Results 31 to 40 of about 7,038 (208)
Collective Electrodynamics I [PDF]
Standard results of electromagnetic theory are derived from the direct interaction of macroscopic quantum systems; the only assumptions used are the Einstein–deBroglie relations, the discrete nature of charge, the Green’s function for the vector potential, and the continuity of the wave function.
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Strong Coupling in Bulk Nanoplasmonic Nanoplatelet Perovskite Scintillators
A bulk scintillating nanocomposite is engineered from CsPbBr3 nanoplatelets and Ag nanocubes to support exciton–plasmon strong coupling under X‐ray excitation. The resulting hybrid polaritonic states appear directly in radioluminescence, opening a route toward polariton‐enabled scintillator design beyond conventional Purcell enhancement.
Michal Makowski +13 more
wiley +1 more source
Lorentz's statement is known that "... Heaviside and Hertz gave a clear and concentrated form to Maxwell's equations." At present, after Heaviside and Hertz, the applicability of Maxwell's equations to all phenomena of electrodynamics and electrical devices is indisputable.
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Integrated fiber optical receiver reducing the gap to the quantum limit
Experimental results of a single-photon avalanche diode (SPAD) based optical fiber receiver integrated in 0.35 µm PIN-photodiode CMOS technology are presented. To cope with the parasitic effects of SPADs an array of four receivers is implemented.
Horst Zimmermann +3 more
doaj +1 more source
Solar cycle variations in equatorial ionospheric zonal electric fields near sunrise
In this study, we investigate the solar cycle dependence of the sunrise ionospheric zonal electric fields at the equator under geomagnetically quiet conditions.
JunJie Chen +3 more
doaj +1 more source
Topological insulator–metamaterials integrated with electrically driven terahertz quantum cascade lasers enable parity‐dependent harmonic generation. Bulk‐dominated Bi2Se3 favors third‐harmonic emission at 9.96 THz, whereas topological‐surface‐state‐dominated Bi2Se3, Bi2Te3, and (Bi,Sb)2Te3 generate strong second harmonics near 6.5 THz.
Alessandra Di Gaspare +9 more
wiley +1 more source
Chirality in Optical Trapping and Optical Binding
Optical trapping is a well-established technique that is increasingly used on biological substances and nanostructures. Chirality, the property of objects that differ from their mirror image, is also of significance in such fields, and a subject of much ...
David S. Bradshaw +3 more
doaj +1 more source
Electrodynamics of Axial-Flow Rotary Blood Pumps
In this work, electric machine of implantable rotary blood pumps (RBPs) of axial-flow type was theoretically investigated. Electromagnetic coupling of rotor and stator in axial-flow RBPs was described with the Maxwell’s equations of the classical ...
Igor V. Nesterenko +8 more
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Thermoplastic attachment is introduced as a scalable surface coating strategy to improve the durability and dielectric reliability of flexible electrodynamic dust shields. By embedding chemically modified reduced graphene oxide (CMrGO) electrodes within thermoplastic laminates, mechanical degradation, abrasion damage, and vacuum‐induced electrical ...
Ide E. Onal +6 more
wiley +1 more source
This paper briefly discusses the salient features of quasi-steady electrodynamics; that is to say it considers certain general properties of Maxwell's equations and their solutions when these equations are subjected to the constraint where ω is a constant angular frequency, ⊘ and t are the azimuthal angle and time, and the operators are applied only ...
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