Entanglement concentration for unknown atomic entangled states via entanglement swapping
Ming Yang, Yan Zhao, Wei Song, Zhuo-Liang Cao
Abstract
An entanglement concentration scheme for unknown atomic entanglement states is proposed via entanglement swapping in cavity QED. Because the interaction used here is a large-detuned one between two driven atoms and a quantized cavity mode, the effects of the cavity decay and thermal field have been eliminated. These advantages can warrant the experimental feasibility of the current scheme.
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