Abstract：
:Relying on an exact time evolution scheme, we identify a novel transient energy transfer phenomenon in an exactly-solvable quantum microscopic model consisting of a three-level system coupled to two non-Markovian zero-temperature bosonic baths through two separable quantum channels. The dynamics of this model can be solved exactly using the quantum-state-diffusion equation formalism, demonstrating finite intervals of unidirectional energy flow across the system, typically, from the non-Markovian environment towards the more Markovian bath. Furthermore, when introducing a spatial asymmetry into the system, an analogue of the rectification effect is realized. In the long time limit, the dynamics arrives at a stationary state and the effects recede. Understanding temporal characteristics of directional energy flow will aid in designing microscopic energy transfer devices.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Jing J,Segal D,Li B,Wu LAdoi
10.1038/srep15332subject
Has Abstractpub_date
2015-10-19 00:00:00pages
15332issn
2045-2322pii
srep15332journal_volume
5pub_type
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