Results 211 to 220 of about 11,192 (252)

Valley-Dependent Emission Patterns Enabled by Plasmonic Nanoantennas. [PDF]

open access: yesACS Nano
Bucher T   +14 more
europepmc   +1 more source

Regular and chaotic dynamics of the dipole moment of square dipole arrays

Journal of Experimental and Theoretical Physics, 2014
Dipole lattices, which represent square dipole arrays, are investigated. Various types of equilibrium configurations of arrays are obtained, and conditions are shown under which these configurations are established. On the basis of parametric bifurcation diagrams, the main types of regular and chaotic oscillation regimes of the total dipole moment of a
A M Shutyi, Shutyi A M
exaly   +2 more sources

Impedance boundary conditions for regular dense arrays of dipole scatterers

IEEE Transactions on Antennas and Propagation, 2003
A simple analytical boundary condition to model the electromagnetic properties of planar arrays of dipole particles is developed for the normal plane-wave incidence. The impedance condition connects the averaged tangential electric and magnetic fields in the grid plane.
A J Viitanen, S A Tretyakov
exaly   +2 more sources

Plane waves in regular arrays of dipole scatterers and effective-medium modeling

Journal of the Optical Society of America A: Optics and Image Science, and Vision, 2000
A simple analytical theory for finding eigensolutions for plane electromagnetic waves propagating along an axis in infinite regular arrays of small dipole particles is presented. The spacing between dipoles in every plane is assumed to be smaller than the wavelength; separation between the planes is arbitrary. The influence of evanescent modes is taken
Sergei Tretyakov
exaly   +3 more sources

Analytical model for regular dense arrays of planar dipole scatterers — Abstract

Journal of Electromagnetic Waves and Applications, 2003
An analytical boundary condition for modeling the electromagnetic properties of planar regular dense arrays of dipole particles for oblique incidence of plane waves is developed.
Sergei Tretyakov, A J Viitanen
exaly   +2 more sources

Analyticity and dipole regularization

Il Nuovo Cimento A, 1970
It is demonstrated that the modified integration prescription given earlier for the elimination of unphysical asymptotic states in case of a theory with dipole regularization is equivalent to the Lee-Wick integration prescription for poles with complex mass if the dipole is considered as a limiting case of two merging poles, or more precisely, of two ...
H. P. Dürr, E. Seiler
openaire   +1 more source

Comparing Regularized and Non-Regularized Nonlinear Dipole Fit Methods: A Study in a Simulated Sulcus Structure

Brain Topography, 1999
The inverse problem arising from EEG and MEG is largely underdetermined. One strategy to alleviate this problem is the restriction to a limited number of point-like sources, the focal source model. Although the singular value decomposition of the spatio-temporal data gives an estimate of the minimal number of dipoles contributing to the measurement ...
Wolters, C.   +3 more
openaire   +3 more sources

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