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EnglishA master equation approach to the study of environmental effects in the adiabatic population transfer in three-state systems is presented. A systematic comparison with the non-Hermitian Hamiltonian approach shows that, in the weak-coupling limit, the two treatments lead to essentially the same results. In contrast, in the strong-damping limit the predictions are quite different: In particular, the counterintuitive sequences in the STIRAP scheme turn out to be much more efficient than expected before. This point is explained in terms of quantum Zeno dynamics.
| Data di pubblicazione: | 2010 |
| Titolo: | Stimulated Raman adiabatic passage in an open quantum system: Master equation approach |
| Autori: | |
| Citazione: | Scala, M., Militello, B., Messina, A., & Vitanov, N. (2010). Stimulated Raman adiabatic passage in an open quantum system: Master equation approach. PHYSICAL REVIEW A, 81(5). |
| Rivista: | |
| Digital Object Identifier (DOI): | 10.1103/PhysRevA.81.053847 |
| Abstract: | A master equation approach to the study of environmental effects in the adiabatic population transfer in three-state systems is presented. A systematic comparison with the non-Hermitian Hamiltonian approach shows that, in the weak-coupling limit, the two treatments lead to essentially the same results. In contrast, in the strong-damping limit the predictions are quite different: In particular, the counterintuitive sequences in the STIRAP scheme turn out to be much more efficient than expected before. This point is explained in terms of quantum Zeno dynamics. |
| URL: | http://oai.aps.org/oai?verb=GetRecord&Identifier=oai:aps.org:PhysRevA.81.053847&metadataPrefix=oai_apsmeta_2 |
| Settore Scientifico Disciplinare: | Settore FIS/03 - Fisica Della Materia |
| Appare nelle tipologie: | 1.01 Articolo in rivista |
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|---|---|---|---|---|
| 2010 PRA 81_053847.pdf | Versione Editoriale | Administrator Richiedi una copia |
http://hdl.handle.net/10447/392041
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