Simulation study of localization of electromagnetic waves in two-dimensional random dipolar systems

Ken Kang Hsin Wang; Zhen Ye

doi:10.1103/PhysRevE.68.066609

Simulation study of localization of electromagnetic waves in two-dimensional random dipolar systems

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Abstract

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 detail, and found to comply with a physical intuitive picture. A phase diagram characterizing localization is presented, in agreement with previous investigations on other systems.

Original language	English (US)
Journal	Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Volume	68
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevE.68.066609
State	Published - 2003
Externally published	Yes

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Statistics and Probability
Condensed Matter Physics

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