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Effect of long-range spatial correlations on the lifetime statistics of an emitter in a two-dimensional disordered lattice

AuthorsSousa, N. de; Sáenz, J. J.; García-Martín, Antonio ; Froufe-Pérez, Luis S. ; Marqués, Manuel I.
Issue Date2014
PublisherAmerican Physical Society
CitationPhysical Review A - Atomic, Molecular, and Optical Physics 89: 063830 (2014)
AbstractThe effect of spatial correlations on the Purcell effect in a bidimensional dispersion of resonant nanoparticles is analyzed. We perform extensive calculations on the fluorescence decay rate of a point emitter embedded in a system of nanoparticles statistically distributed according to a simple two-dimensional lattice-gas model near the critical point. For short-range correlations (high temperature thermalization) the Purcell factors present a long-tailed statistic which evolves towards a bimodal distribution when approaching the critical point where the spatial correlation length diverges. Our results suggest long-range correlations as a possible origin of the large fluctuations of experimental decay rates in disordered metal films. © 2014 American Physical Society.
Description5 pags. ; 5 figs. ; PACS number(s): 42.25.Dd, 78.67.Bf, 78.55.Qr, 78.66.Bz
Identifiersissn: 1094-1622
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