Results 121 to 130 of about 954,434 (243)

Relativistic quantum mechanics of charged vortex particles accelerated in a uniform electric field

Physical Review Research
The relativistic quantum-mechanical description of a charged Laguerre-Gauss beam accelerated in a uniform electric field has been fulfilled. Stationary wave eigenfunctions are rigorously derived.
Qi Meng, Ziqiang Huang, Xuan Liu, Wei Ma, Zhen Yang, Liang Lu, Alexander J. Silenko, Pengming Zhang, Liping Zou   +8 more
doaj   +1 more source

Study on Aerodynamic Optimization of II-Shaped Cable-Stayed Bridge with Vortex-Induced Vibration in Mountainous Areas

Zhongwai Gonglu
Given vortex-induced vibrations of bridges caused by high wind attack angles in mountainous canyons, this study investigated the vortex-induced dynamic characteristics of a Π-shaped steel-concrete composite beam cable-stayed bridge in a mountainous ...
ZENG Min, LIU Hanyun, MAO Na, CHEN Baixiang, HAN Yan, LI Chunguang   +5 more
doaj   +1 more source

Broadband Achromatic Metalens for Tunable Focused Vortex Beam Generation in the Near-Infrared Range. [PDF]

Nanomaterials (Basel), 2023
Zhao L, Jiang X, Wang Z, Chen Y, Chen L, Gao B, Yu W.   +6 more
europepmc   +1 more source

Inverse‐Designed Superchiral Hot Spot in Dielectric Meta‐Cavity Toward Ultra‐Compact Enantioselective Detection

Advanced Optical Materials, EarlyView.
Linearly polarized incident light with normal incidence creates enhanced optical chirality hotspots on the metasurface. Several orders of magnitude optical chirality enhancement offers a promising route toward highly sensitive, compact chiral spectroscopy.
Anastasia Romashkina, Omer Yesilurt, Vahagn Mkhitaryan, Owen Matthiessen, Min Jiang, Evgeny Lyubin, Bayarjargal N. Tugchin, Isabelle Staude, Jer‐Shing Huang, Thomas Pertsch, Alexander V. Kildishev   +10 more
wiley   +1 more source

Full-Space Wavefront Shaping of Broadband Vortex Beam with Switchable Terahertz Metasurface Based on Vanadium Dioxide. [PDF]

Nanomaterials (Basel), 2023
Li X, Zhang Y, Jiang J, Yao Y, He X.
europepmc   +1 more source

Sub‐Diffraction and Irreversibly Tunable Imaging With Potato Starch Lenses

Advanced Optical Materials, EarlyView.
Native potato starch granules function as sustainable birefringent microlenses that enable polarization‐controlled conventional and vortex lensing via spin‐to‐orbital angular momentum conversion. They provide sub‐diffraction and spiral‐contrast imaging, support vortex‐array generation with controllable topological‐charge sign, exhibit irreversible ...
Petr Bouchal, Jiří Liška, Petr Viewegh, Radim Chmelík, Tomáš Šikola, Zdeněk Bouchal   +5 more
wiley   +1 more source

Broadband optical vortex beam generation using flat-surface nanostructured gradient index vortex phase masks. [PDF]

Sci Rep, 2023
Nguyen HT, Kasztelanic R, Filipkowski A, Pysz D, Van Le H, Stepien R, Omatsu T, Krolikowski W, Buczynski R.   +8 more
europepmc   +1 more source

Micromachined Double‐Membrane Mechanically Tunable Metamaterial for Thermal Infrared Filtering

Advanced Photonics Research, Volume 6, Issue 5, May 2025.
Herein, a mechanically tunable double‐layer plasmonic metamaterial leveraging the extraordinary optical transmission effect observed in subwavelength arrays of openings within thin metal layers is presented. The concept is experimentally validated by integrating the proposed metamaterial structure into an electrostatic parallel‐plate actuator to create
Oleg Bannik, Fedor Kovalev, Mingkai Liu, Michal Zawierta, Dilusha Silva, Lorenzo Faraone, Mariusz Martyniuk, Ilya Shadrivov   +7 more
wiley   +1 more source

Wake-Vortex Topology, Circulation, and Turbulent Exchange Processes [PDF]

, 2012
Large eddy simulations () of aircraft wake vortex evolution in various turbulent and stably stratified atmospheric environments have been conducted with two different LES codes.
Hennemann, Ingo, Misaka, Takashi, Holzäpfel, Frank   +2 more
core  

Dynamics of vortex shedding from slender cones [PDF]

, 2009
PhDThe dynamics of vortex shedding from bluff bodies has been investigated experimentally for many decades, with the simple geometric case for the investigation being a uniform circular cylinder aligned with its axis normal to the flow. Even though
Jagadeesh, Chetan Sakaleshpur
core   +1 more source