Theory of enhanced energy tranfer in an aerosol particle

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Abstract
The enhanced tranfer of energy between donor and acceptor molecules in a micrometer size aerosol particle due to the presence of sharp morphology dependent resonances is discussed quantum mechanically. By making use of density of states and quasimode concepts, it is shown that the enhancement factor depends only on the quality factor Q of the resonances, but not on the mode functions, therefore yielding results valid for any microparticle geometry (for which the mode functions are, in general, unknown). Emphasis is also placed on the absorption dominated limit (easily reached in practice), in which the result is particularly simple.