🔬 physics

Fast Nondestructive Readout for High-Clock-Rate Atom Array Quantum Processor

This paper introduces a fast, nondestructive readout architecture utilizing real-time, site-resolved adaptive protection and continuous photon counting to reduce qubit measurement latency to 15 μs, enabling a 1.7 kHz clock rate and over 120 consecutive circuit rounds in a 100-qubit neutral-atom array, thereby overcoming the primary bottleneck to fault-tolerant quantum computation.

Chao-Yang Lu, Xu-Zhao-Qiu Zeng, Chang You, Qing-Wei Wang, Zifeng Li, Yi Ji, Dong An, Chao Yu, Jia-Rui Liu, Zi-Mo He, Jia (…)2026-08-04
🔬 physics

Passivation in Tunnel Oxide of Doped Polysilicon Structures Degraded by Spin-Dry Induced Charges and A Strategy to Reverse the Degradation

This study reveals that electrostatic charges generated during the spin-dry process significantly degrade the passivation quality of doped polysilicon tunnel oxide structures in silicon solar cells, but this damage can be effectively reversed by implementing an enhanced spin-dry protocol involving brief deionized-water immersion to neutralize the accumulated charges.

Vibhor Kumar, Munan Gao, Ngwe Zin2026-08-04
🔬 physics

Imaging nanoscale photocarrier traps in solar water-splitting catalysts

This study introduces photomodulated electron energy-loss spectroscopy (EELS) in an optically coupled scanning transmission electron microscope to directly image angstrom-scale photocarrier localization at oxygen-vacancy surface traps in rhodium-doped strontium titanate nanoparticles, thereby elucidating defect-induced mechanisms that hinder solar water-splitting efficiency.

Scott Cushing, Levi Palmer, Wonseok Lee, Pushp Prasad, Bradley Layne, Han–Hsuan Wu, Zejie Chen, Jianguo Wen, Yuzi Liu, X (…)2026-08-03
🔬 physics

Modeling and Simulation of Magnetized Casson–Micropolar Hybrid Nanofluid Due to Curved Surface with Viscous Dissipation and Thermal Slip Effects

This study numerically investigates the magnetized flow of a silver-titanium oxide hybrid nanofluid over a curved elastic surface, revealing that magnetic fields reduce velocity while viscous dissipation and thermal slip significantly enhance heat transfer, with the hybrid system outperforming mono-nanofluids.

Iskander Tlili, S. Anitha, K Nagegowda, U. S. Mahabaleshwar, Ravikumar Jayabal, K Logesh2026-08-03
🔬 physics

Experimental Observation of the Operational Quantum1Speed Limit

This paper experimentally demonstrates the operational quantum speed limit (OQSL) on a photonic system, revealing that mixed states can evolve faster than pure states and that increasing impurity can accelerate quantum evolution, thereby overcoming the limitations of traditional lower-bound QSL tools to uncover true physical behaviors.

Ben Wang, Qianyi Wang, Huai-Ming Yu, Jun Wang, Liang Xu, Jing Liu, Lijian Zhang2026-08-03
🔬 physics

A New General Form of Weight-Function for One-Dimensional Edge Cracks: Application to Mode I Stress Intensity Factor Evaluation of a Radial Edge Crack in a Solid Circular Disk

This study proposes a new general form of the one-dimensional weight function for edge cracks, which is successfully applied to derive a highly accurate Mode I weight function for radial edge cracks in a solid circular disk, enabling efficient and precise stress intensity factor evaluations under arbitrary tensile loading conditions.

Mohammad Mokarrami, Javad Alizadeh Kaklar2026-08-03