Journal
OPTICS COMMUNICATIONS
Volume 283, Issue 7, Pages 1558-1560Publisher
ELSEVIER
DOI: 10.1016/j.optcom.2009.11.076
Keywords
Cavity QED; Genuine four-qubit entangled states; Orthonormal basis states
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We propose a scheme to generate a type of genuine four-qubit entangled states, which were firstly introduced by Yeo et al. [Y. Yeo, W. K. Chua, Phys. Rev. Lett. 96 (2006) 060502]. These states have many interesting entanglement properties and possess possible applications in quantum information processing and in fundamental tests of quantum physics. We show that such a type of 16 orthonormal basis states can be deterministically distinguished by a cavity QED system. (C) 2009 Elsevier B.V. All rights reserved.
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