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Title: Remote preparation of arbitrary two- and three-qubit states
Authors: Liu, J.-M. 
Feng, X.-L. 
Oh, C.H. 
Issue Date: 1-Aug-2009
Citation: Liu, J.-M., Feng, X.-L., Oh, C.H. (2009-08-01). Remote preparation of arbitrary two- and three-qubit states. EPL 87 (3) : -. ScholarBank@NUS Repository.
Abstract: We present a scheme for remotely preparing an arbitrary two-qubit pure state by using two bipartite partially entangled states as the quantum channel, the scheme is then generalized to the arbitrary three-qubit case. For the two cases of remote state preparation, we construct two different efficient projective measurement bases at sender's side and calculate the corresponding success probabilities. It is shown that remote preparation of the two-qubit or three-qubit state can be probabilistically achieved with unity fidelity. Moreover, for some special ensembles of the initial states, we find that the success probability of preparation can be increased to four times for two-qubit states and eight times for three-qubit states, and is equal to one in the case of the maximal entanglement resources. © 2009 Europhysics Letters Association.
Source Title: EPL
ISSN: 02955075
DOI: 10.1209/0295-5075/87/30006
Appears in Collections:Staff Publications

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