نتایج جستجو برای: surface plasmons
تعداد نتایج: 636521 فیلتر نتایج به سال:
Plasmons are fundamental collective excitations in many particle charged systems like in free electron liquid in metals, high energy nuclear plasma in solar core or in fusion devices, in ion gas in ionosphere or in intra- and inter-galactic gas clouds. Plasmons play a central role also in small systems, in particular in metallic nanoparticles and in their arrays allowing for subdiffraction ligh...
The interaction of light with matter has triggered the interest of scientists for long time. The area of plasmonics emerges in this context through the interaction of light with valence electrons in metals. The random phase approximation in the long wavelength limit is used for analytical investigation of plasmons in three-dimensional metals, in a two-dimensional electron gas and finally in the...
Controllable propagation of electromagnetic energy in plasmonic nanowaveguides is of great importance for building nanophotonic circuits. Here, we studied the routing of surface plasmons in silver nanowire structures by combining experiments and electromagnetic simulations. The superposition of different plasmon modes results in the tunable near field patterns of surface plasmons on the nanowir...
A canonical quantization scheme for localized surface plasmons (LSPs) in a metal nanosphere is presented based on microscopic model composed of electromagnetic fields, oscillators that describe plasmons, and reservoir describes excitations other than plasmons. The eigenmodes this fully quantum electrodynamic theory show spectrum includes radiative depolarization broadening, including redshiftin...
P. A. Huidobro,1,* A. Y. Nikitin,2,3 C. González-Ballestero,1 L. Martı́n-Moreno,2 and F. J. Garcı́a-Vidal1 1Departamento de Fı́sica Teórica de la Materia Condensada, Universidad Autónoma de Madrid, E-28049 Madrid, Spain 2Instituto de Ciencia de Materiales de Aragón and Departamento de Fı́sica de la Materia Condensada, CSIC–Universidad de Zaragoza, E-50009 Zaragoza, Spain 3A. Ya. Usikov Institute fo...
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