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EnglishOptimizing excitation transport in quantum networks is an important precur-sor to the development of highly-efficient light-harvesting devices. We investigate thephenomenon of dephasing-assisted leakage from trapped states, which may ensure effi-cient transport of excitations across a network. We consider three small networks withknown trapped states and study the effect of Markovian quantum noise and classicalnoise sources with different correlation times, from very low frequency non-Markoviannoise to white noise. We show that the excitation - otherwise stalled in trapped states -is able to diffuse rapidly through the networks from a source to a sink, with efficiencybeing generally maximized for intermediate correlation times.
| Titolo: | Noise-induced detrapping in small quantum networks |
| Autori interni: | |
| Data di pubblicazione: | 2015 |
| Rivista: | |
| Handle: | http://hdl.handle.net/20.500.11769/18673 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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http://hdl.handle.net/20.500.11769/18673
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