Electrodynamic boundary conditions for planar arrays of thin magnetic elements
Abstract
Approximate electrodynamic boundary conditions are derived for an array of dipolarly coupled magnetic elements. It is assumed that the elements' thickness is small compared to the wavelength of an electromagnetic wave in a free space. The boundary conditions relate electric and magnetic fields existing at the top and bottom sides of the array through the averaged uniform dynamic magnetization of the array. This dynamic magnetization is determined by the collective dynamic eigen-excitations (spin wave modes) of the array and is found using the external magnetic susceptibility tensor. The problem of oblique scattering of a plane electromagnetic wave on the array is considered to illustrate the use of the derived boundary conditions.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Aug 24, 2015
- Source ID
- 10.1063/1.4929154
Entities
People
- Andrei Slavin
- Ivan V Lisenkov
- Sergei Nikitov
- Vasil Tiberkevich
Organizations
- Defense Advanced Research Projects Agency
- Moscow Institute of Physics and Technology
- National Science Foundation
- Oakland University
- Saratov State University
- United States Army Research, Development and Engineering Command