Results 111 to 120 of about 775,797 (335)
隐身技术,原本是科幻的产物,但雷达等电磁波的隐身技术,已经在现实中得到了广泛的应用。随着超材料的发现,量子技术和纳米技术以及计算机模拟设计技术的进展,隐身技术获得了快速的发展,可见光的隐身技术也渐渐地“浮出水面”,“隐身斗篷”正在从科幻走向现实。本文从超材料特别是左手材料的理论研究情况入手,全面综述了当前量子隐身材料的发展情况及其发展前景。 Stealth technology is originally the product of science fiction, but the electromagnetic radar stealth technology has been widely applied in reality.
openaire +1 more source
The NNR‐n series of oligomeric nanographenes delivers exceptional emission performance. This work shows that this performance is originated by their ladder‐type structure, which effectively deactivates low‐frequency vibronic modes. This deactivation neglects the main pathway for non‐emissive deactivation, even in the near‐infrared region. The potential
Marcos Díaz‐Fernández +12 more
wiley +1 more source
Quantum Technologies for the Metaverse: Opportunities and Challenges [PDF]
Mahdi Chehimi, Walid Saad
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Low‐Symmetry Weyl Semimetals: A Path to Ideal Topological States
This study presents a theoretical framework for realizing ideal Weyl semimetals, where Weyl nodes are well‐isolated at the Fermi level. The approach is exemplified in the low‐symmetry material Cu2SnSe3, which exhibits tunable topological phases, current‐induced orbital magnetization, and a strong circular photogalvanic effect, making it a promising ...
Darius‐Alexandru Deaconu +3 more
wiley +1 more source
Securing NextG networks with physical-layer key generation: A survey
As the development of next-generation (NextG) communication networks continues, tremendous devices are accessing the network and the amount of information is exploding.
Xiao Qingjiang +4 more
doaj +1 more source
The study presents biodegradable and recyclable mixed‐matrix membranes (MMMs), hydrogels, and cryogels using luminescent nanoscale metal‐organic frameworks (nMOFs) and biopolymers. These bio‐nMOF‐MMMs combine europium‐based nMOFs as probes for the status of the materials with the biopolymers agar and gelatine and present alternatives to conventional ...
Moritz Maxeiner +4 more
wiley +1 more source
This study investigates H4TBAPy‐based metal–organic frameworks (MOFs) ‐ NU‐1000, NU‐901, SrTBAPy, and BaTBAPy ‐ for multiphoton absorption (MPA) performance. It observes topology‐dependent variations in the 2PA cross‐section, with BaTBAPy exhibiting the highest activity.
Simon N. Deger +10 more
wiley +1 more source
Nanomechanical resonators with high quality factors ( Q _m ) enable mechanics-based quantum technologies, in particular quantum sensing and quantum transduction.
Anastasiia Ciers +8 more
doaj +1 more source
Demonstration of an All‐Optical AND Gate Mediated by Photochromic Molecules
A logic AND gate that runs on photons is demonstrated. It relies on two spatially separated photochromic molecules that work in tandem. Abstract The realization of a photonic logic AND gate, i.e. a logic AND gate that runs on photons rather than electrons, and where all steps are controlled by light, is demonstrated. In a proof‐of‐principle experiment,
Heyou Zhang +7 more
wiley +1 more source
Single-mode Distributed Feedback Lasers for 87Rb Two-Photon Quantum Technology Systems
Eugenio Di Gaetano +5 more
openalex +1 more source

