DOI: 10.1615/ICHMT.2007.ConfElectromagLigScat
ISBN Print: 978-1-56700-244-7
Coherence effects in systems of Dipolar Bi-Spheres
要約
We study the behavior of the Negative Polarization Branch (NPB), using a scattering system which consists of two dipolar scatterers separated by a fixed distance and freely floating in space. For such a system, a resonance spectrum is obtained if one plots the scattering cross-section as a function of the polarizability. The excited resonances correspond with specific oscillation modes of the electric (and magnetic) dipole moments and arise due to the interaction between the dipoles. We show that the NPB can be generated if the system is put into the right resonance mode, but can also be suppressed if placed in a so called longitudinal mode. The effect of a magnetic permeability different from one on the NPB will also be considered.