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Year I · No. 19
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Monday, 8 Jun 2026

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· Quantum Physics · 08 · 06 · 2026

Optical Vortex Transfer in a Three-Level Quantum System

Scientists have demonstrated the transfer of optical vortices between different energy transitions in a three-level quantum system based on erbium ions (Er³⁺) doped in a yttrium aluminum garnet (YAG) crystal. This breakthrough enables the manipulation of light topology in the quantum optics regime, opening new avenues for quantum information control and the development of advanced photonic devices.

§ Today’s briefing

5 dispatches · 08 · 06 · 2026
· Applied Physics

New Dataset for Human Movement Study

Researchers have introduced a new multimodal dataset combining information from laboratory systems and wearable devices for the study of full-body kinematics and kinetics in humans… more →

NatureCol. 5

Investigation of Vorticity and Secondary Flow Strength Near a Protected Bridge Pier in a Sharp Bend

A recent study has investigated the fluid dynamics around a protected bridge pier located in a sharp channel bend. The research focused on vorticity and secondary flow strength, phenomena crucial for understanding erosion and the stability of hydraulic structures. This work is relevant to civil engineering and hydrodynamics, as it addresses the complexity of flows in curvilinear environments and their interaction with obstacles.

The researchers employed a combination of experimental measurements and numerical simulations to characterize the flow field. Special attention was paid to the distribution of vorticity, a measure of the local fluid rotation, and the intensity of secondary flows, which are cross-currents to the main flow. These parameters are decisive in the formation of eddies and scour around piers.

A recent study has investigated the fluid dynamics around a protected bridge pier located in a sharp channel bend.
§ Technical sheet
Source
Nature
Category
Applied Physics
Edition
19
Date
2026-06-08
Reading
1 min
Origin
Source ↗

§ arXiv briefing

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