Protecting entangled states of two ions by engineering reservoir

Details Protecting entangled states of two ions by engineering reservoir Protecting entangled states of two ions by engineering reservoir

2011-08-10

arxiv.org/abs/1108.2186v1

J. Phys. B: At. Mol. Opt. Phys. 44 (2011) 175503

Physics

Quantum Physics

Scientific paper

We present a proposal for realizing local decoherence-free evolution of given entangled states of two two-level (TL) ions. For two TL ions coupled to a single heavily damped cavity, we can use engineering reservoir scheme to obtain a decoherence-free subspace which can be nonadiabatically controlled by the system and reservoir parameters. Then the local decoherence-free evolution of the entangled states are achieved. And we also discuss the relation between the geometric phases and the entanglement of the two ions under the nonadiabatic coherent evolution.

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