Avoiding dark states in open quantum systems by tailored initial correlations

Details Avoiding dark states in open quantum systems by tailored initial correlations Avoiding dark states in open quantum systems by tailored initial correlations

2012-04-04

arxiv.org/abs/1204.0954v1

Physics

Quantum Physics

5 pages, 3 figures

Scientific paper

We study the transport of excitations on a V-shaped network of three coupled two-level systems that are subjected to an environment that induces incoherent hopping between the nodes. Two of the nodes are coupled to a source while the third node is coupled to a drain. A common feature of these networks is the existence of a dark-state that blocks the transport to the drain. Here we propose a means to avoid this state by a suitable choice of initial correlations, induced by a source that is common to both coupled nodes.

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