Tuesday, November 13, 2012

1211.2380 (Yu-Xia Xie et al.)

Improving teleportation fidelity in structured reservoirs    [PDF]

Yu-Xia Xie, Xiao-Qiang Xi
Seeking flexible methods to control quantum teleportation in open systems is an important task of quantum communication. In this paper, we study how the super-Ohmic, Ohmic and sub-Ohmic reservoirs affect teleportation of a general one-qubit state. The results revealed that the structures of the reservoirs play a decisive role on quality of teleportation. Particularly, the fidelity of teleportation may be improved by the strong backaction of the non-Markovian memory effects of the reservoir. The physical mechanism responsible for this improvement are determined.
View original: http://arxiv.org/abs/1211.2380

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