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By making use of the Green function concept of quantization of theelectromagnetic field in Kramers--Kronig consistent media, a rigorous quantummechanical derivation of the rate of intermolecular energy transfer in thepresence of arbitrarily shaped, dispersing, and absorbing material bodies isgiven. Applications to bulk material, multi-slab planar structures, andmicrospheres are studied. It is shown that when the two molecules are near aplanar interface, then surface-guided waves can strongly affect the energytransfer and essentially modify both the (F\"{o}rster) short-range $R^{-6}$dependence of the transfer rate and the long-range $R^{-2}$ dependence, whichare typically observed in free space. In particular, enhancement (inhibition)of energy transfer can be accompanied by inhibition (enhancement) of donordecay. Results for four- and five-layered planar structures are given andcompared with experimental results. Finally, the energy transfer between twomolecules located at diametrically opposite positions outside a microsphere isbriefly discussed.Comment: 13 pages, 7 figures, RevTe

Intermolecular energy transfer in the presence of dispersing and absorbing media