Local control of remote entanglement

Details Local control of remote entanglement Local control of remote entanglement

2006-11-24

arxiv.org/abs/quant-ph/0611252v1

Physics

Quantum Physics

Scientific paper

We address the problem of the generation of entanglement. We focus on the control of entanglement shared by two non-interacting parties $A$ and $C$ via interaction with a third party $B$. We show that, for certain physical models, it is possible to have an asymptotically complete control of the entanglement shared by $A$ and $C$ by changing parameters of the Hamiltonian local at site $B$. We present an example where different models (propositions) of physical situation, that lead to different descriptions of the system $B$, result into different amount entanglement produced. In the end we discuss limits of the procedure.

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