Physics) Link: https://arxiv.org/abs/2610.22216 We systematically derive relativistic many-body perturbation theory (RMBPT) from the two-particle irreducible effective action of quantum electrodynamics (QED) in the Furry picture, giving an organisational and diagrammatic framework for both correlation and radiative corrections in many-electron atoms. 25. Constrained Nuclear-Electronic Orbital Time-Dependent Density Functional Theory for Excited-State Dynamics with Nuclear Quantum Effects Source: physics.chem-ph (Chemical Physics) Link: https://arxiv.org/abs/2610.21120 Nuclear quantum effects can strongly influence excited-state processes involving light nuclei, yet their inclusion in practical molecular dynamics remains challenging. 26. A geometric rigidity estimate for codimension-1 immersions into spheres Source: physics.class-ph (Classical Physics) Link: https://arxiv.org/abs/2609.37665 We establish a quantitative stability estimate for codimension-one immersions into a round sphere. 27. Thermodynamically Consistent Machine Learning for Fracture Prediction in Heterogeneous Materials Source: physics.comp-ph (Computational Physics) Link: https://arxiv.org/abs/2610.20614 Understanding fracture behavior is critical for assessing the structural integrity and longevity. 28. Learning relaxation time distributions from spectral induced polarization data with a complex-valued variational autoencoder Source: physics.geo-ph (Geophysics) Link: https://arxiv.org/abs/2603.13973 Spectral induced polarization (SIP) is a geophysical method used to characterize subsurface materials. 29. PMB-NN: Physiological-Model-Based Neural Network for Glucose Forecasting in Type 1 Diabetes Source: physics.med-ph (Medical Physics) Link: https://arxiv.org/abs/2610.15456 Accurate, physiologically consistent glucose forecasts could help people with type 1 diabetes respond to impending excursions. 30. Monte Carlo Framework for Physics-Based Design and Optimization of X-Ray Compressive Ghost Imaging Systems Source: physics.optics (Optics) Link: https://arxiv.org/abs/2610.21334 X-ray ghost imaging has emerged as a promising computational imaging modality capable of forming images from spatially integrated measurements. 31. Quantitative validation of SMBI deposition profiles on EAST using experimentally constrained simulations Source: physics.plasm-ph (Plasma Physics) Link: https://arxiv.org/abs/2610.21546 Quantitative comparison between SMBI fueling simulations and experiments has long been hampered by the poor constraint on the effective source. 32. Mobility energetic balance frames spatial configuration of cities Source: physics.soc-ph (Physics and Society) Link: https://arxiv.org/abs/2610.21558 Urban spatial configurations emerge as the result of interactions between citizens' activities, movements and the landscape. Sources in this brief: physics.acc-ph (Accelerator Physics); physics.ao-ph (Atmospheric and Oceanic Physics); physics.app-ph (Applied Physics); physics.atom-ph (Atomic Physics); physics.bio-ph (Biological Physics); physics.chem-ph (Chemical Physics); physics.class-ph (Classical Physics); physics.comp-ph (Computational Physics); physics.data-an (Data Analysis, Statistics and Probability); physics.flu-dyn (Fluid Dynamics); physics.gen-ph (General Physics); physics.geo-ph (Geophysics); physics.hist-ph (History and Philosophy of Physics); physics.ins-det (Instrumentation and Detectors); physics.med-ph (Medical Physics); physics.optics (Optics); physics.plasm-ph (Plasma Physics); physics.pop-ph (Popular Physics); physics.soc-ph (Physics and Society); physics.space-ph (Space Physics); quant-ph (Quantum Physics). Selected 32 of 403 available items for this weekly brief.