dorsal/arxiv
View SchemaIntermolecular energy transfer in the presence of dispersing and absorbing media
| Authors | Ho Trung Dung, Ludwig Knöll, Dirk-Gunnar Welsch |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0107150 |
| URL | https://arxiv.org/abs/quant-ph/0107150 |
| DOI | 10.1103/PhysRevA.65.043813 |
| Journal | Phys. Rev. A 65, 043813 (2002) |
Abstract
By making use of the Green function concept of quantization of the electromagnetic field in Kramers--Kronig consistent media, a rigorous quantum mechanical derivation of the rate of intermolecular energy transfer in the presence of arbitrarily shaped, dispersing, and absorbing material bodies is given. Applications to bulk material, multi-slab planar structures, and microspheres are studied. It is shown that when the two molecules are near a planar interface, then surface-guided waves can strongly affect the energy transfer and essentially modify both the (F\"{o}rster) short-range $R^{-6}$ dependence of the transfer rate and the long-range $R^{-2}$ dependence, which are typically observed in free space. In particular, enhancement (inhibition) of energy transfer can be accompanied by inhibition (enhancement) of donor decay. Results for four- and five-layered planar structures are given and compared with experimental results. Finally, the energy transfer between two molecules located at diametrically opposite positions outside a microsphere is briefly discussed.
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"abstract": "By making use of the Green function concept of quantization of the\nelectromagnetic field in Kramers--Kronig consistent media, a rigorous quantum\nmechanical derivation of the rate of intermolecular energy transfer in the\npresence of arbitrarily shaped, dispersing, and absorbing material bodies is\ngiven. Applications to bulk material, multi-slab planar structures, and\nmicrospheres are studied. It is shown that when the two molecules are near a\nplanar interface, then surface-guided waves can strongly affect the energy\ntransfer and essentially modify both the (F\\\"{o}rster) short-range $R^{-6}$\ndependence of the transfer rate and the long-range $R^{-2}$ dependence, which\nare typically observed in free space. In particular, enhancement (inhibition)\nof energy transfer can be accompanied by inhibition (enhancement) of donor\ndecay. Results for four- and five-layered planar structures are given and\ncompared with experimental results. Finally, the energy transfer between two\nmolecules located at diametrically opposite positions outside a microsphere is\nbriefly discussed.",
"arxiv_id": "quant-ph/0107150",
"authors": [
"Ho Trung Dung",
"Ludwig Kn\u00f6ll",
"Dirk-Gunnar Welsch"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevA.65.043813",
"journal_ref": "Phys. Rev. A 65, 043813 (2002)",
"title": "Intermolecular energy transfer in the presence of dispersing and absorbing media",
"url": "https://arxiv.org/abs/quant-ph/0107150"
},
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