Robust entanglement generation by reservoir engineering

Details Robust entanglement generation by reservoir engineering Robust entanglement generation by reservoir engineering

2012-03-21

arxiv.org/abs/1203.4785v1

Physics

Quantum Physics

Submitted to Journal of Physics B, special issue on "Quantum Memory"

Scientific paper

Following a recent proposal [C. Muschik et. al., Phys. Rev. A 83, 052312 (2011)], engineered dissipative processes have been used for the generation of stable entanglement between two macroscopic atomic ensembles at room temperature [H. Krauter et. al., Phys. Rev. Lett. 107, 080503 (2011)]. This experiment included the preparation of entangled states which are continuously available during a time interval of one hour. Here, we present additional material, further-reaching data and an extension of the theory developed in [C. Muschik et. al., Phys. Rev. A 83, 052312 (2011)]. In particular, we show how the combination of the entangling dissipative mechanism with measurements can give rise to a substantial improvement of the generated entanglement in the presence of noise.

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