Physics – Condensed Matter – Disordered Systems and Neural Networks
Scientific paper
2003-02-28
Phys. Rev. E 68, 066609 (2003)
Physics
Condensed Matter
Disordered Systems and Neural Networks
8 page and 10 figures
Scientific paper
10.1103/PhysRevE.68.066609
We study the propagation and scattering of electromagnetic waves by random arrays of dipolar cylinders in a uniform medium. A set of self-consistent equations, incorporating all orders of multiple scattering of the electromagnetic waves, is derived from first principles and then solved numerically for electromagnetic fields. For certain ranges of frequencies, spatially localized electromagnetic waves appear in such a simple but realistic disordered system. Dependence of localization on the frequency, radiation damping, and filling factor is shown. The spatial behavior of the total, coherent and diffusive waves is explored in detailed, and found to be comply with a physical intuitive picture. A phase diagram characterizing localization is presented, in agreement with previous investigations on other systems.
Wang Ken
Ye Zhen
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