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paper

Entanglement manipulation by a local magnetic pulse

arXiv:quant-ph/0503132 · doi:10.1016/j.physleta.2006.09.014

Abstract

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.

4 pages, 2 figures