dorsal/arxiv
View SchemaResonant Energy Exchange between Atoms in Dispersing and Absorbing Surroundings
| Authors | Ho Trung Dung, Ludwig Knöll, Dirk-Gunnar Welsch |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0207023 |
| URL | https://arxiv.org/abs/quant-ph/0207023 |
| DOI | 10.1134/1.1586732 |
| Journal | Optics and Spectroscopy 94, 829 (2003) |
Abstract
Within the framework of quantization of the macroscopic electromagnetic field, a master equation describing both the resonant dipole-dipole interaction (RDDI) and the resonant atom-field interaction (RAFI) in the presence of dispersing and absorbing macroscopic bodies is derived, with the relevant couplings being expressed in terms of the surroundings-assisted Green tensor. It is shown that under certain conditions the RDDI can be regarded as being governed by an effective Hamiltonian. The theory, which applies to both weak and strong atom-field coupling, is used to study the resonant energy exchange between two (two-level) atoms sharing initially a single excitation. In particular, it is shown that in the regime of weak atom-field coupling there is a time window, where the energy transfer follows a transfer-rate law of the type obtained by ordinary second-order perturbation theory. Finally, the spectrum of the light emitted during the energy transfer is studied and the line splittings are discussed.
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"abstract": "Within the framework of quantization of the macroscopic electromagnetic\nfield, a master equation describing both the resonant dipole-dipole interaction\n(RDDI) and the resonant atom-field interaction (RAFI) in the presence of\ndispersing and absorbing macroscopic bodies is derived, with the relevant\ncouplings being expressed in terms of the surroundings-assisted Green tensor.\nIt is shown that under certain conditions the RDDI can be regarded as being\ngoverned by an effective Hamiltonian. The theory, which applies to both weak\nand strong atom-field coupling, is used to study the resonant energy exchange\nbetween two (two-level) atoms sharing initially a single excitation. In\nparticular, it is shown that in the regime of weak atom-field coupling there is\na time window, where the energy transfer follows a transfer-rate law of the\ntype obtained by ordinary second-order perturbation theory. Finally, the\nspectrum of the light emitted during the energy transfer is studied and the\nline splittings are discussed.",
"arxiv_id": "quant-ph/0207023",
"authors": [
"Ho Trung Dung",
"Ludwig Kn\u00f6ll",
"Dirk-Gunnar Welsch"
],
"categories": [
"quant-ph"
],
"doi": "10.1134/1.1586732",
"journal_ref": "Optics and Spectroscopy 94, 829 (2003)",
"title": "Resonant Energy Exchange between Atoms in Dispersing and Absorbing Surroundings",
"url": "https://arxiv.org/abs/quant-ph/0207023"
},
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