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arxiv: quant-ph/0503132 · v1 · submitted 2005-03-15 · 🪐 quant-ph

Entanglement manipulation by a local magnetic pulse

classification 🪐 quant-ph
keywords entanglementlocalmagneticmanipulationpulsesystemtwo-qubitancillary
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A scheme for controlling the entanglement of a two-qubit system by a local magnetic pulse is proposed. We show that the entanglement of the two-qubit system can be increased by sacrificing the coherence in ancillary degree of freedom, which is induced by a local manipulation.

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